Cut Electric Bill in Half | Central Air Conditioner Cool n Save | Missouri Wind and Solar
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I show you how to cut your cooling costs down using water mist
Here's the link to my Window Air Conditioner video • DIY How to Cut Electri...
Evaporative cooling is great. It's how our bodies keep cool when it's hot. We sweat. The sweat evaporates and that phase change carries heat away from our bodies because it takes heat to turn liquid water into water vapor.
When you spray a mist of liquid water into the air, the tiny droplets of liquid can evaporate into individual water vapor molecules. Again, it takes heat to do that, and in this case the heat comes from the air. The result is cooler air. If you live in a dry climate, you may even use this principle to cool the air in your home with a device called a swamp cooler.
Now, let's take that principle and apply it to your air conditioner. I've explained how air conditioners work in a previous article, collecting heat from inside the house and dumping it to the air outside the house. Because the outdoor air is hot, the compressor has to make the refrigerant that carries that heat even hotter than the outdoor air because heat always flows from hot to cold, or in this case, hotter to hot.
If you can evaporate water into the air right before it gets pulled into the condensing unit, you can decrease the temperature of the air and thus increase the capacity and efficiency of your air conditioner. Then, instead of dumping that heat from hotter to hot, you're dumping it from hotter to not-quite-as-hot, and that's easier to do.
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Lots of Pros commenting but here’s my amateur experience... I lived in a rental house that had the AC Unit in direct sun light all day long. I bough a misting system from Home Depot and wrapped the AC unit and used it on 95+ degree days. With a infrared thermometer I read 60+ degree air coming out of my vents before misting, after misting I was seeing a steady 50 or less degrees. Metering the power I also notice about 8 less amps being drawn during the same parts of the day. This also reflected on my
PG&E bill! I did have a calcium filter in line and I cleaned the coils with Web Coil cleaner once a month and never had any issues. Water usage what negligible.
Real testing and real results. I did roughly the same test and got about the same results. Thanks David for the very informative information.
You can't do it that way. You need a temperature delta reference because as the ambient temperature in the house lowers, the temp of the air coming out will also lower....
What you do is compare the temperature in the blower closet to the temperature at the output and subtract...You should have at least a 17 degrees F difference or something is not working correctly. If you take a delta, then turn on a mister and take another delta, you will see that you have lost cooling capacity.
I worked at a factory and the ac breaker would trip around 11 am I ended up connecting a water hose with industrial misters I would open the water as soon as temperatures got over 90 degrees and it took care of the problem. Except when I would forget to go open the water. I have been wanting to use the water out of my evaporator to do the same thing in my house. Eliminating broken pressure lines risks.
Polymathic Perturbations . I'm glad somebody said it before I had to. What a joke. Thank you for the well versed statement
Just coat the roof !! What do you want the A/C and insulation battling a 145 degrees substrate or something 5 degrees above air temperature.
I have basically the same set up. I have my wife stand outside all day in the hot sun with a garden hose. When the ac kicks on, the old gal starts spraying the ac. Really makes my days more enjoyable watching television in some cold air conditioning.
I had mine do the same thing until she passed away from a heat stroke, i didn't mention that to the second one.
MissouriWindandSolar LMAO !
Savage Comments. Love it.
Well then who the hell is making you food and bringing you beers?
Mine does it in a thong bikini and i just watch her on the security camera from inside where it is a cool 70!
I used to live in a mobile home with central air conditioning. The unit was only a year old, it was the correct sized unit for the number of square feet we were trying to cool, but my electric bill was outrageous so I got one of those old-time oscillating sprinklers out hooked it to my garden hose and set the direction of the sprinkler to where it would only sprinkle to one side of it . I then placed it about 2 feet away from the central air unit and turned on the water just enough to sprinkle water on the a/c. My neighbors thought I was nuts but I came home the next night from work and noticed my neighbor was doing the same thing to her a/c. She told me it was cooler inside her home by at least 10 degrees and by the end of that week I was amazed at how many people had a sprinkler on their a/c even the ones who had only a window unit. My next electric bill was a third lower than the previous month but it really made no difference in my water bill so this system or however you choose to run a small amount of water over your a/c, it really makes a big difference.
Lmfao.."that compressor is running better already". ITS A MIRACLE!
I had a system hooked up to my city water line. Water is chlorinated. Didn't take long to see the corrosion starting. I took off mister, cleaned coils and then spray painted the cooling fins. Fortunately I was able to save them.
Building a barrier to shield from the direct rays of the sun is absolutely the best way to go.
Likely the fluoride and heavy metals, chlorine evaporates fairly quickly with little residue.
Yes, I built one from the cross laced wood. not sure what's it called.
@@CHEECHMUN Lattice?
YES, HAVE THE COILS SHADED GOOD, BUT IN FLORIDA, SOME DAYS IT IS 100 DEGREES AND THE AIR COMING IN IS 100 ALSO
"Action"
Lol.
I love it when people like you have some one helping with the filming.
Thanks to both of you for such a great tape.
I have used this system and another one basically the same for over five years at two houses and one rental in Vegas... no problems...saved a lot of money...and the guys that service my units yearly during this five yea period have told me The systems are working just like the manufacturers warranty. These systems are simple, basic and easy to install and maintain.
Steve Fasching I live in Vegas too. I would like to try this. Can you provide more details?
YOU NEED TO RESEARCH ELECTROLYSIS!
From a HVAC Techs point of view. It’s a great idea. But you have to hope that that coil never gets calcium on it or it’s in big trouble. But if you put an Amp meter on the compressor the Amps drop big time if you spray the coil with water. Over all I like this product. But I can’t stress enough make sure that water has it’s minerals removed. I took a class years ago with Trane and they talked about doing this and it will save you a lot of money on your electric bill. And yes it will make the unit last longer because it won’t run as hard to remove heat.
This isn't a really new concept. Both in the automotive and aerospace has been using this for a very long time.
Man, I love the sounds of those wind chimes
Reminds me of the movie twister
I am an air conditioning repair man. I can tell you that this will absolutely work as he says it will. The only thing to be aware of is what kind of water quality you have. If it is very hard water you may get some build up. Just something to be aware of and watch for.
The naysayers are stating their " opinions " with no facts to back up their opinions. So far no rust or calcium buildup at the store and we have had it running for 2 summers now. The calcium filter works. Just change it out when your suppose to and you won't have any problems.
How about using enviro- safe refrigerant, it runs at lower head pressure than R134.
harley Rider there is no refrigerant that's environmentally safe!!! And this idea will destroy your system!
Benny Wilkie Now heres a man that is just telling the truth and no bull. Everyone wants to make it complicated, really why? Yes it will help your ac life and bill. If you filter the water before it gets to the misters. Besides it will help stop it from getting clogged. And wow they provide a filter. It is very simple. It is one of the methods that people have used for hundreds of years. Evaporation hummm even nature does this quite well too.
Don't forget the algae buildup.
When did Richard Petty become an hvac tech
Vrrrooooom....
that STP money wasn't cutting it
This guy isn't an HVAC tech. He's out of his league, peddling nonsense wares soaked in snake oil.
Thomas Shaw lol
he is very smart like einstein
The calcium filter and having it as an easy kit is genius! Great idea!
25 year refrigeration service tech here. No doubt that this system works. I have a custom built set up that I use in the event of a condenser fan motor failure. Damage to condenser coils is negligible with proper preventive maintenance. “Coil shield” chemicals can be used during maintenance if it is a concern. However, I would stress to use this type of system only under heavy heat load. If you get “greedy” and try to use it on cooler days, the refrigerant pressure will drop to low and cause all kinds of problems to include potential compressor failure. Ideally, this type of system should have a pressure control that shuts off water when refrigerant head pressure drops to unsafe levels.
i love your reply sir defin on on real hot days use this
I think you can also provide shade over the air conditioning unit. That will also help cool down the air conditioner.
I agree. I use to have a sun screen around mine in Arizona. Going to have to do this one to. Thanks for reminding me.
BullittMcQueen1 I heard that condensing water cools.
Very little return, Condenser draws outside air from a massive area around it
L3 P3 evaporating water cools as it evaporation takes energy away from a system while condensing adds energy to a system.
BullittMcQueen1 you're fucking dumb
made my own with pvc pipe and patio misters and a refrigerator water valve connected to the ac wiring, include a nice water filter and its been great since, especially when we hit 115+F
Peter Dudas any problems with your subcooling ? What type of compressor ?
Also try cycling your outdoor fan would lower cost of operation and protect the compressor from slugging on longer cycles.
Someone's going to need to replace your compressor soon or later. It's kinda like getting into your shower and some idiot has the shower valve on spray hitting your with that big rush of freezing water as soon as you turn the water on
whole system works fine unless we have consecutive hot days over 115F, the unit just has a hard time maintaining the set temperature. Still blowing cold air and compressor is running fine. My issue probably has to do with not having the best insulation of the house and the unit just cant keep up.
the way I see it Im putting an evap cooler in front of my ac condenser to bring the coil temp down so the unit runs more efficiently. once we are back to under 115F I shut off the sprayers. probably only use them for a couple weeks a year.
Peter Dudas we even designed a fractional hp evaporative cooling system and eliminated the outdoor fan . High maintenance= high dollar and heavy crap that average installer has no clue where to put the ZIP tye .... Later after adding everything from water filters to dielectrics , head master controls and more expenses to research still unable to add classification or meaningful production . Maybe China will do more research as far as it goes give us a call after compressor failure and you're going to need more than sissors for the repair .
Peter Dudas that sounds great can you please send me pictures and a copy of a how to put it together and everything I need
does your mister drip and waste water like in the video?
Cool idea thanks! Also, if you can locate your outside unit in a shady area, this helps a bunch. If your unit is in the sun, you can build a little wooden fence for a sunshade.
Excellent idea
@@MissouriWindandSolar, Thank you! We're neighbors! I live just about 12 miles outside of Seymour, in Booger County!
Thanks for all of the great content!
Peace.
Thanks Sterling. They still call that Booger County ?
@@MissouriWindandSolar ,Many do! I think you can get t-shirts over at Town & Country!
Thank you so much. My electricity bill is so high, and came across you video, it is so helpful. I am go get one immediately. The video is very clear, good quality and easy to understand.
How’s it working out for you
It does work very well. The only drawback is that it rots the aluminum fins over a period of time
I was looking for this comment. Glad someone said it 👍🏼
Umm, no. Not if you add a decent filter according to the water in your area. I use a 2nd hand reverse osmosis unit bought for $40.
“I picked up a product the other day.... well actually a year ago” hahahahaha love it
HAVE FUN WITH THE REPAIR/REPLACEMENT BILL COMING YOUR WAY!
Please do tell us how can we just look for signs of rust
@@sitdowndogbreath AC Coils are made of aluminum... Does Aluminum rust?????
Anyone else read this in Wayne's voice from Letterkenny?????
@@Golfnut_2099 I don't know but I know it can pit.
Build a simple slanted roof shade device similar to a carport on poles. Shade extends AC life keeping it MUCH cooler.
False
HARD TO DO WITH LOCAL BUILDING LAWS, PLUS THEY MAY INCREASE YOUR PROPERTY TAXES,
We just run our CA from around 5 or 6 pm until 7:00 am when there is no blistering sun and the outdoor moisture is higher. During that period, our utility charges for electric is 50% less than during the day. From operating our CA during those hours, I suspect that it is running far more efficiently and the entire house being very cool by morning, we are quite comfortable during the morning and early afternoon hours without having to run the CA. One extra benefit is that we can sleep better at night with the overall temperature being in the mid 60's F.
IN FLORIA IT IS 85 BY NOON, AND HUMID, PLUST THE AIR THERMOSTATE IS NEVER SET BELOW 76, PLENTY COLD TO SLEEP
If I close my eyes and listen to him talk he sounds like Bob Ross. " Just a happy little tree right there" Great info thanks.
jtsbricks
Cancer sucks.
The wind chimes were actually a nice unintentional touch. I could probably watch this all day.
Rýán Túçk yes it does. I loved watching him when I was a kid.
yeah miss ol' bob
Well, his voice doesn't. And closing your eyes doesn't change how someone sounds.
The idea is perfectly good. The condenser gets hot and as the water hits the coils it evaporates absorbing heat from the coils. Probably doesn't work as well on really humid days.
A finer mist would work just as well and use a bit less water...
Greg Scott If it doesn't work well on really humid days then it would not work in Georgia.
Placing a large picnic table umbrella over the outside unit makes a huge difference in the summertime.
It's nice to see Richard Petty is staying busy.
😁😂😂😂😂 best comment of all~!!!! 😄😉😎
If water cooling works, use an evap drip mesh method around the unit and you won't need to filter the water. The mesh will have to be replaced when it fills with deposits. Air can easily flow through the mesh.
Excellent idea. I know that would work.
can you explain what an evap drip mesh method might look like? thx
But may restrict airflow through the condenser. Be careful.
Evaporative cooling is great. It's how our bodies keep cool when it's hot. We sweat. The sweat evaporates and that phase change carries heat away from our bodies because it takes heat to turn liquid water into water vapor.
When you spray a mist of liquid water into the air, the tiny droplets of liquid can evaporate into individual water vapor molecules. Again, it takes heat to do that, and in this case the heat comes from the air. The result is cooler air. If you live in a dry climate, you may even use this principle to cool the air in your home with a device called a swamp cooler.
Now, let's take that principle and apply it to your air conditioner. I've explained how air conditioners work in a previous article, collecting heat from inside the house and dumping it to the air outside the house. Because the outdoor air is hot, the compressor has to make the refrigerant that carries that heat even hotter than the outdoor air because heat always flows from hot to cold, or in this case, hotter to hot.
If you can evaporate water into the air right before it gets pulled into the condensing unit, you can decrease the temperature of the air and thus increase the capacity and efficiency of your air conditioner. Then, instead of dumping that heat from hotter to hot, you're dumping it from hotter to not-quite-as-hot, and that's easier to do.
OP: That does indeed work. We did it for a customer in Oakhurst CA where the systems were failing out due to high head pressure.
I used to spray my air conditioners all the time. I learned later, from the Crane Air conditioner site, that ants use the copper lines for pathways, and put down formic acid to mark them, which eats pin holes into the copper metal lines. So washing your lines once a month or more, might be a good idea anyway.
Gristle Von Rabe
omg thats the funniest stupidest thing i have heard in awhile
hvacr tech lol
Gristle Von Raben that's where i found my ants how do i solve this problem
matt matney ants don't like base aka alkali powders. But they tend to kill the grass. Taro ant killer always worked well for me in the past. City chlorinated water from your garden hose should be strong enough to neutralize the ants' acid trails, just don't spray in the motor or on naked electric wires or stand on wet ground while spraying the air conditioner and it's pipes.
The chimes made this an deep emotional experience for me. Hehehe. Teasing. Great video!
I worked on hvac for 45 years. I loved this because depending upon water conditions the condenser coils disintegrated in a few years ! Job security!!!!
Right you are, not to mention that the misters are using closer to 1 gallon a minute instead of the claimed "0ne gallon a day". If on well water, your water pump will need to cycle on occasionally, using electricity. I am all for the idea of this, but this one is a poor system.
@Pete Fender Yeah! I found that to be completely true every time it rains on the condenser. That darn rain water just corroded the fins!
My husband owned an HVAC company. He loved this idea as it guaranteed a need to replace the compre$$ unit in half the time.
He installed a counter current heat exchange on our units and use the heated water to water the lawn and heat the swimming pool.
Well lucky you, most of us do not have a swimming pool. The hot water part is good but people use very little hot water compared to the flow needed to absorb that much heat. You are right that calcium and salt will clog the condenser coils. People with naturally soft wart will not have that problem.
Absolutely works, Get a water filter because the small offices will clog up one at at time.
Drive a short pole in the ground, put in a beach umbrella, then tie it off to ground stakes to prevent the wind from blowing it away. In extreme windy conditions, close the umbrella and wrap it with a bungee cord. People in Texas use this technique.
im guessing if you put it in the shade it would work even better.
l3arrett82 What a piece of shit
are you a member of antifa or something?
No just bury it in the ground as someone else suggested. I think a plastic garbage bag would be best and easiest.
l3arrett82 Yes! Get that AC unit a roof...lol
ike fun- Not exactly. There is a small, very small amount of heat gain from the sun. This is due to the large volume of air being moved through the condenser coil.
No matter how soft the water is you will wind up with radiator fins full of mineral deposits which are a pain to get off of aluminum fins. Been there and done that, never again.
That is what is called oxidation of aluminum. What is the 2nd main ingredient of water?
I've been doing this for several years and now am planning a water cooled ac unit using closed loop geothermal.
good video it might just be me but that set of wind chimes has a peaceful zen like quality
Yeah i forgot they were making noise when i did the video. Just got use to them i guess. And they are zen like.
It took some time but misting your roof will go a long way in helping your bill out as well; I don't do that anymore now that I have a metal roof but I extended three quarter PVC around my home and did the exact same thing with a solenoid valve and misting timer system and put in water loving plants like elephant ears. Today, I have the Time Demand rate and I do not run that AC unit during the hottest time of the day and you mentioned Ed Begley Jr and I talked to him about energy efficiency being the better option for those of us who can't afford solar panels but can do everything to save energy and it being the more cheaper way to go. I have trees all the way around my house and I can't justify cutting them down for a payoff that will at least take 15 to 20 years to break even. For those of you who don't have metal but have asphalt shingles; misting is an excellent way to reduce the heat that conducts into your home; one gallon of water will remove 7850 BTUs of heat once it evaporates. Misting does work on AC coils; totally agree, but I chose the irrigation hardware to go about doing it. Kewl beans what you did though!
This is an interesting concept. I have never tried this product, but I did construct something similar at my home a few years ago using misters I found at Lowes. I did this for the purpose of testing the concept. I'm an HVAC engineer with some experience with HVAC system testing. I have access to a calibrated, high precision temperature and humidity meter/logger similar to the VAISALA model HM70 which has an accuracy of 0.36 deg F and a resolution of 0.1 deg F. One weekend I decided to connect 2 misters to a water hose and place them about 4 feet from the condenser coil. I set them up on opposing sides of the condensing unit and pointed them so that they were not directly misting on the condenser coil. I placed my temperature sensor inside one of my ceiling diffusers and started logging the supply air temperature. I live in north Texas, and the outdoor temperature during my test was in the upper 90's F. I set my thermostat to a low setting in order to keep the system running continuously during my test. To my amazement each time I turned on the misters the supply air temperature increased slightly. I was dumbfounded. I expected the supply temperature to decrease as cooler air moved across the condenser coil. But this was not the case. If the supply air temperature increases then the system will run longer and use more energy. I didn't go any further with my testing, and I never determined why the system appeared to loose cooling capacity using the misters. I spoke to several of my fellow engineers. We surmised, as one possibility, that the loss of capacity may be a result of a wetted condenser coil, a coil that was not designed to be wet to attain full capacity. This coupled with a propeller type condenser fan, with very limited static pressure and a relatively flat fan curve, likely resulted in a significant reduction in total airflow across the coil and hence a reduction in cooling capacity. I would like to find out if this Mist-N-Save product does something different and actually reduces my energy consumption. Is published performance data available? Thanks!
The savings is when you flood your compressor creating a locked rotor condition causing the power to stop on thermal overload in effect stopping the current flow to the compressor. Compressor not running equals 30% savings in electricity LOL
Yeah Hmmm I wonder if I can have a 30% savings if I set my air temp to 80 instead of 74 LOL
In theory, this idea of "misting" should work because evaporation is a "cooling" process. I think you are correct in your hypothesis that the cooling coils of a condenser are not meant to operate when wet. The water from the mist could actually be blocking the air flow through the condenser core. I wonder if a "finer" mist would work. Take care.
Your whole post to say water drops the temps and will make it cooler is is right, you don’t have to be a rocket scientist to figure that out, it’s helping the fan do what it needs to do in the first place, remove heat.... you will fuck your coils up over time.... this is the basic short answer
If your system uses a fixed orifice metering device, the lower head pressure caused by the evaporative cooling will lower the flow rate of refrigerant through the orifice. This will starve the evaporator coil (raise the superheat measurement). A portion of the evaporator coil will be colder but some surface area of the coil will be warmer. This causes the warmer supply air.
A thermostatic expansion valve type metering device will open more to compensate for the lower head pressure (keeping the evaporator superheat level constant). Also, the cooler liquid refrigerant being supplied from the outdoor coil will have more BTU capacity. In this case you may see 1 to 2 degrees colder air at your supply vent (on a hot day) as well as lower compressor amp draw.
The idea is sound, virtually every window unit's condenser fan sprays condensate water onto the condenser coils. You could capture condensate from the evaporater and rig a solar powered pump to run the mister. Solves the calcium, ph, and water usage issues
This works great. I do it on my car using water from aircon dripping into container. Windscreen washer pump spraying 2 misting jets
Keeping your condenser in the shade, either in a shaded location during initial installation, or by building some sort of roof or wall to keep it shaded, will help immensely too. (as long as neither obstructs the airflow through the machine)
That and this water mister will do wonders for your electrical costs.
That's exactly what i was thinking.... just get it in the shade would drop temperature drastically.... as long as air flow was good you'd likely wouldn't need water jets and time assembling and filters....
Do not block exhaust air flow. You are literally pushing the hot air back down to the inlet vents
Great idea as long as you have a low relative humidity and you're using some relatively clean water. The evaporative energy in water is nothing short of magic.
FILTER WILL CLEAN THE WATER, NO PROBLEM, JUST LIKE THE FILTER ON YOUR ICE MAKER IN THE HOUSE, PLUS THE WATER COMING OUT OF THE MISTERS IS 50 DEGREES,
What I do is pre-cool the home in the morning ( to about 72 degrees) when the outside air temperature is near 70 degrees, this keeps the home cool ( dependent on outside air temperature) just about all day. ( even as outside temps go to 90+) In essence , using the home as a battery. With an outdoor temperature near 70 or below, I can get about a 25+ degree delta compared to 18 to 20 degree delta at a higher outdoor air temperature. There by saving overall cost.
Idk about Delta but unless your house is insulated like a yeti cooler and you never go in or out then that makes no sense.
@@ForseenlifeI was going to say the same thing. “Better hope your house is WELL insulated or you’ll be hotter than a firecracker before high noon!!!”. 😂😂😂
Of course this works here in humid south florida. By effectively lowering the high side pressure, the system cools much faster and earlier. Thanks Mo
Thanks Chris
UNITS GET REPLACED APPROX. EVERY 3 YEARS IN FLORIDA DUE TO HUMIDITY.....YOU REALLY THINK IT'S A GOOD IDEA?.....I LIVE IN A DRY CLIMATE AND WE REPLACE OUR SYSTEMS APPROX EVERY 20-25 YEARS.....THE PROOF IS IN THE PUDDING.....THIS IS NOT A GOOD IDEA.
Florida about every 10 years but not sure about misting proper shading would prob be better
@@jasonlauterbach919 Well crap. Mine is 12 years overdue then....
“the other day......well, actually a year ago..” 😂
Well at least i caught myself. Time seems to go by fast when your getting old.
that made him sound fishy,lol..
I would assume the minerals in the water will build up on the coils as the water evaporates.
Also while playing with the cooling systems in refrigeration school that little flapper creates enough resistance to raise your head pressures so you’d really need to test this with gauges both ways
Mister systems come with water filters.
THE FILTER TAKES OUT THE MINIERALS
you should be cleaning your coils at least yearly. use the foaming cleaner that goes in to the coils liquid and expand out with the dirt and junk. there are other cleaners too that one could use after that initial foaming to descale. also you can filter the water too. they even have reusable Stainless steel filters too for sediment.
The biggest problem is that it rots your condenser coil. The calcium in the water will plate up the fins
THAT IS WHY THEY USE A CALCIUM FILTER PROBLEM SOLVED
gotta love thermodynamics!!!
Thank you Jeff that was a real good demonstration and made to look real simple and easy. I will be getting one for sure.👍👍👍
Did you ever get a mister? I’m curious to know what your experience was
I installed a heat recovery system on my unit. It uses the heat from the compressor to heat the water in my water heater. My AC has been making hot water all summer. As i use hot water the temp cools the refrigerant down and heats up the water.
I could see it working better, but I can see with corrosion killing the unit faster. And in my town there is NO filter that will remove all calcium deposits. Pretty neat idea though.
How about putting an small 6' high tarp to "perm shade" the condenser unit, and making it 20° cooler?
That would work.
Negative. The unit has to extract the hot air up. If you block it. The hot air would just circulate back to the side vents.
@@ismaelcarrillo3956 You don't have to block it. You can still shade it with the top of the tarp 5 (or more) feet above the unit.
I Always Thought about doing that!!
Nice to see a company made that system.
Yeah, Cool N Save and Mist N Save
MissouriWindandSolar , FYI, calcium is the least to worry about. most water is treated with chlorine, and nitrates both oxidize aluminum and steal. before adding any makeshift devices to your, expensive ac system. check to see if it voids the warranty. its normal for people to try these types of idea's. instead of adding some blown insulation, sealing cracks, buying a higher seer machine, having your home energy tested, or going all the way and upping the homes star rating. what ever savings you think your getting. will be handed back ten fold in repair bills. bub, there's a very good chance of someone being electrocuted or killed, from the install of one of these devices. you definitely did not cover all your Base's. your explanation, it lowers head pressure. is highly inadequate, it is saturation. people please do a lot of research before adding anything like this to your ac.
Shawn B when it rains it puts a lot more water then that little mister system an no has died
M C , and you got jokes. ha ha. there's more than a few reasons, its illegal to modify any electrical system in homes without being certified. dummy's get dead. or cause shorts that burn homes down, not to mention injure or worse people in them. I'm a 15yr ac man. these are beyond dumb. if I see one installed, there instantly removed. but you could be rite. I've only made tens, to hundreds of thousands due to them. but it rains chlorine, and nitrates. OK
While I agree with you that chlorine is corrosive, we're also talking about potable water here, so the levels, "I WOULD THINK", should be low enough that if a baby or child can drink and bath in it, it "SHOULD NOT" attack your AC to the point that it is eaten up by the water, before it wears out from normal use.
I mean even swimming pool water has MUCH higher levels of chlorine than drinking water and little kids are at the pool daily and drinking gallons of it all summer long, with no ill effect......or so "THEY" tell us.
I would also think that it would be just as hard on the cities water pipes and system as well. I did read that to counter the corrosive effect that chlorine has, cities increase the waters PH to cut that corrosiveness way down, but not raise the PH to where the chlorine is not effective at disinfecting.
I guess it comes down to a point of if it's worth a 30% savings on an electric bill, to cut the life of an AC by an amount that no one can really say for sure, other than "IT'S CORROSIVE TO ALUMINUM".
Thanks for keeping me in the business !
Love the way your dog brought his bone over with him to watch dad make a video.
It never ceased to amaze me that as I drove down Highway 50 in Sacramento, CA and looked out across the rooftops and saw all the A/C units ON TO ROOF of buildings and houses. The HOTEST PLACE on the property. I would just shake my head. BTW, a sun shade over the top would help as well.
This really is a great way to extend the compressors lifetime and get the airtime down faster inside!
The dog just walked by like this my yard lol
THE CONTROVERSY!
Thanks for the video.
My 4 ton AC system has been running for 29 years with only changing out a $35 evap. fan motor in 2007 which I changed myself. The system sits on the east side of my home, in the corner of my home/garage where the garage extends about 6 feet on the south side, giving shade to the coils starting around noon. The other factor is the valley between the home and garage that dumps rainwater directly into the AC unit, (which rains only about 5-10 times a year since we live in the hottest part of Arizona.) In the summer we have hit temps averaging around 115 degrees and the AC works well even when the rain dumps directly into the AC unit, and like I said I've only changed the fan unit which took about 1 hour, and I am no AC mechanic, just handy with some tools and common sense. Oh yea, I did have to add about 2 lbs. of R-22 refrigerant in 2017 since I forgot to run the system a couple of times in the winter to keep the seals working. It's always a good idea to run your system once a month or 2 in the off season. This also applies to vehicles as well to keep from losing refrigerant.
The "mineral salts" in hard water are corrosive to metals, especially to the thin aluminum walls of AC coils and you'll need more than a calcium filter to keep from having problems. The only way these "spray systems" can work without harming the coils, would be to use distilled water, which can get expensive at $1 to $1.50 per gallon.
HA that wind switch/valve is great. I've always just had to hook them up direct in the past.
I have a geothermal heat pump which runs well water over the coils and after 13 years it has no problems from calcification. I guess it depends on how hard your water is where you live.
You’re talking about a whole different monster .. your coils called a coax coil .. it is nickel Cooper coated !!!! Inside .. depending on how hard your water is running through that thing is gonna depend on how many times you have to have it professionally cleaned .. it’s good to have it serviced at least every year or two to know what it’s doing inside calcification build up that is !!! Be careful.. ( The unit they’re talking about has an external surface to air condensing coil more standard than anything in the current residential setting
I just love that little dog, he's a keeper.
That's Stella
I’ve thought about this and googled it and here I’m 😂 can’t believe it’s a real thing.
Around here. That ac would be Brown in an hour. Lots of rust
Im sure its rust in the water. We have lots of iron deposits in our water, so if you have a dripping faucet, you have rust stains on the sink
or tub.
If you had a water softener you could tap into that if your waters to rusty. The filter gets it out anyway.
You have no clue how bad the water is here. Filter plug up in a hurry.
MissouriWindand Solar They might need a water purifier instead of a softener.
Simple. Put an inline filter ahead of the calcium filter. A gallon per day equates to what, ninety to 120 gallons per year?
If it is such a bad idea, why do manufacturers of window units and thru the wall units have slinger rings on their condenser fans?
Exactly Nick. Same condenser material as a central air. The naysayers are stating their " opinions " with no facts to back up their opinions. So far no rust or calcium buildup at the store and we have had it running for 2 summers now.
Well, here is a fact, not opinion - I had this system for 1 yr and my unit was so corroded with calcium you couldn't see the fins on the condenser.
The mist system did not cause the calcium build up. It sounds like your water needs to be treated. I would also think if what you say is true the nozzles in the misters would be the first thing to clog up and would not be effective at all.
It's not a bad idea. It will all depend on what water you use. The window AC unit uses it own condensate water, it's like rain water, completely free of calcium and other stuff. This is why the coil won't get damage as easy.
I have tested this on my full AC unit, it does drop the power consumption. But not 30% and that mist got to use more than 1 gallon in 9hours (he said 9 hour of AC running per day).
I built something similar about 5 years ago. I use city water and the coils were not affected at all. I will turn my mister on when the temp gets around 95 degrees F. I built mine more to save some wear and tear on my compressor when the head pressure gets up over 300psi (R22).
The only thing that I would have added to the pre- made unit is to wire a thermostat in series with the sail switch. So it would only come on in extreme heat.
So, you saved $5 on your power bill, now your water bill is $200. You win!
When my neighbors' AC was overheating I hooked up a dripping hose for them. That allowed it to keep going until they could get a new unit installed.
Ha! I was doing this nearly 20 years ago, on data center condensers to boost performance when one would go down.
Cool
I wonder how much extra money you costed your company-I woulda fired your ass.
Do not use this if you have hard water. I tried this in Oklahoma (water here shouldn't be drank without filtering) and my condenser was corroded within one summer. It cost me a new unit.
should be "drunk," not drank. Sheesh.
@@tripjet999 Grammer Nazi.. instead of actually responding or asking questions.
He’s absolutely right this was very popular in Florida in the early 80’s but hard water ruined most condensers
Water in Las Vegas is also hard with plenty of calcium and Magnesium minerals that is why we use water softeners for our indoor water.
So the calcium filter didn’t work?
I made the mistake of trying to watch your video late at night and those damn chimes of yours kept lulling me into a peaceful sleep. Had to restart the video over and over.... haha
Everyday in the summer I drink a 12pack of corona and then when I have to pee I do it on the coils really helps cool down the condenser and it’s natural and a good time for me!
Don't forget the lime to get your daily does of vitamin C.
This begs for a Mythbusters segment.
The idea is reasonable,
How MUCH it helps is the question.
Well it will work well only in dry environments, and I doubt that it will halve the bill. But it will work, how much is questionable
I'm sure the myth busters will get some kickbacks from the ac companies, and state it doesn't work.
By my caculations....with 2m views hes earned enough for a brand new unit...hahahha
Well he will need one soon. This is not a new idea. The reason it is not generally recommended is that the outside compressor and coils are not designed to operate in water long term and the life will be shortened.
That's bullshit. Have you seen 30 year old coils in high rain/humidity environments? On a quality unit they're still like new. GTFO. Even cheapo apt grade stuff is still fine if elevated off the ground.
Hvac systems are designed and tested between 90 and 100 degree ambient air and a 75 degree indoor air. At 85 degrees that system is already operating out of its design specifications. That mister may be dropping it another 10 degrees, that condenser needs a certain amount of pressure to operate properly (pressure moves refrigerant) I'm sure in those conditions that unit is actually operating less efficiently and working longer. Rusting of the fins and copper will occur over time. In a high humidity environment like Arizona in monsoon season, all that mister is gonna get you is a puddle under your unit. Just keep your coils clean!
Stuff on the coast tends to degrade faster due to the salt in the air from the ocean, not because of the humidity.
And save people a lot of money as well
I live in Florida and the AC unit on the rental house is in the direct sun during the hottest part of the day. We have a ton of humidity already so I'm not sure if misting will do any good but I have been looking into putting up a shade because on days when it is cloudy, my house cools a lot easier on sunny hot days, I can't get the temp in the house below 80-82 degrees and the AC runs non stop. Needless to say my electric bill is over $400 now. The unit has been checked and cleaned so that is not the issue. It's just the damn intense heat outside.
At the plant, we sprayed the hot finned coils of our cooling system with water too, and they become encrusted with Calcium Carbonate over time as the water evaporated away, much like the evaporate cooler pads do on home swamp coolers. The chemical to soften the hard crust took on a whole new challenge... After drilling the crust to allow air through, coil replacement was the only way to fix that situation. We should have cooled the air going to the evaporator coils, not spraying them with water. Our next idea was to submerge those hot lines in a water box, flowing water across the coils kept deposits near zero, without the use of chemicals, can't put water with those chemicals onto the ground, has to go to an evaporation pond system.
Not entirely but y'all are on the right track. 👍
My nephew does H&AC. He says this does more harm than good. I asked him to install this on mine.
Will destroy your coils
You asked him to install it after he said it was no good? LOL JK
To cool your house affectively the AC has to run for a certain length of time. Otherwise it will cool the area but not remove the humidity leaving you feeling clammy. Temperature may be cool but you still feel miserable. Another thing to consider is that the head pressure is designed to run at a certain pressure. Altering this pressure could damage a TXV valve on higher efficiency units.
My unit runs continuously 7pm to 4pm in Phoenix AZ because I "super cool" the house. The Mister system bonly brings down the amps and the Temps.
Bought one with the link provided. Hope it reduces the operating costs of my older units
Really enjoying the sound of your wind chymes.
If you really want to see energy savings, install radiant barrier in the attic , my usage in the peak of summer went from roughly 1800 kw per month down to around 900 or 1000!!!
Question. Did u attach it to underneath part of roof or bottom?
Seems to me if u attach it directly to underneath part of roof, there would be extreme heat from both outside and inside to shingles. But if you lay it down on bottom of attic, your attic would stay hot...but maybe not house....?
If u dont mind, how much did pay approx?
Really liked the wind chimes in the background
Well they bugged me but Molly said don't worry about them people will like the sound. I hate it when she's right....
MissouriWindandSolar we recently moved to the Wichita KS area from Clever MO. Wind chimes dont last long here the wind literally tears them apart.
David Vaughn puppy is better . He looks happy
Hey, I'm up north in Salina!
Jeff, I’m with you on this; they bugged me too. I found them distracting, and had to keep trying to block them out to listen to what you were saying.
Think I'll start by shading my unit. I painted it white to reflex the sun a bit. Will also try the mister but with the filter, keep seeing comments about corrosion so it makes sence.
The little dog was cool, I liked him.
Her name is Stella. She's a neat little dog.
raising the unit off the ground is another great idea, on the roof or on a stand works also, like someone pointed out, insulating the lines would help also if calcium buildup is a problem then using distilled water might solve that problem
At the rate of dripping I see from just the one mister, that setup uses a whole lot more than 1 gallon of water per day.
Set up a rain collection barrel and run it off that shouldnt have any issue
@@zackzuback9518 Yep. And you could even fill up the Rain Berreal first with water from the Garden Hose to kick it off. And after that all the water it collects/uses will be free.
The only way your system could run less is with a lower temp at the evaporator. 55 degrees is about as good as you can get with todays freon. During the off season before it's time to run the unit just give the condenser coils a good wash and that is all you need to do...
The important fact of this water cooling the condenser brings down the high head pressure in the condenser and this brings it down significantly thus taking the load off compressor and amperage draw, that is where the savings come from. I have been doing this for over 20 years and I have proved how well it works. But you have to have the hard water filter!
That's a smart idea. I use a couple of 10,000. btu. that run off of 115 watts window units with 52 inch, ceiling fans in the main rooms and one 3speed floor fan and save money in a big house. Make sure the attic is insulated well and you'll save way more than a heat pump ever could. For the winter time, fuel oil furnace with a 40 gal. water tank, baseboard heat at the windows with a wood stove in the basement. If you don't have a basement, the first floor will do fine. Been using this hydronic system for over 40 years, keep humidity in the air durning the winter and doesn't dry out on account of the water principal in the house and helps if you have allergies. The newer one are even more efficient. Forget the heat pumps they offer. the ones in new construction homes, are not efficent enough to save, save, save,$$$$$$. New houses cost too much anymore, anyway for people to throw money to have the "American Dream". Especially for you first time buyers.
Ways to save on a/c costs. #1 Make sure your condenser coil is clean outside.
If the coil is dirty the hotter it gets outside the less efficient the Condenser becomes and won't release the heat from the refrigerant and will run longer / hard on the equipment. Turn off unit and clean off with water hose.
#2 make sure it's well ventilated , no bushes or plants blocking the airflow from going across the Condenser coil outside.
#3 the bigger insulated (suction line) copper line on the outside unit should be nice cold and sweating. If not could be low on refrigerant charge. So there's a leak or possibly it was never charged right.
true... and so many people forget that a clean indoor coil with proper air flow also transfers heat better :)
the best way to save energy is to keep the condenser coil clean, just wash it once a year and you are good to go.
I clean my condenser coil every 2 months with clay bar, paint sealant and then chemical guys carnauba wax. She is so happy!
@@diegosti 😜😂
Now you get a enormous water bill.... congratulations...
When the sun hit my unit for 3-4 hours afternoon I simply turn my hose nozzle on mist and point it up on top. It seems to help.
how cute is your dog though?!! minute 8:10 loved it! :))))
The cute dog was a distraction. Make a whole nuther video with the dog...
I bought one of these, and planted Marijuana around my unit... now I don't give a shit if it does cause it to go out.
Bruhhhhhh😂😂😂😂😂
Sinister my dude
Sinister
I planted meth around mine and now I'm a buddhist.
Sean Prior - I figured you to be a Methodist
Sinister
...and where do you live? Just in case I want to come by and see your...uh...condenser?
I don't believe that mister only uses a gallon of water a day, I could maybe believe a gallon an hour.
Great product, if you already have hard water you would do all your faucets a favor by having a whole house water filter set up anyways.
I like your style man.I don’t know why air conditioner companies don’t incorporate something like this.
Because A/C companies are paid to repair and replace your existing unit. Not make your existing A/C work more efficiently.
BECAUSE THEY CAN CLOG UP THE FINS WITH MINERAL BUILD UP UNLESS YOU GOT A WATER SOFTNER
Simple tip: go feel the copper lines at your indoor unit (evaporator), if the small line is so hot you can not hold on to it you have a problem.
Now some long winded advice: Washing your condenser coil at the beginning of the cooing season and keeping it clean is an import step. Make sure plants and landscaping are not blocking the air flow of your condenser, I like 3 feet clear around it. Change your filter and keep it clean, meaning every month unless you have a long life filter like a yearly filter.
Now call the professional: Verify your return air grills are the proper size, if you can't get air to your evaporator it isn't going to cool efficiently. Have the return and duct system checked with a Magnehelic and verify your air flow with the manufacture's published "fan data" and static pressure. Inspect your indoor coil on filter side to be sure it is clean and air flows freely. Too many people don't properly maintain their air conditioning system. Have the capacitor readings checked on both you indoor and outdoor motors and compressor while under load (2654xAmps/Volts). A complete system check should provide homeowner with all amperage draws on all motors, all capacitor readings both under load and off, all static pressures and calculated air flow per fan data, actual and target system superheat and subcool, system output temperature and target dT (differential temperature) at evaporator coil and condenser coil. Maintenance should include inspecting condensate drains, inspecting ductwork for leaks (may cost extra) and inspecting all wiring for damage or overheating due to loose or corroded connections. Honestly all these checks only take a few minutes when technicians have the proper equipment and know how to use it. Ask your service contractor if they have digital gauges which do all the refrigerant calculations and measurements for the service tech. Ask if they carry a Magnehelic with them, again it only takes a few minutes to check your airflow with the right tool.
Yes this misting system will possibly make your system "work better" but only because there is some existing problem that needs to be addressed. A properly sized, charged and maintained system shouldn't need any extra device to make it work efficiently.
If the condenser coil pressure is lower, you will consume less energy period, this is the reason they came up with a ground source system which starts off at 55 deg. F.
cant forget not to slug a compressor eitther if you dont have an acumulator in line in the condensing unit that is ,,,,,just saying ,,,i remember that in hvac school ,,,,,thanks for sharing over all good idea it does work i do mine in florida when i am outside ill spray my condenser coils a little i never did take a compressor amp reading as i was doing that ,,,it would explain more of this also ,,,
These things are a very novel idea and would work fantastic if they were made of something else other than cheap plastic. I almost bought one of these things until I had a couple of friends of mine talked me out of it. They to had misting systems similar to these in this video but after about a year of usage they began to leak. Both guys trashed them and got a misting system that uses a solenoid that comes on whenever the air conditioner does. It works much better and efficiently.
THE PROBLEM IS THE AVERAGE HOME OWNER CAN NOT HOOK UP AN ELECTRIC SOLINOID BECAUSE YOU HAVE TO GET INTO THE A'C UNIT TO TAP THE ELECTRICY, CHEAPER TO JUST REPLACE THE TUBING FROM LOWES OR HOME DEPOT EVERY SO OFTEN