How to Cool a Room without AC (Effective & Affordable)
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- เผยแพร่เมื่อ 22 ส.ค. 2022
- Cool your room without air conditioning (AC) using a floor fan. Floor fans blow the heat out of your room. Additionally, they reduce the perceived temperature by blowing away layers of hot air from your skin.
I recommend this floor fan: amzn.to/3wnNjFj (click to view it on amazon)
To cool a room without an AC, you still need to remove heat energy from your room. The only way to do this is to blow the heat out the window.
Check out my full post on the 20 cheapest ways to cool your rooms and entire house: heatertips.com/cool-room-hous...
Any questions? Put them in the comments down below!
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I did some work and compiled the 20 most affordable ways to cool a room: heatertips.com/cool-room-house-cheap/
My focus is on strategies that actually work. And to be honest: You probably already know most of them. Cooling a room is no magic! Some will require fans or ACs, but there are some other methods that are completely free and don't need electricity or any devices.
Hope that's helpful!
I dint understand why we cant figure this out any better in 2024....what about nuckear fission?.....im a moron with science and mechanics, & thermodynamics, & i didnt think every portable ac unit needed to be vented and all this shit....im so pissed becuase i dont have a window & im in the american south which is an abject hellscape in summer, the southerners lie & say they love summer but theyre full of shit....i have to figure this out.
Thank you for your wisdom. I used to be trapped in my room with all the heat because they say to close every window and curtains to keep heat out. But you opened my eyes that to do the oppposite..you have deffinantly helped me. Thank you again for taking the time to make this video and help people understand the physics of heat. May God bless you for helping people deal with this uncomfortable heat. You are my hero!
Im a mechanic, i have a certificate of auto technology. That also means ive studied HVAC (Heating, Ventilation and Air Conditioning). Something ive learned that is hard to grasp is that: there is no cold air, it doesnt exist. Its only air with a lack of heat. You seem like a smart guy. I hope you excell in your schooling and career
Cold not existing is always a trip for me and people tend to not fully understand it when you try explaining it.
Exactly, heat is just energised particles without the energised particles you have cold, so you just need to get rid of the heat and Wala 😂🙌
...you could say the same thing about time
It's great that you know that, but how is that important. Just replace "cold" with "less warm" and tadaa, no meaning changed. It is just a less easy synonym.
What is more important that blowing heat away works only if you want to cool down a local heat source by distributing the heat to the surrounding. But you cant keep a room cool by setting up fans, if the heat source is the surrounding.
🍪
The way I survive is I take a hand towel (unfolded about the size of your back) and I saturate it in cold water and hang it around my neck. When it gets warm I rinse it in more cold water. When I go to bed I mist my hair with water, and I put a cold towel on my back while the fan blows at my head. It cools my core temperature down enough to let me fall asleep.
I've heard of that but isn't that how you get hypothermia? I've wanted to try this but never did cause I was worried about that
Bro just told us to turn on a fan
Nope not any fan but the metal floor fan.
😂😂😂😂😂
😂😂😂
Works for me 😂
He's an engineer. What a ingenious idea 😂
I have a stand fan and it helps a lot I detest hot weather days
I am in a room that was 88 degrees 1/2 hour ago and I am testing which makes more sense. It's 9.00 pm and the temperatura outside is 67, I set an air conditioner on fan mode blowing in one window and another blowing out in a opposite wall. It's been 40 minutes so far and the temperature dropped 3 degrees.
degrees or fahrenheit.? 😅
man I though 37 degrees was bad.
@@KnownUser139Obviously Fahrenheit, bro would have boiled to death if it was Celsius 💀
Because you only have one fan, blowing out, and no fan blowing in. AC does not exchange air.
Drippers also work great with a bit of cloth and a bottle of water over a fan it will just constantly throw water droplets at you
that only works if the weather is hot AND dry. for humid places it's a pretty bad idea.
Foe years I install a fan in the attic steps to blow the hot air into the attic. I then open the window in the first floor to allow cool air into the house
to replace the hot air. It works best at night with the cooler night temperatures.
That's what I do.
Fantastic Video! Thank you! ❤
this is exactly what i was looking for.
The fan only cools you, not the room. If the fan doesn’t blow on you it does nothing except maybe ventilation.. Great video!
Hi. We are now at 37 deg Celcius. I'll try that. Night temp is about 25 deg Celsius so hope it works
What to do when there s high humidity
The most important information is missing - where to position vet to blow out hot air.
Good video mate... keep it up.
Very Informative. Thank You for taking the time to make this video.
You're welcome, thank you for your comment!
I live in the deep South US - growing up very few had air conditioning that was in the 50s and 60s for me -
I'm 68 now and use little to no air-conditioning even when it's 100° to 105°F daily like it was last summer -
My dad was born in 1912 and only 20% could afford electricity down here -
Most slept on the porch during summer in the deep South US before they had electric fans -
I live in the rural deep south of the US - for those who had electricity from about 1900 they had what was termed a farm home light plant in rural America -
It consisted of 16 large two volt cells - and a 32 volt generator to charge the battery bank all day once a week -
The battery's lasted 40 to 50 yrs the acid strength was 1.220 so they don't sulphate and the plates don't swell and rot like when an acid strength is 1.275 with lead acid batterys so they last much longer -
You can look up farm light plants in the US on the net - there is a lot of information from the 1920s and 30s on the subject -
In rural towns there were entire lines of appliances sold that were 32 volts DC instead of 110 or 220 AC as used in city's -
Down here ceiling fans and window fans were a high priority also refrigerator and freezers -- in the city's and in rural homes -
Those fans made back then had what we in the electrical field call X or U frame motors - there expected life of service is 300 yrs. - they also use quite a bit less power than modern fan motors in most cases -
To live were I live at and not be uncomfortable when your in your home - you do have to have an understanding of ventilation and moving the air around in a home -
I use the old type fans one was made. In 1913 I think - I use ceiling old ceiling fans and window fans during summer -
the ones I have today are all 110 or115 volts but have polyphase motors -
Most of the Chinese fans sold here now use R frame shaded pole motors - they burn far more power than my old fans do and often burn up each summer if there not used in an air-conditioned home -
My grandfather was a early 1900s mechanic/generator man - I'm 3rd generation and worked on generators, & solidstate motor drives in the offshore and remote mountain oilfields -
In the end we had to understand ventilation and kw's burned to move volumes of air among many other things - we were. Know as SCR electricians or systems techs -
Physics won't lie. Well shared, pedagogical. Dankeschoen.
Great advice, thank you !!!!
You're welcome!
This is why all the houses before home AC were made have attic fans/central fans that blow air throughout and all around the house. I used to have them in my last 2 houses, they're pretty nice but don't compare to AC. There is also a method used on poultry and livestock farm buildings called "cooling cells/cool cells" and use cold water that drop through the "cool cell pads" that maintain the moisture, there a really stiff cardboard rectangle shaped box with holes, the edges are so sharp they can cut you. The holes allow air to flow through the pads and into the building to get it to just the right temperature for the animals. I imagine if you used this method for a house it would work pretty good and maybe even save money. who knows
I ran tubing along my cold basement floor and pumped water threw it into a car radiator then I blow a fan threw the radiator. Cools my room pretty well unless it gets of 95 f outside.
Thanks for this
Here’s the trick for non AC people open the windows and keep them open all day run the fans air movement is important the fans will blow the hot air out the windows and you can get a humidity gauge to read the moisture in the air. 30% to 50% within there is perfect.
THANKS FOR YOUR KNOWLEDGE.
The most effective way to get cool is to move to Ireland. It worked for me. I have the opposite problem, how to keep warm
So if i have a room with two windows can I simply have one fan sucking out air and the second one sucking in air? Or is it only important to have the air being sucked out while the second fan is blowing on me?
Second fan blowing on you will chop up air flow. One fan in, one fan out.
I guess this video was not done with people in South East Florida in mind. My A/C died on me today(of course on a Saturday morning, I rent) There is no cooler air at night as temps stay like a sauna in late July. This has happened enough times to me and is so dreaded as I sit and roast i sweltering temps inside my Apt on second floor with windows closed and curtians drawn. Last time my A/C went kaputz it was also on a Friday and I spent the entire week-end roasting. A/C guys finally were sent out by my landlord and they came into my Apt and were soaking wet in sweat as they were trying to repiar and eventaully replace my unit. This time I will try to go stay with a friend as there is no telling how long it will be before my A/C gets replaced. I hate A/C breakdowns, total disruption of life when you live in hot states .
Exactly 💯! Would a window fan with a Reversible Exhaust Mode help to remove heat from the room? Thank you.
The answer is no. It will only make your room as hot as it is outside. The actual best option is to block your window so no light gets in during the hottest parts of the day use the exhaust fan in the morning and night. And most importantly sleep on the floor.
Moving air also helps water(i.e. sweat) evaporate and that phase change steals heat from your skin. A dehumidifier might also help with this.
So is it better to point the fan in front of an open window or in front of me?
Feels cooler when pointed at me.
Whatever feels better for you!
At you
Thanks homie
I have this idea which I haven't seen anyone implement yet, not on youtube at least.
It's to use 2 radiators, a larger one and a smaller one. The larger stays outdoors where in front of it is placed a wet rug (or any thick porous material). A separate small pump is used to continously pump water over the material so that it stays damp. Then a fan pulls air thru that material and the radiator, thus increasing the cooling of the water that's running thru the radiator. On the other side, in the room the smaller radiator (which is connected thru piping to the bigger radiator+evaporative cooling unit outside) uses another fan to blow air which would be cooler.
The heat in the room would be absorbed by the radiator into the water, where it's being cooled in the outdoor radiator, where the heat is removed into the outside air. I'm not sure how efficient or how much it could help cool a room & if the money & effort spent to build such a contraption would be worth it, tho I'm sure theoretically it should definitely help cool at a lower cost than running an air conditioner.
I cannot afford to build it at the moment, would be cool if someone could try this idea. If & when I build it, I'll definitely be making a video about it.
i support your idea
That's exactly what ac is. The only difference is replacing the compressor, drier, and expansion valve.
@@fallinggravity9964 yes I knw, except for it's not gonna be as cold. But even a few degrees cooler and using less energy than an AC and being better than just having a cieling fan, guess it'd be worth it
I'm no pro in this, but isn't that like a swamp cooler?
@@shnay-nay2162 No, a swamp cooler adds humidity to the room as it directly forces air thru moving water and relies on the evaporation of the water to cool the air. My idea is more complicated, tho 1 part of it is technically a swamp cooler, but it stays outside the room, thus not adding the humidity, it acts to cool the water in tubes, which is pumped back into the room and hot air moving across the cold tubes is what cools the air.
Thank you sir, you saved me a lot of money.
Wouldn't it be nice to have a unit that took heat from the room and powered an electric load eg. charged a battery:)
Absolutely 😄
This was super easy to set up and hang up. th-cam.com/users/postUgkxclitHMewQyK8ao1RdWQ7Bt5ZZcLG0bWH Fairly quite considering it’s a fan. The versatility is great for me. It gets really warm in my bathroom and this keeps me cool while I’m getting ready in the mornings. When I need it to blow in a different direction I have no problems moving it around. Highly recommended!
I live in a trailer and I've tried everything i could think of to cool my home but fans seems not to work I've tried blowing the hot air out the window and my trailer still stayed hot i even tried having two fans going one facing out the window and the other one blowing throughout the home and still didn't work, is there anything other advice that might work as i have a tin roof so its extremely hard to find a working method.
it depends on your location really. If its a HUMID hot and there is moisture in the air, a decent sized dehumidifier or two would do wonders. You can vent the heat out of windows. When I stayed in a hot apartment, i used one dehumidifier to cool the room i was in, then moved it to the bedroom before i started getting ready for bed. Dry heat , use a swamp cooler.
Thank you
Question: I am in a very, very (unbearably) hot, old, concrete apartment. I face southwest, have 2 rooms, a window in each, both facing the same way (ie no cross-ventilation). Even in the winter in Canada, I cannot cool my bedroom below 75 degrees. In the summer, with a portable AC, it's still hotter. I don't know where to put a fan to blow the air outside as you suggest - my portable AC in my bedroom blocks the window opening. The only option is the window in the living room, which faces the same direction. Where would you put the fan? From you video it seems that the living room is the best option, so that air from the bedroom gets pulled out? (I realize I can experiment but I thought you may have a suggestion!) Thanks so much for this video!
As long as there are two windows in an apartment, putting a fan in front of one of them will force air in through the other, even if they are facing the same direction. Unfortunately, that means you will have to remove your portable AC in order for this effect to happen.
For your situation, it's up to you to decide how effective your AC is compared to a fan at cooling your apartment down and choose which needs to go.
I'm sorry for your situation with your hot home. You can blame poorly planned architecture for that. Good luck.
What about swamp coolers? Granted they only work in dry climates but they are an option. Mine lowers the room temp about 10 degrees f and keeps the air from getting too dry
Swamp coolers are fine too! But vent regularly, because as soon as the air is humid, the cooling effect is reduced.
thanks. it really does help knowing the physics.
I like to be under the covers when I sleep with the the thermostat placed 60 at cool . But my husband doesn’t like it and it’s really expensive . So would this help me I wonder
I'm a fan of this😂
I have an ac window unit thst got. Something cheap. So far works really well. But I will have to change windows. Too small. I had yo make adjustments. Plus I don't trust my neighbors enough not take my modifications out while I am not home. But I think I will keep my ac window fan. And I think I will look into the floor fan. My ac unit stopped working and I was informed that being 21 yeara old. That repairs would only be temp and can cost up to $5000 so I don't plan to be here for multiple years. Just the rent is super cheap for Texas. Under $1000 so floor fan might work. While use an ac window unti in another room
If you are renting, your landlord is responsible for the AC unit if it belongs to them
@mintyfresh084 Sounds good. But home owner. I know the details. I already took care of window adjustments. Feels like months ago. Even though Saya one month. Nearly how time flies
Just got into a small room with ceiling fan and no window, only dusty exhaust fan on top corner of the wall, any suggestion ? will floor fan actually do something ? the ceiling fan constantly blowing heated air to my skin, its not comfortable to sleep as well as its get hot... Any suggestion from someone who overcome these problem ?
Is it possible for you to keep the door open?
You weren’t in New York City were you? Your apartment description is spot on for some resident halls 😂
No, I am near Frankfurt / Germany. I guess New York is much worse! 😅
@@heatertipsover here in the US they sell a gadget that is a small set of two small fans that mount in a window like a window air condition -
The two fans are reversible so one fan can blow air in a room and the other can draw air out the room and blow it out side -
Some have thermostats on them -
You dont have hot layers around you you sweat and the fan blows air onto you making the sweat cold cooling you down
So very true, well said.
I legitimately feel more educated after watching this. So it is helpful to point the fan at the window and not towards the inside of the room, correct?
basically yes :)
Just curious, how much does one cost in your country.
40-50$
I have an evaporative cooler that is a fan too
Did he just say that fan was Jesus!? Noice.
I have to say, I've spent a fair bit of time splashing my face with water and then fanning it either with a book etc, or just putting my face directly in front of the fan, this summer. How does this work? Does the water take heat away from your face as it evaporates, and because you also fan it, it evaporates the water quicker so that you cool down/feel cooler quicker? That's my guess but I don't tend to "do science" very well lol.
You are right! Water evaporates and absorbs heat. The fan blows the absorbed heat away. Therefore the temperature of the air layer on your face is lower than room temperature.
@@heatertips Hooray, I figured something out - I feel a bit more clever now - ha ha ha! Thanks for replying. 😀
That’s y they make spray bottles with tan stoopid
I believe water removes heat from the skin 25 times faster than air does that’s why, if you fall into a frozen lake, you have to roll in the snow to absorb the water, so you don’t go hyperthermic
فكرة جميلة الجو عندنا فى مصر اليومين دول حر اوى
😂اي ده حد من مصر
الحر بيخلينا ندور ف اى مكان😂@@oximas-oe9vf
What if you blow a ton of cold mist into a warm room
I wish I could show you the layout of my apartment that only has one fucking window. My room is the furthest point from that window and I’m unsure if fans will do the trick.
Maybe I should just cry
This might be the worst suggestion ever lol. But what if you took a big fan, point it at you. And then a fan pointing out of the room to push the hot air away from you???? May be dumb lol
With your situation, it seems as if a window aircon or a window fan might be your only options if your goal is to cool your space.
If you live in a dry climate, a swamp cooler is an excellent alternative to aircon. If not, then you might just have to cough up the money for air con.
Good luck.
That's 6 minutes of my life I'll never get back 🙄
I'm in alabama. It's going be 100°F this week. My AC coils are shot. Basically, with the very little knowledge I've gained from the video, I'm screwed 😂
Take cold showers throughout the day!!
I’m in GA. My AC blew out during the storms. It is brutal 🥵
@hil4966 ooooooh nah! it was too hot today over here in Montgomery! It was 100 but it felt like 107...I got me a window AC in my room but the rest of the house is an open oven 😂
Does a floor fan need to be placed out the window with the fan blowing outside?
@@lesliegray3395Leslie to be comfortable if it's a bit warm or hot you generally need one fan blowing air out the window or you can use it to to draw out side air into the room - at times sucking air from out side works a lot better -
To sleep if it's hot and your sweating you need a second fan circulating air in the room - I live in a hot region and rarely use AC - I use a good ceiling fan when I sleep so I don't sweat as I sleep -
It's almost imposable to sleep when your sweating -
So is it better to have the fan looking at the window?
I've seen experiments where the fan looking out the window proved more effective.
But I'd say try both ways and do whatever you think works better for your room.
@@heatertips thank you bro have a nice day or whatever it is in your country
I was stuck to my chair a few minutes ago but when I setup my floor fan correctly I started to cool down so that's a like from me
How did you set it up?
@@NuEs365 I put it on the ground right beneath my window, pointing towards my window, so air was blowing outside.
Although I'm not even sure if it was really working and if so, it might have cooled down my room by like 0.15 degrees Celsius (not calculated). So honestly just save up and get an A/C. I still have to buy one for next summer.
Don't waste your money on fans of any type. And especially not on "Personal Air Conditioners" that you put water in and leave on your desk. How ever much you spend on one of those pieces of garbage, it won't work. The whole idea of a Personal Air Conditioner is a scam.
Literally chew on ice and blow a frozen rag with a fan to cool my room with a box fan on my window insulated by cardboard and spray foam.
Exchange... Blowing air from indoors to outdoors means air will be drawn in from outdoors elsewhere. This is not a solution when the outdoor temperature exceedes that of the indoor. Evaporative Cooling... A fan blowing room temperature air on you causing a cooling effect is due to your body's evaporative cooling and is less effective the higher the relative humidity. Not an engineer, just grew up and live in a desert where temperatures in the summer months regularly hit triple digits.
ive got the shn beaming into my room through my blinds ands its hot what to doooo?😭😭
Get reflective blinds (the side facing the sun should have a silver-colored layer).
You could get a roll of reflectix insulation with the bubble wrap inside the silver layers and cut it slightly larger than the window so it stays put
Why did you made a video of how to cool a room down
When you’re channel is called HeaterTips! 😂
Cold is just the absence of heat. If you understand heat, you understand the cold. It's the same topic. 😄
@@heatertipsthat is a good answer lol
Thagey amaa roshi au keyfela nagoo balha
Loooooooooong story short: turn it on!!!
Why the hell this fan cost 245 pounds,are they insane !?
Dude needs to go back to school and visit the southern states in the US to experience real heat.
I am gonna die this summerwithout ac
blow the heat out by the window
Was this a joke? Thanks man. Ww know to.turn the fan om
It's LOUD!
This did not really help
Bro what??
This is not true
Summary of the video:
You can't cool down (under outside temp) a room without an ac. Get a fan to blow the hot air off of you.
My guy is yapping for 6 min straight about nothing
Look up windcathers :D
You don't understand physics, you're wrong. Putting frozen stuff in a closed room cools it down because it takes heat energy out of the air for it to melt. thus cooling down the room. The energy to melt frozen stuff comes from SOMEWHERE, right? Putting a fan in front of ice causes it to melt faster. Here's how I do it:
Put ice cream tubs, milk jugs and 1.25L - 2L plastic disposable bottles in your freezer full of water instead of throwing them out. Fill up your freezer with them, it's actually more efficient to fill your freezer with stuff anyway.
Then, fill the freezer to the brim as full as you can in any empty space with these liters and liters of water containers.
Once frozen, take them out and put them around your room, in front of a small desktop fan on a piece of cardboard on the ground.
DO NOT OPEN WINDOWS this lets outside heat in!
While these are melting with the air from the fan, put more stuff in the freezer so once your bottles have melted you can swap them out with the other batch in the freezer, and repeat the process. It actually cools your room significantly.
Idiot, he never mentioned anything about ice or frozen stuff.
Will this work well for high humid rooms?
Fan fairy
I can't believe i watched this to the end. Total bs ! Well not bs but benefitless.
I always stick to technical truth in my videos and blog posts. Truth may be boring, but it is never benefitless. It protects you from falling for marketing scams.
why if i hear how people speak english i directly know which their original countries are? I guess he is GERMAN
Your guess is correct!
Bro is talking all around the topic, but not key points...
Dont recommend watching. Waste of time
Yappin to much just get to the point
your an electric engineer that made me smile.... are you on intagram or facebook?
it.plows.heat.faster.the,omly.way.im.a.hot.coumtry.is.a.slow.very.slow.fam.