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wow new line set sure its recommended but mandatory ? not sure why ? i surely hope Not ...hope if Thoroughly flushed with R11 & nitro & if proven leak free in an isolation test Ive herd from my Reps is standard protocol

R454B is 1234yf and R32. Not propane.

R-454b is not “propane” based

What about longevity? A heat pump has moving parts. I wonder how long they last before needing service and how much they charge.

Very good, I learnt a lot on this video!!

The EPA can kick rocks on this one. Set the a/c to where it's comfortable, otherwise you are truly wasting electricity.

I'm in a newer house that based on size, should have a 2.5 ton air conditioner. In the interest of energy efficiency, the builder installed a 1.5 ton condenser and a 3 ton evaporator. The air handler fan speed is set on max. I'll bet the TXV is wide open whenever the air conditioner is running. I have a humidity problem. The dew point of my house is 63 degrees. I can barely exert myself without breaking into a sweat. Temperature doesn't matter. A 63 degree dew point is uncomfortable. The fan needs to slow down in order to remove the humidity. If I slow the fan down more of the cooling BTU is used for dehumidification, at the expense of cooling. The undersized condenser can barely keep up as it is. Unless you live in the southwest or another area with a dry climate, install the right sized unit. Have the installer program the unit for the best humidity removal. Get the humidity down to 50 percent and then worry about which temperature setting you need.

What do you do about the one major drawback of central air conditioning, when its on the temperature of the air from the vent that might be right above your head is 55 degrees. For elderly this is a problem. My mother shouldn't even have a thermostat in her house, all she needs is an on/off switch.

I understand that a minisplit is more efficient than a traditional heat pump, but why is it so much better?

Great video, thanks for this. I leave it at 78 here in northern South Carolina (and lots of ceiling fans). An additional consideration for this approach is that it involves more than air temperature and humidity. If you set it at 85, for example, the walls, ceilings, floors, furniture, everything starts moving to 85. When you set the temp back, even if you get back to your base temperature (78 in this case) everything else is still at 85. The chair you sit in is 85. All radiating heat until you get back to equilibrium. So, set it, and leave it alone. Cheers! Great job!😊

6% energy savings, 100% more discomfort. This is why you don't let burocracies make life decisions for you.

Unless you're 80 years old and your body doesn't produce its own heat, 78 is entirely too high.

I love the way you compromise!

Great explainer! Question, if you have a single stage A/C unit that can’t keep up with cooling/dehumidfying, is a dehumidifier a good solution to improvement? Or is a variable speed system the way to go?

Slow down the fan speed.

Nathan, nice videos. Here are some videos ideas from my experience in the last few months. I contacted you and found out you moved to Tennessee and bought the company. I was left on my own without you! 1. I have an April Air humidifier that the waterflow from the waterpipe slowed way down. Couldn't just unclog it, had to replace the pipes and the tap just above the hot water tank. The hot water tank was 'popping' (16 years old) they could hear the pop, I could no, so my tiny clog got real expensive real fast. And the venting of the hot water tank was not to code! Got the new water tank with new pipes. Now the humidifier works. 2. The April Air humidifier had the power wire connected to the wrong spot on furnace's electronic board. Could create heat and fry the board? I passed on this one as its been this way for 12 years. 3. The furnace unit is in the basement and the control panel is on the second floor but it seems not all the wires were connected so I don't have all features that the control panel actually has. It is wireless and is connected to my WIFI. A video describing how you trouble shoot this would be cool. I passed on getting this fixed. 4. If you do any plumbing work, a simple washer change doesn't exist. That 10 cent washer now costs $350 to stop the dripping because you have to change the whole faucet unit with a new shut off valve! The faucet on the bathtub drips so the whole faucet and pipes need to be replaced. Yup, and add a shut off value. Thank goodness they can cut a hole in the wall behind the faucet and replace all the pipes. So when I sit on the can, I can open the door they add so I can admire their work. I did change the washer 15 years ago. Yup, with a 10 cent washer, this one has a $1750 estimate on it. Do a water calculation on my drip and tell me my breakeven on water loss vs $1750. My water bill is $90 every 3 months. Its been leaking for a year now. I have not pulled the trigger on this fix yet. 5. My humidifier work had to be repaired by a plumber so the Heating and Air guy had to call in a plumber! (Who works for the same company) 6. In the basement, my sink next the washing machine had a leaky faucet. I screw a small garden hose with a hand held sprayer on it. That stopped the leaking! But they talked me into replacing the whole unit. Darn, if only the 10 cent washer was on the table. They claimed they could not get the screw off to replace the washer. It was only and extra $100 or 2 to replace it all. 7. On top of all this, their best pricing was based on me taking a 1 year service contract to get an extra discount that saved me money and got the 1 year maintenance. I think the term down South is "Yup, I'm the rube on this one!". Do more videos so I can learn and not be the rube! Score so far: Dealer 4 ( 1 Humidifier works because of 1 new water heater to fix water tap to humidifier and 1 faucet fixed in basement and 1 maintenance agreement). ($2400) The Rube (me) 4 - passed on fixing the electrical wire, passed on bathtub faucet, passed on 2 outside leaky faucets. ($2500) I hope you enjoyed my Lewis Black style RANT! You have my permission to use these stories in your videos.