If your air conditioner has a dehumidification mode, your Nest thermostat can do even more to help reduce your home’s humidity. If you see them, reset those too. You may need to call someone to take a look at your duct size and thoroughly check the systems capacity. specialist who may utilize auto-dial technology to contact you, even if the number you provided is on a do Various system components can begin to become inefficient, and your air conditioner will have to run much more often than it used to in order to keep your home cool. If one of these circuit breakers throughout this process keeps tripping off (making an obvious sound), then read: Air Conditioner Circuit Breaker Keeps Tripping for more information on troubleshooting this malfunction. If so, you have a leak and can go from there. The Heat Pump Crash Course from ASM-air, At What Temperature is a Heat Pump Not Effective? So what’s the issue? Well, it means that if you live in Sarasota and your AC only struggles on abnormally hot days (days above 92 degrees), it’s likely because your AC was only designed to provide optimal comfort when the outdoor temperature is under 92 degrees. During the week when we had a heat wave in the New York area; the temp outside was 98 and my a/c would not cool below 79 indoors. There will be a small copper line and a larger one with insulation on it. During your tune-up, we’ll inspect your system for problems that would impair its performance and perform a full system cleaning! For immediate assistance you may call (855) 715-4500. Now translate this to why your air conditioner won’t cool – maybe it’s cooling, but it’s having trouble pushing air into your house. Feel good? Copyright © 2018 Krankenwerks, Inc. All Rights Reserved. Who said that whoever labeled those circuit breakers did it right? Need a tech to figure out the problem ASAP? On the rare occassins I turn my A/C on, I set the thermostate at 84 degrees. However, it is actually more efficient to use both together. Not only will a newer AC ensure your home reaches sub 80 degree temperatures, it can also save you up to 20% on cooling costs. Your air conditioner doesn’t kick on because it thinks you are hot, and it doesn’t kick on because it’s hot in your house either – it kicks on when your thermostat gets hot and crosses whatever threshold temperature you have set. the attic). The bedroom will not go below 82 degrees until after midnight. Related: 3 Free Tools That Show You How Much You’ll Save With a New AC. In my experience, it’s about a 50-50 chance that it was labeled right – be safe and just turn off all the power why you do this. If you have a split unit (see: What is a Split Air Conditioner? Dirty condenser coils can make your home uncomfortably warm. Air Conditioner Circuit Breaker Keeps Tripping, How to Choose a Reputable HVAC Contractor. Either call a professional HVAC specialist, or for the veteran do-it-yourself types, start by removing power from the unit using two different methods (use both, not just one): turn the thermostat to the “off” position, AND turn off the applicable circuit breakers (in HVAC, we ALWAYS turn a unit off at two separate locations for safety – that way, when someone comes along and says “oh, the thermostat is off” and turns it on while your arm is elbow deep in your condenser…get the point?). If the room was very hot it will take longer to cool the room. Change the Filter. See our response to recent issues regarding COVID-19. At the end of the day, you might just need to call in an HVAC professional. Keep vegetation at least 2 feet away from all sides of the unit. Have a professional inspect your ductwork for leaks. Remove all large pieces of debris, then clean the heck out of that thing with a hose and a brush. Probably not. Recently after paying more attention I've realized that my AC won't cool below 70°-71° despite what its set to and has been running all night without my knowledge trying to get there. If so, there might not be any “problem” with your AC system. Just like an old car loses power and efficiency over time, an older AC may not be able to properly cool your home as well as it did when it was first installed. I don't know too much about HVAC systems other than they need to be clean, free of debris, and not frozen. Also take note of your thermostat’s position in your house. Some models have them, and some don’t. So hard in fact, that this might be why your air conditioner won’t cool below 80 degrees in your house. The number one thing that you can expect your air conditioning technician to do is to hook up to your system and check the refrigerant levels (either R-22 or R-410). If you’ve checked our blog before, then you know that this isn’t the first time I’ve said this – the simplest answer is usually the right answer. Otherwise, all that collected heat will just get blown right back into your home, making it impossible for the AC to ever reach temperatures below 80 degrees. Top 10 Heat Pump Brands of 2020 - Which is the Best Heat Pump Brand? I'm tired of waking up in a sweat. If your thermostat is set at 74º, but the temperature won’t go below 79º, here is our “Top 10” checklist of problems that could cause the a/c system to not cool enough to reach the thermostat setting: 1) Dirty air filter - Yes, really. Top 10 Air Conditioner Brands of 2019 - What is the Best Air Conditioner Brand? If it doesn’t then you’re out of luck. In other words, check the location of your thermostat. Since we are asked this question so often though, we do have a few good answers ready to go. Your refrigerant is the special chemical that cools the air inside your home. But then, you’re not on the internet looking this up because you want to drop a few hundred bucks to call one of us out there, now are you? During the hot summer days, it’s important your air conditioner reaches below 80 degrees. Yesterday the central air did not turn off. Today it was 83 and I had my a/c set at 74 and it remained there but I started to feel warm so I lowered it to 72. If you have a “split” AC unit then you have one piece outside and one inside. If the room is 70 or below already, the thermostat cannot cycle the compressor on. Follow the troubleshooting steps above and go from there. It’s like wearing a spring jacket on a 20 below day – it just doesn’t cut it! So when asked about “why an air conditioner won’t cool,” or “why an air conditioner won’t cool below 80,” the short answer is that you’ll have to call up your local HVAC technician if you want it done right. 2. You see, ACs are sized in tonnage (1 ton, 2 tons, 3 tons, etc.). After you turn them off, wait a few minutes just to make sure it doesn’t kick on, then go to work. In this article, we will discuss the most common causes for why an air conditioner won’t cool your house properly, including the do-it-yourself troubleshooting tips you can use to get your AC unit up and running properly. Check for the signs of a refrigerant leak: If you notice any of these signs, have a professional locate and repair the refrigerant leak and then recharge your system with more refrigerant. We set the thermo to 70 and the house stayed at 71 all day. Other things I have noticed... After freon is put into in it blows out cold air, but after about a month the air is not as cold and when it is 80 degrees outside we can't get the house to cool below 70 degrees. Be an Insider, and Get Your HVAC-Facts Report Before You Talk to a Contractor. You see, every geographical area has what’s called a 1% summer “design temperature”. If he notices that they are low, he might opt for a Nitrogen Leak Check, where he will pressurize your system with nitrogen and wait for a while. Try adjusting your thermostat to start with, then read: Sit in your chair, relax and take a few deep breaths. Change the filter and give it a try, then read: Check the circuit breakers on your main power distribution panel (aka, your circuit breaker box). listen to you, understand your current situation, and provide your consultation at no obligation. This piece of equipment keeps running for many hours without interruption each day unless we fail to maintain its good working condition. Simply put, our results speak for themselves, and we'd be happy to help. Now, take the down comforter out of the closet and wrap it around your face and take a few deep breaths (disclaimer: don’t really). By submitting this form, you consent to receive a call, email, or text from a In order to detect if an air conditioning unit lacks of gas in its heat pump we are going to see the external unit (in the external heat exchanger) if it freezes itself or it frosts. They came and recharged but still no relief. Common Air Conditioning Problems: Central air conditioning runs but doesn't cool enough The most common reason for a residential air conditioning system to lose cooling capacity is lack of system maintenance. If not, then your Freon was probably just low. An air conditioner regulates and maintains the temperature inside according to your desired level, regardless of the temperature outside. If something your contractor is telling you doesnt sound quite right or seems expensive, consider using our Online Consultation Services. not call registry. Have a professional perform a Manual J calculation to determine if your air conditioner is too small for your home. Rinse dirty condenser coils with a hose on a gentle setting or use a coil cleaner like this. That 130 degree air is trying to get into your house! Air conditioning filters in a typical home with several occupants should be replaced about every three months — and more often if you have pets or are prone to allergies. Well, certain problems can prevent an air conditioner from properly cooling down your home including: But here’s the tricky part: there’s always the possibility that nothing’s actually “wrong” with your AC— maybe you’re just pushing the limitations of your system. Replace all safety panels, etc., and turn the power back on, as well as the thermostat. And, for the love of your wallet and AC system, never use a condenser cover. Since we are asked this question so often though, we do have a few good answers ready to go. Why Is My Air Conditioner Freezing Up? As debris builds up on the coils, the air conditioner will become less efficient, causing the air conditioner to work harder to cool down. Are you saying the house won't cool after the ambient temperture goes above 76, or that the A/C won't cool the house down below 76 degrees? Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. The thermostat is set on 70 but the temp in the house is 85. I would freeze if it were set to 76..! Either way, here is an article I wrote on How to Choose a Reputable HVAC Contractor. What To Do Before You Call . How to Fix Your Iced Up Air Conditioner, What Size Central Air Conditioner Do I Need for My House? Why Your Air Conditioning Thermostat Set at 78, Won't Cool Below 80 [fa icon="calendar"] July 30, 2019 / by Home Services Expert Click to Enlarge – Excerpt Page 3 of 12 from the HVAC Design & Consultation Program. We value your privacy. 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