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. While most of us believe that an air conditioner only works to cool the room down, that’s not the case. Whether you realize it or not, an air conditioner that won’t cool might not end up being the AC unit at all. Air Conditioner Won't Cool? If you live in Santa Clarita or the Greater Los Angeles area, click the link below this paragraph to see if you are in our service area, and make sure to take a look at our ASM Air Conditioning Blog for more information and DIY tips. I can’t tell you the hours I’ve spent in an attic trying to figure out what someone was thinking when they did something to their unit. Below is a list of common home air condition problems. The … Have a professional perform a Manual J calculation, 3 Free Tools That Show You How Much You’ll Save With a New AC, Hissing or whistling noise coming from refrigerant lines. Follow the troubleshooting steps above and go from there. Find out why. If you live in Southern California, we ask that you keep us at ASM in mind, but chances are that you don’t live here. If your AC is undersized, upgrade to the size your professional suggests. Why won't my air conditioner cool below 80 degrees late in the day? Without going on a tangent about Occam’s Razor, trust me when I tell you that you’d be surprised at how often I get called out to a house only to find out that it was, in fact, the wife that kept turning the thermostat up. WARNING – don’t stick your hands inside that thing yet because it could kick on and hurt you! Hopefully, we were able to nip your AC problem in the bud. Why Your Air Conditioning Thermostat Set at 78, Won't Cool Below 80 [fa icon="calendar"] July 30, 2019 / by Home Services Expert So you set your AC thermostat below 80 degrees but noticed that your air conditioner’s having trouble reaching your set temperature. And, for the love of your wallet and AC system, never use a condenser cover. If you have a split unit (see: What is a Split Air Conditioner? At the end of the day, you might just need to call in an HVAC professional. Heat Pump Installation Cost 2019 - What's a Fair Price. Why Is My Air Conditioner Freezing Up? If you have a “package” AC unit, then there is only one component, usually on the roof. With any troubleshooting method, it is important to first understand that safety comes first. See our response to recent issues regarding COVID-19. 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. Then when he checks the gauge later he can tell if some nitrogen has leaked out. Be an Insider, and Get Your HVAC-Facts Report Before You Talk to a Contractor. Make sure you have enough return air. Feel good? If you haven’t already done so in the last 12 months, hire an HVAC technician to clean and inspect the other components. It may seem like a pain, or expensive, but your air conditioner works significantly harder when it has to push air through a saturated filter, just like you had to breathe harder through that down comforter. They came and recharged but still no relief. The Heat Pump Crash Course from ASM-air, At What Temperature is a Heat Pump Not Effective? Your consent is not a condition to purchase any product or service. See if your air conditioner cools your house now. So if there are leaks along the ductwork that allow cold air to escape into the attic or basement, your home won’t get as much cool air as it needs to reach your set temperature. What Temperature Should I Set My Thermostat To? An air filter caked with crud severely cuts down air flow and cuts the cooling ability of the system. Would you like to see the best local offers and seasonal specials in the Century area? An air conditioner regulates and maintains the temperature inside according to your desired level, regardless of the temperature outside. We set the Thermostat to 74 the unit will cool to 74 over night but from 3 PM to 11 PM we cannot get it to go below 80 degrees. Verify that the thermostat is switched to cool mode and has a cooling set point below the room temperature reading. I would freeze if it were set to 76..! As air conditioners get older, they begin to lose their ability to properly cool your home. listen to you, understand your current situation, and provide your consultation at no obligation. If the "cool on" or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. Related: 3 Free Tools That Show You How Much You’ll Save With a New AC. But in order for that “heat dumping” process to take place, your condenser needs plenty of breathing space around it. Asking an air conditioning guy why your air conditioner won’t cool is kind of like asking a mechanic why your car won’t run – there are a million reasons. ), then the condensing unit (or “condenser”) is the piece that’s locked outside. What to do when your AC won't cool. This report will tell you exactly the attic). Your air filter is designed to trap contaminants in the air before it gets pulled into the AC system. And if a dirty filter isn’t replaced, it can seriously limit your AC’s cooling power. Power Issues When the LG air conditioner won't power on, check various elements to ensure the unit has power. If needed, they can provide duct sealing services to make those ducts air tight. It’s like wearing a spring jacket on a 20 below day – it just doesn’t cut it! 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? i just strayed the filter yesterday and it is clean, but i just dont understand why the stat is stuck on 75, before this happened i would put it down to 70 and it would go down to 70 and cool air would come out and cool the house in minutes and now i cant get its down from 75 and little cool air is coming out and downing nothing cause its been on for about all most 2 hours and its is on 90 Try adjusting your thermostat to start with, then read: Sit in your chair, relax and take a few deep breaths. 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. 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. A representative from NextGen Air (BBB A+ rated) will be calling you shortly to confirm your appointment. So if there’s a leak and your system eventually becomes low on refrigerant, your AC will be extremely limited in how much cooling it can provide. your thermostat is set on 74 your temperature never drops below 80). Your specialist will Need a tech to figure out the problem ASAP? A window air conditioner is smaller in size compared to central air conditioner but functions the same. If your AC can’t cool your home below 80 degrees, it’s either just an abnormally hot day or you have one of these 6 problems. Change it when it looks like the filter to the right (in the pic below). Just contact us and we’ll send one right over. Naval Aviator 2005-2015. And the vents are blowing air. Probably not. 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. Up to 200 million people across the US and Canada will be affected, putting pressure on air conditioners. Click to Enlarge – Excerpt Page 3 of 12 from the HVAC Design & Consultation Program. 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. Replace all safety panels, etc., and turn the power back on, as well as the thermostat. If you’re planning to do the same, you’re in luck. And according to the Environmental Protection Agency, Sarasota’s summer design temperature is 92. Have a professional inspect your ductwork for leaks. Your air ducts deliver cool air to different areas of the home. Remember: Sarasota only hits these abnormally hot days around 1% of all the hours in a year so while they might be uncomfortable, those above-92-degree days are few and far between! Both an air conditioner and an air cooling fan will get the job done as efficiently as possible. 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. Common problem is NOT enough. 2. If so, you have a leak and can go from there. 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. After you turn them off, wait a few minutes just to make sure it doesn’t kick on, then go to work. how much the units will cost, and the I don't know too much about HVAC systems other than they need to be clean, free of debris, and not frozen. Who said that whoever labeled those circuit breakers did it right? If you have a “split” AC unit then you have one piece outside and one inside. Check your air filter every month or so. In most central, ducted systems, there are two distinct units which cool and heat residential homes: the air conditioning unit, which typically is placed outside, and, the furnace, which generally is located in the garage or another out-of-the-way place inside the home. Ok, enough motherly guidance. During the hot summer days, it’s important your air conditioner reaches below 80 degrees. And if the AC is undersized, it might run all day but never properly keep up with the heat that’s entering your home via windows, doors, cracks, etc. And you’re getting a little hot and bothered (literally). Know your limitations – don’t go poking your head into an attic if you’ve never crawled in an attic before, don’t mess with electricity if you don’t know what you’re doing, and if you have any doubts at any time about what you are doing or whether or not you should be doing it, the answer is “no you shouldn’t.”  Call the professional out – it’s just not worth it, trust me. If it doesn’t then you’re out of luck. Heat Pump Temperature Ranges. Here’s how to get a fair price: Like I said about the mechanic and your car at the beginning of this article, there are a million reasons that your air conditioner won’t cool, but you’ve honestly done everything that you can. HVAC Technician: Tom, HVAC Technician replied 10 years ago. 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?). Consider the temperature of the room when the air conditioner was first turned on. Some Troubleshooting Tips. When an air conditioner doesn’t have sufficient airflow because of dirty evaporator or condenser coils or because of vegetation surrounding it, it won’t cool your house well. Click here to see what those 6 problems are that are hindering your air conditioners performance. So hard in fact, that this might be why your air conditioner won’t cool below 80 degrees in your house. At All Systems Mechanical air conditioning and heating, we believe that the experience our clients have is every bit as important as the products they receive. So to reset them, move the circuit breaker to the “off” position, wait a second, then switch it back to “on.”  Do this for all of the applicable breakers. In fact, it seems your AC has trouble hitting any temperature below 80 degrees. If so, there might not be any “problem” with your AC system. Since we are asked this question so often though, we do have a few good answers ready to go. Simply put, our results speak for themselves, and we'd be happy to help. The larger the tonnage the more cooling it can provide in a certain timeframe. 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). Ok, go down to the furnace and find the two refrigerant lines connected to the 'A coil' on top of the furnace. 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