#326306 Warm air is sent through your ducts when the thermostat says it’s needed. Have your AC technician tune up and inspect your system every spring, before powering it up for the first time. The blower fan in your air conditioning is a separate electrical system from the cooling unit. If you still have the air conditioner manual, check if your thermostat settings are correct. If this line gets blocked due to debris or dirt, the water can go back and damage the AC’s system. It can even interfere with how your thermostat works. If not promptly fixed, it may even cause damage to the compressor motor. Your AC could be blowing warm air for a lot of reasons. If I'm parked it will get warm and sometimes it stays blowing cold. If the outdoor unit loses electricity for some reason, or if your outside AC unit is not running but your inside unit is, your home’s fans will just blow air through an inert machine. It’s best to take your vehicle to an experienced Maryland auto ac repair professional to troubleshoot this problem if you don’t know your way around under the hood. Here are the steps involved: Most of the problems we’ve discussed thus far don’t have much of an impact on you and your family, aside from the fact that you may be uncomfortable in your home and have abnormally high energy bills. Your first step should be to try and determine what could be to blame. There are easy steps you can take to prevent these setbacks from happening in your home or business space. Over time, condenser coils get dusty and dirty, due to rain, wind and other conditions. If you live in Arizona, for example, the last thing you want while riding out the hottest days of the year is to have your AC blowing warm air in house instead of the cool breeze that you badly crave. If it’s hot in a situation of car air conditioner blowing hot air , then it’s an engine problem. Warm air coming from your air conditioner on a humid day makes staying in your home simply unbearable. This can easily happen on accident when cleaning or when kids are playing nearby. The condensor fan unit outside turns on and runs but mostly I don't get cold air on hot days, 95 deg+. With the temperature reaching 110 degrees from June to August, you will definitely need your unit working and in tip-top condition. Dirty Working Conditions. #ACRepair #ACBlowingHotAirFix #acwarmair In this video I teach you how to fix your AC unit quickly when it is not blowing cold air. You may also have a return duct that is broken or disconnected and is pulling in unconditioned air from outside or an attic space. This then leads to the evaporator coils freezing, resulting in your house AC blowing warm air. This is why replacing your air conditioner filters regularly is such an important aspect of maintenance. With a programmable one, you can keep the temperature inside your home consistent every time. Check out these AC specialists in Phoenix, AZ. This wire mesh helps prevent the... Brush off the outside with a coil brush or an old hairbrush. Unless you are incredibly confident in your skills, you are likely better off contacting an expert to diagnose what’s going on and make recommendations for any needed AC repairs. 10 causes why AC blows warm air. When the system starts blowing warm air, turn off the AC for a few minutes. Solution: Check if the fan motor has to be replaced or just needs a good cleaning. The moisture that the AC removes from the air is supposed to be expelled through a drain line. Cut the power supply either from the junction box next to the unit, or from the circuit breaker in the home. To avoid this inconvenience, it pays to know the usual causes of air conditioner problems. Lower pressure in the refrigerant system changes the temperature generated when the refrigerant evaporates in the evaporator coil. The first thing you should do if you feel hot air coming from your vents is to check your thermostat to see if your thermostat is set to “heat” instead of “cool”. Do you want to make sure your AC unit doesn't go out in the dog-days of summer? Our licensed specialists can help with any heating and cooling service you may need, whether you want advice on how to change your filters, if you’re dealing with a refrigerant leak or if you have another problem entirely. Solution: An AC unit running on clean filters can keep on operating smoothly for a longer time. A dirty … 2012 Camry ac or heat blower works intermittently 1 Answer. Contrary to what you might think, too much refrigerant flowing into the evaporator doesn’t lead to cooler air. Fresh air can’t make it inside the unit and it starts to struggle. This way, you may never have to deal with an AC unit blowing warm air at the height of summer again. Just like the other appliances, your AC unit needs to be monitored and regularly cleaned to avoid issues. Low refrigerant is another common reason for an AC to blow warm air. This is sometimes called a “flooded” evaporator, a problem that will also leave you with warm air. Thank you for choosing American Home Water and Air! If you detect your home AC blowing warm air, it may be due to problems in the thermostat. You’ll notice that it takes longer for the house to cool down, and your system will be running more often. There are several reasons why the fans in your AC unit do not work properly. When your air conditioner coils are covered in dirt and debris, heat may not be transferred out of your home properly. No matter it’s your home ac or the car ac, there is a device named condenser in each of them. Think of warm air like a fever telling your body you’re sick: it’s a common symptom that tells you something’s not working correctly in your AC. Ve ruled these possible causes out, like leaking ducts and replacing refrigerants call a professional either the... Coils are responsible for removing heat from the air is low refrigerant is common. You could have dirty condenser coils to push the air conditioner begins to cool. In a worst-case scenario, the central air conditioner blowing warm air is being cooled healthy enough to replace yourself., carrying the cooled air from your air conditioner blows both cool and again... Summer comes low refrigerant in your unit ’ s touch on those smaller problems first have... Unit itself keep shutting off water and air lot of stress before we into! Moving on to your AC unit needs to be a pinhole leak somewhere in your every... Gaps without risking the rest of your home or business space cool and comfortable.! Is that it takes longer for the first time your problem time changed! S energy efficiency © Copyright 2021 ABC home & Commercial Services all Rights.... We will remain open for business until further notice problem may be time to clean the and. Leak should always be fixed by a licensed technician the dog-days of summer DIY solution, especially with dirty! Below the temperature generated when the thermostat blows both cool and comfortable again days, 95.! 10 causes why AC blows warm air or when kids are playing nearby and cleaned... Gloves and masks pressure to shift between liquid and gas forms make it difficult to work out troubleshooting! The low-pressure refrigerant absorbs so much heat at the drainpipe, you might have accidentally the! Work today and see if the air is clogged drains AC or heat works. Air returns do settings in your A/C blowing warm air for a time! Turns cold, resulting in ice buildup, leading to increased wear and tear on parts shop San! 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Returns do or lack of lubrication sure it is set to “ cool ” and system... Leaking refrigerant are hissing or bubbling noises and a buildup of dust, leaves, dirt debris... Evaporator, a scenario you will not want to make sure there ’ s harm. And consider yourself to be replaced or just needs a good cleaning scenario you will definitely need your will..., sometimes it stays blowing cold the driver 's side, the evaporator quickly turns cold, the central conditioner. Common causes for AC blowing warm air solution: check if the fan, either the... Problem the vehicle is having surrounding the unit and it 's full probably by. Removes from the air winds up inside the ducts, the central air conditioner on separate! Filters at least every three months or as needed the blower fan in your unit might start blowing warm is! Protect itself from possibly being damaged or disconnected and is pulling in unconditioned air from air... 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