If however, you set the temperature right and the AC keeps blowing out hot air, then it is possible that the problem itself is in the thermostat. As part of the outdoor unit, they are frequently exposed to the elements and over time, dirt and grime accumulate on the coils. More often than not, the best way to solve this predicament is to ask help from a professional. It can also lower your energy costs. If your AC is blowing hot air, the thermostat may have been accidentally set to “heat.” If this is the case, it’s easy to fix on your own. Although it’s almost always in your best interest to contact a professional when in need of air conditioner repair, there are some is some maintenance you can try while you wait for your professional to arrive. If there is a sudden climb in your energy bills this summer, you may want to check on your home’s ductwork. Here are the steps involved: Turn off the power to your unit. Like we talked about, to have a good cooling inside the car and not the undesirable hot air, we need a constant pressure. Aside from extending the lifespan of your AC, it can reduce your energy bills by improving your unit’s energy efficiency. It is important that warm air gets to circulate around the coils for them to work properly. Cut the power supply either from the junction box next to the unit, or from the circuit breaker in the home. If the problem persists, you may have your thermostat replaced or recalibrated. As the air conditioning system cools down, the blower fan pulls the warm air from inside of your home, runs it through the air conditioning system, and then blows the now cool air back … This means it’s important to be able to recognize the signs of low refrigerant. If the blockage is visible when you look at the drainpipe, you can remove it manually wearing protective gloves. R37 Plumbing ROC #326384. When this happens, you’ll feel nothing but warm air. Refer to the list above for more information about the other possible causes of an air conditioner blowing warm air. © Copyright 2021 ABC Home & Commercial Services All Rights Reserved. Before we begin, it’s important to have a good understanding of the air conditioning system. The moisture that the AC removes from the air is supposed to be expelled through a drain line. In order to clean it, you will first need to turn it off. Finding the leaks and repairing holes can be time consuming and expensive. If not promptly fixed, it may even cause damage to the compressor motor. It shuts down the entire system once a water leak is detected, saving you a lot of stress. JAVIER GOVEA MEMBER; 1999 MERCEDES BENZ CLK430 ... it sat for about thirty minutes but still blew hot when started up. This condenser has cooled and fans to push the air through. Do not forget to shut off the power before cleaning. 10 causes why AC blows warm air. However, you'll need a professional to figure out if this is the problem. This will allow the ice to melt. Have your AC technician tune up and inspect your system every spring, before powering it up for the first time. Remember, refrigerant isn't used up like gas. Fresh air can’t make it inside the unit and it starts to struggle. Clogged filters. If you detect either of these noises coming from your air conditioning unit, you’ll want to call a licensed professional to come take a look. For dirty blades, you can clean away any debris and dirt using a vacuum and a soft cloth. This then leads to the evaporator coils freezing, resulting in your house AC blowing warm air. With the temperature reaching 110 degrees from June to August, you will definitely need your unit working and in tip-top condition. This works for both split and window AC. Over time, dirt, pollen, leaves, rain and other debris can make your condenser coils dirty, making it difficult for them to work properly. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. Simply flip the thermostat setting back to “cool” and see if the air conditioner begins to blow cool air again. 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. Refrigerant relies on pressure to shift between liquid and gas forms. Losing refrigerant means losing your cool. This is why it can come as quite a shock when you step through your door only to find that your house is warm. Check out these AC specialists in Phoenix, AZ. If I'm parked it will get warm and sometimes it stays blowing cold. Your air conditioner’s condenser coils are responsible for removing heat from air and expelling it outside your house. #326306 When your air conditioner coils are covered in dirt and debris, heat may not be transferred out of your home properly. 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. Dirty air filters cause warm air just like blocked air returns do. This can easily happen on accident when cleaning or when kids are playing nearby. AC blowing warn air intermittently. Your energy savings will make the price of getting one worth it. However, if you’re dealing with a refrigerant leak, there could be more serious consequences. Clogged air filters can cause various problems in your unit. This way, you may never have to deal with an AC unit blowing warm air at the height of summer again. You’ll need a visit from an HVAC professional to make this furnace repair. A home’s outdoor unit runs on a separate electrical supply than the fans inside the house. Cause other problems, too much refrigerant flowing into the air flow through the walls and,! 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