why does my air conditioner blow out hot air

What happens when you turn on your air conditioning unit and it blows hot or warm air? There are many reasons this might be happening. We want to keep you cool at Chaves Heating Air Conditioning, so here are a few simple things that you can check before you
or. Sometimes the simplest explanations are the hardest to see and the most difficult to remember. It is a common mistake that the thermostat is incorrectly set to вheatв when you want it set on cool. Also, check the вautoв setting or if the fan is set to вonв в this means the fan will run even if the AC is not set to cool. When was the last time you changed your air filter? The air filter protects your unit by filtering out dirt and debris from the air. If the filter is doing its job the way it is supposed to, it will collect dirt and debris and need to be replaced regularly. Neglecting to change these according to your manufacturerвs recommendation can result in hot air. Your AC unit needs both an inside and an outside unit to operate. The inside unit has a fan that blows air through the house and needs the outside unit to provide cool air for it to push around.

Check if both your inside and outside units are turned on and functioning properly. Check the outside unit for ice, which can cause a malfunction in the compression coil, hence the warm air. Also check for dirty coils, this can be another culprit for hot air. Other more troublesome problems include refrigerant leaks, bad compressors and/or electrical problems and failures. These problems require a professional to diagnose and fix. Refrigerant leaks can be dangerous, and compressors are complicated and can often be misdiagnosed if inspected by someone unqualified to do so. or for more information on diagnosing and troubleshooting your AC issues. Air conditioner failure always seems to happen on the hottest day of summer. Blowing hot air is common complaint when an air conditioner is no longer properly working. PBut what causes this problem, and what can you do about it? How Does My A/C Work? Before you can try to fix your air conditioner, it helps to know a little bit about how the unit works. Air conditioners function like refrigerators.

They take hot air from inside a room, remove the heat, and this produces cool air. There are three main parts to an air conditioner: It works like this: the refrigerant fluid flows through the coils inside the air conditioner arrives at the condenser in a cool, gaseous state. The compressor squeezes the fluid and raises its temperature. The gas is then sent into the condenser, where it is changed into a liquid and its temperature is lowered. Then the liquid is sent to the evaporator, where it s turned back into a gas. This gas extracts heat from the air. The cool air is circulated around the house by way of a fan inside the A/C. A more detailed explanation can be found online Pby the California Energy Commission. What Causes An A/C to Blow Hot Air? There could actually be a number of reasons that your air conditioner begins to blow hot air and not all these reasons are malfunctions. If your air conditioner is connected to a thermostat that controls the furnace as well as the A/C, it s possible that the thermostat is on the wrong setting. Simply adjust the setting and the unit will work.

If your A/C is a central air unit, the compressor and condenser will be located outside the house. These parts are located in the metal box with fin-like ventilation slats, usually alongside the house or on the roof. Check that the compressor and condenser have power running to them. If the power to these two parts has been cut, your air conditioner will run but will not cool the air. If you re not sure how to access the power supply on this part of your air conditioner, you may be able to find that information in the user s manual that came with the unit. The air filters prevent pollutants from blowing through your vents and into your home, and also help keep the coils clean. If the coils become too dirty, this can cause the air conditioner to work harder than it needs to cool the air in your home. The coils can freeze and that stops the unit from cooling altogether. Filters are inexpensive and available at home improvement stores. Turn off your A/C and let the coils thaw out. Then, replace your filters and clean the coils.

Freon is the refrigerant that flows from the compressor, to the condenser, to the evaporator. PIf your air conditioner is running low on Freon, this is a problem that must be fixed by a professional. If you ve tried replacing the air filter, cleaning the condenser coils, checked the power supply and adjusted the settings, then the most likely scenario is that your air conditioner is low on Freon. This type of problem should be addressed by a professional. In many cases, this is an easy and inexpensive problem to fix. Once you ve fixed the problem, performing annual maintenance and preventative care on your air conditioner will help you avoid these issues in the future. Change air filters every 3 months. Clean the coils annually. Have an air conditioner repair person service your unit once per year in the late spring or early summer. For more information about common air conditioner problems, check out this useful article on the. What are your tips for maintaining your air conditioner and staying cool this summer? Post a reply at the bottom of this page. We d love to hear from you!

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