There are many reasons why your central air conditioner may not work.
Central air conditioning use compressors, condensers, evaporators and refrigerant to cycle the air inside your home. The very basic idea of how central air conditioning units work is that they cycle the warm air out of the house.
Need for Cleaning
If your air conditioner does not cool properly, but is still blowing air, the outside condenser unit may need to be cleaned. Dirt, leaves and other debris can become clogged in and around the unit, causing it to malfunction.
Clogged Air Filters
If you do not change your air filters within the recommended time periods, they can become blocked with dirt and dust. The clogged filter restricts air flow through the system and you may feel little to no air actually coming from your vents.
Air Conditioner Freezing
Sometimes your air conditioner may freeze and ice may form around the components. The inner coil may freeze if your compressor runs but the evaporation fan doesn't.
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