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Why is my air conditioner blowing hot air?

Air conditioning can be essential on a hot summer day.

Nothing is worse than hot air blowing from your AC.

We all expect that sound of an air conditioner working to mean a nice cool breeze and a comfortable indoor temperature.  So why would an Air conditioner blow hot air?  Well there are several reasons, some almost silly and some serious.  Here are a few of the most common reasons that you aren’t feeling that refreshing chilly air.

  • Thermostat Setting:  Did your thermostat somehow get reset?  Make sure you check that your thermostat is set to cool!  If the settings were changed, your air conditioner could be working perfectly, it may just not be on!  HVAC systems will usually have several settings and although the sounds they make may be the same when they are working they all have very different functions.  Make sure you don’t have yours set to a heat or fan mode.
  • Restricted Airflow:  If there is something restricting the Airflow in your HVAC system there the cool air being produced by your air conditioner may not be making it through your ducts into your house.  The main culprit for this is an Air Filter that needs to be changed.  If a filter hasn’t been changed in a long time it can get very dirty and clogged which will stop the airflow from your AC.  It is relatively easy to change a filter yourself, and could easily fix the problem.  A dirty air filter can also make the coils in your AC dirty and that will require professional maintenance.
  • Electric Issues: Most air conditioners have two parts, and indoor and an outdoor unit.  If the electricity is cut off to the outdoor unit you may be getting warm air blown into the house.  An indoor unit will often be on a separate breaker from the outdoor, so the fan will keep blowing air even if the AC isn’t actually functioning.  Check your outdoor unit to see if it is actually on and functioning.  If it doesn’t seem to be you can also check the breaker and see if it has been tripped.  If the breaker has been tripped there is probably a bigger issue involved and you should seek help from a professional.
  • Low Refrigerant:  From the cheapest air conditioner to the most elaborate, they all use some kind of refrigerant (usually Freon).  A Freon leak can leave you feeling the heat since you will have a complete loss of cold air.  A Freon leak will be obvious if you see ice formed on the inside and outside of your unit.  There are also a few other reasons your AC could be low on refrigerant.  If that is your issue, a recharge and maintenance will be necessary and you will definitely need to seek the help of a professional.

Hopefully we have given you a bit more of an idea what is going on.  If you decide you need professional help fixing your Air Conditioner in Clarksville, Tennessee  or the surrounding area, contact Action Air.  Our experienced technicians are on call Monday – Sunday 8am to 8pm and we have emergency service 24/7!  Book an appointment online today at www.actionairclarksville.com, or give us a call at (931)-647-8525.