Why Your Aircon is Not Blowing Cold Air When your air conditioner is not cooling your home or office there are a few things it could mean. Here is a closer look at air conditioner troubleshooting, not cooling reasons. 1) Faulty Thermostat The cause of your air conditioner not blowing cool air anymore could be a faulty thermostat. Sometimes people knock the thermostat without realising and change the setting, or it could be a problem with the wiring or batteries. That may be the reason why the refrigerated air is not cooling. 2) Congested Filter While some AC units do not have this, there is a mechanism in some that means when the filter becomes too clogged they shut down and so you find your home cooling system not working. It stops the unit from overheating and the motor from being damaged. When the filter becomes clogged there is not enough air flowing. As well as having an air conditioner not blowing cold air but running you might have an increase in dust in the room. 3) Ice Buildup Ice buildup happens for two reasons. The filters are dirty or the coils are dirty. That leads to poor flow of air and poor refrigerant so then you have your ac is on but not blowing cold air. If you are wondering why is my central air not cooling this is something to check. 4) Dirty Condenser The part of your air conditioner that sits outside is the condenser. Being outdoors means it can quickly get dirty. That is when you might find your air conditioner not blowing air, or not blowing any cold air at least. It happens because your air-con has to work even harder to pull in air and then cool it. A dirty condenser is a similar problem to when you have a clogged filter causing your aircon not blowing cool air. 5) Refrigerant Deficiency or Leak It is not accurate to think that coolant goes but it is possible for slow leaks to cause an air conditioner not cooling like it used to. If you are looking into reasons for my air conditioner is not cooling well and have checked other more obvious things then a refrigerant leak is another possibility. 6) Irregular Power Supply Sometimes it is the simple or basic things that might cause your aircon not blowing cold air like something wrong with the power supply. 7) Compressor Circuit Problem The area around the compressor needs to be kept clean and protected during the winter. Over time dirt, debris and more can build up and affect how well it operates and have your air conditioner not blowing cold air but running. If you have refrigerated air not cooling this is another area to check.
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