Troubleshooting Your AC: What to Check When It's Running But Not Cooling

When you notice that your house is heating up more than usual, the first thing you should do is check the thermostat settings. If the thermostat is set incorrectly, your air conditioner may not be cooling properly. You should also locate the air filter and inspect it for dirt or debris. If there is a decent amount of dirt or debris, replace the air filter.

Next, make sure that the thermostat is turned on and in “cold” mode. If it is, but you still don't feel the cold, then there may be another issue. A triggered switch could be responsible for the lack of power in the air conditioning unit, preventing it from cooling your home. The air conditioning condenser is located outside and can be affected by natural elements.

If you notice that your air conditioner is working but not cooling, you should also check for any leaking ducts in your home and seal them if necessary. Additionally, you should disconnect the power to the air conditioner on the switch panel, press the unit's reset button for a few seconds, and then turn it back on. If the air controller is buzzing or making strange noises but not running, it's likely a problem with the engine itself. You should check both the return ventilation that draws air from the house to pass through the cooling system and the air treatment system itself.

If none of these things make the air controller work, it's probably a problem with the condensate pump switch. It's best to have a professional HVAC technician from DeZiel Heating & AC take a look at this issue. Finally, if your air conditioner is more than 10 years old and not venting cold air, you may need to buy a new system as it could have a broken compressor. However, if none of these issues are present, then changing the filter, checking settings or cleaning coils can help get your air conditioner back up and running quickly and keep your house cool.

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