How to Diagnose HVAC Problems

October 19, 2016

If you’re having an issue with your heating or cooling system, there are some things you as a homeowner can do before deciding whether to call in a professional. Check the Breakers The first step is to check the power. Locate the fuse box and examine the breakers. Look to see if any of them are flipped in a different direction than the rest. Both the furnace and air-conditioning unit should have independent breakers that are (hopefully) labeled. If the breakers look normal, flip the switch for whichever unit is not working properly. Wait about 10 seconds before turning it back on. If you’ve got fuses instead, switch off the main power to the box and replace any blown or burnt fuses. Check the Thermostat If that does not solve the problem, check the power to the thermostat. Most models receive power from your home’s electricity, but some rely on batteries. Switch the batteries if you can. If there is still no power, it may be the cause of the issue. It Could Be the Filters It’s also important to check the filters. If they’re clogged, broken, or incorrectly sized, they could restrict airflow. This puts extra stress on the...

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