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Why is my furnace not kicking on?

Nothing is more frustrating than a cold house, especially when it’s supposed to be warm!  

When you walk inside from the cold winter air, you expect your house to be heated to an acceptable level. If you discover that that’s not happening, there are a few simple things you can check before calling Action Air for help.

Check Your Thermostat  

  • Is it set to the correct temperature? Sometimes the temperature setting is changed accidentally (and sometimes your spouse disagrees about how warm it should be!).
  • Try raising the temperature 5° and see if that starts the furnace.
  • Make sure the thermostat is set to heat and not cool.
  • Batteries! The most common reason a thermostat will reset itself is because of dead (or even low) batteries. Replace dead batteries and make sure you re-enter your preferred settings to start the heat flowing again.

Check the Circuit Breaker

  • Electrical service at your home, or the installation of a new appliance such as a water heater, will require the circuit breaker to be turned off. Check to see if it was turned back on.
  • Sometimes the blower on a furnace will be on a separate circuit, so check so see if other circuits are off as well.
  • If any of these are in the off position, turn them back on. Only do this once for safety. If they turn off again, it is probably time to call for help.

Change your Air Filter

  • If your filter is clogged or covered in too much debris, air flow may be seriously reduced.
  • A clogged filter can also cause a furnace to overheat. This in turn will trigger a safety feature that will shut off the furnace. This is meant to prevent the danger of a fire or carbon monoxide poisoning.

There are many things that keep a furnace from blowing, but these simple solutions are a good start to getting your heater running again. If you have taken these troubleshooting steps and your heating system still does not start, contact us.  

If these tips don’t take care of your heating issues, our experienced HVAC repair team has the safety equipment and tools to inspect your entire heating system for signs of problems. We are certified to work with gas lines and have the training and protective gear to do so without injury. The team at Action Air is experienced in working on all types of gas and electric heating systems. No heating problem is too complex for our professional staff, so give Action Air in Clarksville, TN a call at 931-647-8525 today!

 

Sources:
Air Master
Bob Villa
ASM Air
Family Handyman