Tackle Common Furnace Problems with These Troubleshooting Tips

A cool San Antonio winter requires a furnace that always works when you need it. However, when furnace problems happen there are troubleshooting steps that may get the system working again before you have to call for repair.

  • Check the power: Check all power switches and electrical connections to make sure they’re turned on and working properly. Also, make sure the circuit breaker for the furnace has not been tripped. Reset the breaker then to see if this turns the furnace back on. Repeated tripping of the breaker could mean a serious electrical problem that needs professional attention.
  • Check the thermostat: Make sure the thermostat is switched to a temperature that’s seasonally appropriate and higher than your room temperature. Move the settings a few degrees to see if this kicks the furnace on. If your thermostat is a programmable model, also check that it’s set to the “heating” function and that it’s receiving power. Change the batteries if required.
  • Check the pilot light: Older HVAC systems could have a pilot light that provides ignition for the fuel the furnace uses. The pilot light should be lit and if it’s not, re-light it (or get a professional to help do this). If your furnace has an electronic ignition, make sure the unit is working properly.
  • Check fuel supplies: Check to ensure your fuel-burning furnace is receiving fuel, either from its local utility connection if it is a gas furnace or from the fuel storage tank if it is an oil furnace. Additionally, make sure the utility gas supply is on and there is fuel in your oil tank. Check valves, fuel lines and any related parts to ensure fuel is flowing to the furnace.
  • Check air filters: Make sure the air filters aren’t dirty and interfering with airflow. Put in fresh, clean filters.

 

Contact us at Airtron San Antonio for more information on furnace troubleshooting and for help with any problems.

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