Tip #4: What to do if your furnace stops working.
While you should leave furnace repairs to trained heating professionals, there are a couple things you may want to try first before paying for a service call.
- Thermostat Settings: Start by checking the thermostat to make sure it’s turned on, set to heat, and at the right temperature. Also, make sure the programmable feature found on most new thermostats isn’t set to turn the furnace off. Many new thermostats are battery powered and will stop working when the batteries run down, so replace the batteries to see if that solves the problem.
- Power Supply: Next, check the circuit breaker or fuse that supplies power to the furnace to see if it’s tripped or blown. If it is, turn the breaker back on or replace the fuse. Keep in mind that it probably tripped for a reason, so if it happens again have a HVAC pro check it out.
- Reset Button: Your furnace may have a reset button. Start by turning the power to the furnace off, then look for a red or yellow reset button. You will probably find it under the cover on the furnace motor. Press the reset button, replace the cover, and turn the power back on to see if that fixes the problem. If the reset button trips again, call a HVAC pro to fix the problem.
- Pilot Light: If your furnace has a pilot light, check to see if it’s gone out. If it has, relight the pilot following the instructions in the owner’s manual.
Your furnace needs to be inspected regularly to operate at maximum efficiency. The best time to have your furnace inspected is in the fall to make sure it’s in top shape for the cold winter ahead.
You can also have your furnace inspected at the end of the heating season when heating companies are not as busy and you may receive an off-season discount.