The furnace is running, and all of a sudden, POOF—the warm air disappears!
At one time or another, everyone has experienced this frustrating scenario. This is particularly true for units that don’t receive regular check-up and maintenance.
When your furnace stops working, here are the five things you need to check:
The problem doesn’t always start in your furnace when it stops working. Sometimes, it’s in the thermostat! Check if the device is set to “heat” and if the setting is enough to activate the unit. Then, wait for the furnace to heat up and the blower to come on. Also, don’t forget to check the thermostat’s batteries as they might have drained over long use.
If everything in your thermostat works well, then check if the unit’s power is switched to ON. You can find it at the side of the unit or on the wall that’s mounted like a light switch. Some units’ switch contains a fuse, so check if it is burnt or blackened. If so, then call a professional technician immediately to repair the switch.
If your switch is set to ON, but the unit still fails to kick in, then check your breaker. If the breaker is tripped, reset it. Sometimes, a simple resetting can get the unit back in proper function. But remember, a tripped breaker indicates a serious problem with your unit’s electrical system. It is advised to bring in a professional electrician or HVAC technician to repair the unit.
The air filter in your furnace traps dust, dirt, and other tiny particles. If it is not changed regularly, the air that flows through your unit can be restricted. It can encourage the heat and pressure to build up to dangerous levels. When this happens, your unit may work erratically. Be sure to change the filter regularly to avoid costly issues over time.
Gas furnaces come with pilot ignition. It is a safety feature that ensures gas does not flow through the unit’s burner before the ignition occurs. The pilot light needs to stay on to keep your unit working. If it’s off, contact a licensed technician to check and troubleshoot the unit.
A failing furnace might be the last thing you would want to experience in the freezing days of winter. Our troubleshooting tips above can be helpful in getting your furnace back in proper function again. But if your unit needs more than just simple troubleshooting, bring in the pros.
Contact TemperaturePro DFW for professional furnace repair in Dallas-Fort Worth Metroplex area.
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