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furnace not working in man's homeIt’s the worst fear of many homeowners in Longmont and the surrounding areas during the cold winter months: setting your thermostat to a certain temperature only to have the house still feel cold and drafty. It’s then that you need to find a Longmont furnace repair company. A broken thermostat can make the entire house frigid and uncomfortable. So if your furnace isn’t turning on, this article is for you. Here are five common possible reasons your furnace isn’t heating your house.

The Thermostat Isn’t Set Properly

If your furnace isn’t working, the first thing to do is check the thermostat. The furnace won’t turn on if the thermostat doesn’t tell it to. Check that the thermostat is turned on and set to the heat setting. Set your desired temperature for the house, which should trigger the furnace to turn on if the house is colder than the set temperature. In many cases, a furnace that appears not to work is simply the result of a thermostat on the wrong settings.

The Furnace Is Dirty

A furnace is a delicate machine, and extra dust and debris can cause it to shut down. If the thermostat is turned on but the furnace still doesn’t work, the first thing to check is the furnace air filter. A dirty air filter makes it difficult for the furnace to push air through the house, which can make it work harder and cause it to shut down. With a clean air filter, the furnace should be able to work much more smoothly. Change your air filter every three to six months, and more often during high-use seasons like summer and winter. If you have people in the house with allergies or sensitivities, you should change your air filter more often to keep the air clean and the furnace in good working condition.

The Power Supply Is Out

The furnace won’t turn on if it doesn’t have any power. Start by making sure the furnace’s power switch is in the on position. Check to make sure the furnace’s circuit breaker is turned on and that a fuse hasn’t been blown. If it has blown, try resetting the circuit breaker. Older furnaces often have a pilot light that provides heat. If that light has blown out, the furnace won’t turn on. Most pilot lights can be re-lit with a match or lighter. Gas furnaces are powered by natural gas, so check to make sure the gas valve is connected properly and turned on.

The Blower Motor Is Faulty

One of the most important parts of a furnace is the blower motor, which pushes the warm air through the house. This piece is also delicate and can become damaged by debris or get overworked by a dirty or old system. Most furnaces have an indicator light on their blower motor. If the light is red or not blinking, it likely means there is an issue that needs professional attention.

The Furnace Is Broken and Needs to Be Repaired

A furnace has lots of detailed pieces, and one of them breaking or coming loose can cause the entire system to break. If you’ve tried all of the checks and repairs you can do on your own, it’s time to call an HVAC professional to look at the system. With their advanced tools and expertise, they will likely be able to pinpoint the cause of the problem and repair or replace whatever parts of the system are broken.

If your furnace isn’t turning on, it could be due to a number of reasons. Start with these five reasons your furnace isn’t working to check for potential DIY fixes and get professional help from Longmont furnace repair technicians. Without a working furnace, the winter can seem even colder and longer, so take time to invest in your furnace and take care of it all year round.