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You feel a bit of a chill in the air, and you go to kick on the furnace, knowing your home will get warm and cozy in no time. A few minutes go by and you pass by a vent only to feel cold air coming out. If this happens to you, don’t panic – our furnace repair company in Garner is sharing some troubleshooting tips to get your furnace functioning as it should in no time.
Check Your Thermostat
This may sound obvious, but your thermostat could be the source of the problem. First, make sure it’s set to heat, then check to make sure it is on “Auto” rather than “On.” The difference is that when your furnace is set to “On,” it will blow continuously, regardless of whether the furnace is actively heating the air. With “Auto,” the blower will only run when the air is heating, ensuring that only warmed air will come through the vents.
Change Your Air Filter
It’s a good idea to change your air filter every month or so, especially when you’ll be using the furnace. If the filter is dirty, the air flow is choked off, causing the furnace to overheat. When this happens, a safety mechanism is triggered, shutting off the burner. The air will still blow, but it won’t be heated. Turn the furnace off, change the filter, then turn it back on, and see if that helps.
The Pilot Light Has Gone Out
If your furnace is older, it may have a continuous pilot light, and, if there was a draft at some point, the pilot light was blown out. If this happens, the burner can’t ignite, and air can’t be heated. Check your furnace to see if you can tell if the pilot is lit, and, if you are comfortable doing so and know what to do, go ahead and relight it. If you don’t know how to do it, a quick call to a furnace repair company will have it up and running in no time.
If you do try and light the pilot, and it won’t ignite, the problem may be the gas valve is off or the pilot is dirty. First, check to make sure the gas valve is on. If it is, and it’s not lighting, the pilot may need to be cleaned or the thermocouple ( a sensor that controls the gas valve and ignition) needs to be replaced, in which case, calling a professional is your next step.
Faulty Duct Work
Your ducts are responsible for transferring heated air from your furnace through your home. If your ducts are older and have cracks or leaks, cold air from your attic may be seeping into the ductwork and overpowering the warm air. Having your ducts cleaned and repaired will prevent leaks and ensure clean, comfortable air is traveling throughout your home without interruption.
Clogged Drain Lines
Newer furnaces have condensate drain lines that are similar to those found in air conditioning units. Just like in AC units, the furnace’s condensate drain lines can get clogged, and if they do, the burners won’t ignite. Removing the clog will require a professional furnace repair technician.
Call Our Furnace Repair Company Today
If your furnace is blowing cold, or there’s something else wrong with it, we can help. Our experienced team works in South Raleigh, Garner, and the surrounding area, providing effective repairs that will restore cozy comfort to your home. Give us a call today at (919) 679-9756 or fill out the form below to learn more.
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