• GBT Heating & Cooling

5 Common Furnace Repair Problems

When a furnace malfunctions, almost anything can be at fault, including poor design, or inferior parts used during the installation.

But let’s assume that yours was installed to perfection but has recently give you cause for concern. More specifically, you’re wondering “what the heck is going on?”, or words to that effect.

Here are the five most common furnace repair problems and what the logical next step probably should be:

  1. Dirty or clogged filter. When was the last time you had your furnace professionally cleaned and inspected? If you can’t recall, then the answer is “it’s been way too long.” Once a filter becomes clogged with dirt, dust, and other debris, airflow is restricted, thus forcing your furnace to work harder than it otherwise needs to. In fact, before calling us to report a repair problem, check your filter and clean or replace it if needed. That might be all the “repair work” it needs.

  2. Pilot or ignition control problem. If your furnace has a pilot light and you’re not getting enough heat. Check the pilot light to see if it’s on and, if so, that the light is blue. If it’s off or burning yellow, give us a call to have that problem fixed. Same goes if your furnace won’t turn on at all and yet it’s plugged in, turned on, and the breaker hasn’t flipped. In that case, your electronic ignition may have to be replaced.

  3. The blower runs continuously. Blower issues may indicate a problem with the limit switch, one that may need to be replaced.

  4. Mechanical wear and tear. If you’re still searching for a perpetual motion machine, we assure you it’s not your furnace. Even the best made brands have about a 15-20-year lifespan. So, if yours is getting up there in years, any problems could indicate a gradual breakdown. And then it’s time to consider if repairing it is the wise course vs. replacing it before things get any worse.

Here at GBT Heating & Cooling, we are furnace maintenance, repair, and replacement professionals. Call us today for the service you need, when you need it. In return, we’ll give you a guaranteed upfront price quote for you to approve so there won’t be any surprises later on. Plus, we guarantee your satisfaction with our work.

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Spring Hill, TN 37174

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