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How to Know If Your Furnace’s Thermostat is Bad

Problems with your furnace can happen suddenly, without warning, as when your furnace won’t operate at all, or it could be more gradual. Perhaps it seems to take forever to warm up your living space, or, maybe, your home is stifling and seems to frequently feel overheated. Your furnace may run , long after your home is heated, making you and your family uncomfortable and driving up your home heating costs. Whatever the circumstance, the likely culprit might be nothing more than a faulty thermostat.

Those littlegaugesand dials, whether analog, or digital, that sit somewhere on a wall in your home, control so much. Frequent adjusting of the temperature does a lot more than cause the occasional family feud. Moving the temperature of your furnace thermostat can actually rob your heating system of that which you value most-reliability.

If your furnace is under-, or, over-heating your home, it may not be time to replace your entire heating system. In fact, there’s a very good chance the reason your furnace has momentarily become unreliable is due to a problem with your thermostat. The good news is that a thermostat issue is usually pretty easy to remedy. Here’s how to know if your furnace thermostat is bad.

  • Check the thermostat switches to make sure they aren’t loose or broken. Many older thermostats, especially the mercury and analog models, have plastic parts which can snap off or break. If there’s any play or give in the temperature adjustment switch, you will need a new thermostat to guarantee efficiency and reliability of your furnace.

  • Remove the cover to your furnace thermostat and eyeball the interior. Is there a lot of dust, or grease, build up on the inside? Using a can of compressed air, available at office supply stores, gently spray the dust. You can also use a small, soft paintbrush to get into the tight spots.

  • Look closely to see if there are any loose wires, or broken components in the thermostat unit. If so, your unit will need to be replaced.

  • Using an electric controller, check to see if the internal battery within your furnace thermostat is discharged. If so, you will need to replace the battery, using your thermostat’s owner’s manual as a guide.

  • Once you’ve looked over your thermostat, and ensured there is nothing amiss, turn your furnace back on and wait to see if it’s working properly. If your furnace doesn’t engage, shuts off suddenly, or runs without normal interruption, it would be best to replace your thermostat.

Furnace Repair in Baltimore, MD

Many homeowners will replace, or repair their furnace thermostat as a DIY project, but it is not a simple fix for those unfamiliar with the process.For those who feel a little unnerved dealing with electrical components of your home heating and cooling system, or, if you aren’t 100% sure the problem is with your furnace thermostat, call the professional HVAC specialists at Air Plumbing & Heating Solutions for furnace repair in Baltimore, MD.

Air Plumbing & Heating Solutions has been the go-to company for service and repairs, installation and maintenance of heating, cooling and plumbing systems in the greater Baltimore area for over three decades. With our fleet of fully stocked repair vehicles, and our 24/7 service center, you can contact Air Plumbing & Heating Solutions for all of your home HVAC service needs. For furnace thermostat, or any heating problems, contactAir Plumbing & Heating Solutions. Don’t be left out in the cold.

 

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If you need immediate service, please call (410) 702-4219 and follow the prompts for emergency service.

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