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5 Common Furnace Problems That Can Leave You Out in the Cold

Dec 6, 2018
Nelson Comfort - HVAC Systems

Waking up shivering in sub-zero temperatures is a terrible feeling. But what’s worse is when you realize that your furnace is out of commission and you’ll be experiencing the cold shoulder from your family for a long, long time.
Here are some of the worst problems that can plague your furnace:

Dirty/Clogged Filters: Your furnace filter cleans the air, removes contaminants and allergens and sends warm air into the house. But when that filter is clogged, it not only prevents your air from circulating properly, it also adds substantially to your energy bill. That’s because when your air filter is blocked, you air handler must worker harder to compensate the blockage but it will still produce less warm air. This overwork can also make your heat exchanger overheat and suddenly shut down.

Mechanical Wear and Tear: You can extend the life of your furnace well beyond the original warranty if it is properly maintained. It also means it is going to be working for a long time and that naturally causes a significant amount of wear and tear. Furnaces are made up of several mechanical units and if even one of them fails to work properly, it can cause issues for the entire system. From airflow blockage to overheating to a complete shutdown, unchecked wear and tear can cause problems to your furnace.

Pilot Control or Electrical Ignition Problems: A damaged ignition or pilot function can make it next to impossible to heat up your home. Heavy winds or clogs in your heating system can result in your pilot light’s failure to start. You may also need to change a faulty thermocouple if your pilot light keeps turning off. Be sure to call an expert in your area for any electrical issues that your furnace may have. Nelson Comfort is a locally owned and family operated business that has been a trusted leader for decades.

Faulty Thermostat: Your furnace thermostat determines how much heat is needed in your house. But sometimes, a faulty thermostat can cause your furnace to produce too much or too little heat. Some of the most common problems associated with a thermostat are tripped circuit breaker or blown fuse. Your thermostat components may also be dirty or may have faulty wiring and loose connections, which can cause a disruption in the service. Old parts and a bad battery can also result in a broken down thermostat.

Weird Noises Coming From the Duct Work: Have you ever woken up in the middle of the night to strange rattling, popping and squeaking noises coming from your ductwork? This could point to mechanical problems, issues in the airflow, a blocked burner or lack of lubrication in the blower motor. If you hear a rattling noise, your furnace may have loose panels that may need to be tightened. A squealing noise may indicate the belt that connects the motor to the fan has slipped or needs to be replaced. A grinding noise may mean your motor needs to be repaired.

All of these issues are actually minor problems and can easily be fixed if you have your furnace system maintained periodically. But if they are allowed to exacerbate, you may soon be in need of a very costly new furnace.
Although, it may be tempting to do DIY repairs on your HVAC systems, it is important to have the required skills to detect its issues. Additionally, amateur handling of furnaces can be dangerous, especially if you have a gas leak. Your best option is to contract a professional from a heating and cooling services provider who can get the job done for you. Schedule a routine checkup with Nelson Comfort and keep your family safe and warm this winter season.

About The Author

Dan Detmer
Dan Detmer is the owner of Nelson Comfort. Dan was born into the heating and cooling industry, coming from a family of well respected HVAC contractors in Dayton, Ohio. After working in the family business, Dan decided to work for a local HVAC wholesale business helping local contractors grow their business. When he felt his heart moving him back into the residential and light commercial business, Dan joined the Mortimer Heating & Cooling team in Cincinnati, where he had called home and become part of the community for several years. After a short period of time Dan purchased the company and created what is today, Nelson Comfort. Today he operates a company based on integrity, honesty, and stellar customer service. If you have any questions feel free to tweet (at sign) NelsonComfort and we will get right back with you!
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