1797 Park Drive, Traverse City, MI 49686
Phone: 866-BOB-HEAT

Gas Furnace Problems? Try This Troubleshooting Guide

Gas Furnace Problems? Try This Troubleshooting GuideYour furnace will typically last among 18 to 25 years, especially if regular maintenance is performed. But during this time, you may experience some problems that can be corrected without having to call in a professional. These gas furnace problems can be attended to if you know what causes them and how to fix the issue. You don’t have to have any vast knowledge of your system, and many of these gas furnace problems won’t cost much to get them taken care of either. For example:

  • If the furnace is cycling on and off frequently, or if you aren’t getting enough heat, change the air filter. A clogged air filter inhibits airflow into your home, and even though the furnace is working fine, the fan won’t be able to push the heat through the ductwork. The furnace may short-cycle to compensate, and there won’t be enough airflow. Always change the air filter every three months, and check it monthly, especially in homes with smokers or pets.
  • The furnace won’t come on. First, make sure the furnace breaker hasn’t tripped, then check the batteries if you have a programmable thermostat. Also, make sure the gas valve is in the “on” position. If you have an older furnace, check to make sure the pilot light is still lit.
  • The fan runs constantly. Make sure your thermostat is set to “auto” and not “on.” If that isn’t the cause, reset the furnace fan limit control switch by turning the main power to the furnace off, wait 30 seconds and then flip the power back on.

If you have gas furnace problems, most of the time it is a simple fix that virtually anyone can do. None of the fixes take a lot of time, and most of them can be done without spending so much as a dime.

But if you have more questions about what to do when your furnace stops running, or if you have a problem that won’t respond to any of the fixes above, please contact Team Bob’s Heating Cooling Plumbing. We’ve been serving Northern Michigan for over 30 years.

Our goal is to help educate our customers in Traverse City, Michigan and surrounding areas about energy and home comfort issues (specific to HVAC systems). For more information about gas furnaces and other HVAC topics, download our free Home Comfort Resource guide.

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