4 Reasons Why Your Furnace is Tripping Your Circuit Breaker and How to Solve It

Tripped circuit breakers are frustrating and worrisome, namely if it seems like the furnace is the cause. If your breaker gets thrown once and regular performance starts after you reset it, there is no immediate cause for concern. In this instance, a surprise power surge is typically the reason. 

However, you can’t neglect the issue if the breaker trips over and over. This can happen with both electric and gas furnaces. After all, even gas-fired furnaces count on electricity to power the blower motor and other parts. Before you arrange furnace repair, think about the most common reasons your furnace would be throwing the circuit breaker and how you can prevent it. 

1. Overworked Furnace 

Does your furnace work for just a few minutes before flipping the breaker? This could be a result of limited airflow. A dirty filter or closed air vents require your furnace to work harder. The larger electrical draw might overload the system, strain the circuit and throw the breaker. Here are some tips to restore proper airflow and resolve the trouble: 

  • Replace the air filter. 
  • Open all air registers and make certain none are restricted by furniture, curtains or rugs. 
  • Don’t place anything against the furnace or otherwise impede airflow into it. 

2. Overloaded Circuit 

HVAC equipment does best on a dedicated circuit, but this might not occur in older houses. Review the labels on your electrical panel to determine if another appliance shares a circuit with your furnace. As a temporary measure, you can unplug the secondary item or avoid operating it while the furnace is working. A better, more lasting solution is to have an electrician put in a dedicated circuit for your HVAC system. 

3. Short Circuit or Ground Fault 

Does your furnace flip the circuit breaker right as it begins running? This is frequently an electrical issue in the furnace. An exposed wire could be shorting out the circuit when it reaches a neutral wire or leads to a ground fault if it meets a grounded wire or metal object. Either of these issues can increase the electrical draw enough to trip the circuit. You’ll want an HVAC specialist like Service Experts Heating, Air Conditioning & Plumbing to identify and fix the problem. 

4. Electrical Panel Problem 

If you eliminate any problems with your furnace, the electrical panel might be to blame. Shaky connections or damaged breakers can lead to inconsistent performance. If you own an older home, you could need to have the panel replaced if it’s obsolete, damaged or incorrectly installed. In this situation, you need help from an electrician. 

Your furnace may continue to trip the circuit breaker regardless of your efforts to resolve the situation yourself. If this occurs, leave the furnace off and call Service Experts Heating, Air Conditioning & Plumbing for assistance. Our HVAC Experts can help you find the problem and suggest the needed repair. We’re confident in our work, so we stand behind it with a 100% Satisfaction Guarantee for a year.* For more details about us, or to arrange furnace repair, reach us at 866-397-3787 today. 

*Not applicable to the Advantage Program. See your signed Advantage Program Agreement for full details and exclusions. 100% Satisfaction Guarantee is subject to certain restrictions and limitations as set forth in the applicable Terms and Conditions. 

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