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Heil Furnace Not Working
Common reasons for your Heil furnace not working
The most common reasons for your Heil furnace not working are a cut-off switch turned off, tripped circuit breaker or gas supply problem.
32% of the time it's the Cut-Off Switch Turned Off
29% of the time it's the Tripped Circuit Breaker
22% of the time it's the Gas Supply Problem
17% of the time it's the Something else
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Heil Furnace Not Working? Here’s What to Check First
1. The Furnace Cut-Off Switch Is Turned Off
Every furnace has a power switch—usually mounted on the side of the furnace or on a nearby wall. It looks like a regular light switch. If it’s flipped to Off, the furnace won’t run. Make sure it’s in the On position. If the switch was accidentally turned off, restore power and see if the furnace starts.
2. The House Circuit Breaker Is Tripped
Your Heil furnace runs on electricity, even if it burns gas for heat. A tripped circuit breaker will cut all power to the furnace.
Check your home’s electrical panel.
Find the breaker labeled “Furnace” or “HVAC.”
If it’s in the middle or Off position, reset it by turning it fully Off and then back On.
If the breaker trips again soon after, there could be an electrical problem in the furnace that needs professional repair.
The Gas Supply Is Shut Off or Blocked
A closed gas valve or interrupted gas supply will prevent your furnace from firing up.
Locate the gas shut-off valve near the furnace. The handle should be parallel to the gas pipe for the gas to flow.
If it’s turned perpendicular, open it.
If you suspect a wider gas supply issue—or smell gas—leave the area immediately and call your gas utility company before restarting the furnace.
Schedule Heil Furnace Repair Service
If these steps don’t get your Heil furnace running, it’s time to schedule a service call. A Sears Home Services technician can quickly diagnose and repair the problem to restore your heat safely.
Schedule your Heil furnace repair online today or call us at 1-802-613-1926 to set up service.
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Frequently Asked Questions
Why won’t my Heil furnace turn on?
Your Heil furnace may not turn on if the furnace cut-off switch is turned off, the house circuit breaker has tripped, or the gas supply is shut off. Check these simple issues first. If the furnace still doesn’t start, contact a professional technician for diagnosis.
Where is the furnace power switch located?
The furnace cut-off switch is usually mounted on the side of the furnace or on a nearby wall. It looks like a standard light switch. Make sure it’s flipped to the On position so the furnace has power.
What should I do if my furnace keeps tripping the breaker?
If your furnace trips the circuit breaker repeatedly, don’t keep resetting it. This could indicate an electrical problem such as a short circuit, motor failure, or blower issue. Turn the breaker off and schedule furnace service with a certified Sears Home Services technician.
How do I check if my gas furnace is getting gas?
Locate the gas shut-off valve near the furnace. The handle should be in line with the gas pipe (parallel) for the gas to flow. If it’s turned perpendicular, the gas is off. If you suspect a gas leak or smell gas, leave the area immediately and contact your gas company before restarting your furnace.
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