Furnace Not Heating
Your HVAC system is telling you something. Here's what furnace not heating means, why it happens, and how to fix it.
Signs You're Experiencing This
What Causes Furnace Not Heating
Thermostat issue or dead batteries
Pilot light or ignition problem
Gas supply interrupted
Dirty flame sensor
Clogged air filter
Blower motor failure
Draft inducer motor problem
Try These Before Calling
Safe checks you can do yourself before scheduling a service call.
When to Call a Professional
- Smell gas (call gas company first!)
- Furnace making unusual sounds
- DIY checks don't resolve issue
- Status light shows error code
- Carbon monoxide detector activated
Furnace Not Heating FAQ
Furnace Not Heating is commonly caused by: Thermostat issue or dead batteries, Pilot light or ignition problem, Gas supply interrupted. Other factors include Dirty flame sensor and Clogged air filter. A professional diagnosis can pinpoint the exact cause in your system.
Still Having Issues?
Our technicians can diagnose furnace not heating and fix it fast. Same-day appointments available.
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