What Are Common Reasons My Heater Is Not Working in My House?
Common reasons your heater stops working include thermostat settings or dead batteries, a tripped breaker, a dirty air filter, or a safety lockout. Gas furnaces often fail from a dirty flame sensor or bad igniter. Heat pumps may stop due to iced outdoor coils or low refrigerant. Blocked vents or a full condensate pan can also shut systems down. We offer 24/7 emergency heating repair and same-day service in Charleston and nearby.
Quick checks:
- Set thermostat to Heat and raise the setpoint.
- Check the breaker and furnace switch.
- Replace a dirty air filter.
Updated: 2025-12-18 00:00:00
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Sources
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