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What should I do if my furnace stops working in cold weather?

Check if the thermostat has power and is set correctly. Verify the furnace switch is on and the circuit breaker has not tripped. Check if the pilot light is lit on older systems. If nothing works, call an HVAC professional. In the meantime, dress warmly, use space heaters safely, and let faucets drip to prevent frozen pipes.

Why It Matters

A failed furnace in freezing temperatures puts your pipes and family at risk. Quick troubleshooting can prevent a costly emergency.

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