Furnace Pilot Light Is on but No Heat: Troubleshooting and Repair Guide for Homeowners

Feeling cold even though your furnace pilot light is on can be both confusing and frustrating. For many American homeowners, this issue is common during cold months and often signals an underlying problem with your heating system. This comprehensive guide explores why a furnace’s pilot light can be on while providing no heat, details potential causes, and offers actionable troubleshooting steps to restore warmth to your home.

Summary of Common Causes and Solutions

Potential Cause Quick Diagnosis Suggested Solution
Thermostat Malfunction Check if thermostat settings are correct and call for heat is active. Reset, replace batteries, or consider a new thermostat.
Faulty Thermocouple Pilot stays lit, but burners do not ignite. Replace the thermocouple.
Gas Valve Problems

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