HVAC ANSWERS · COOLING AND HEATING PROBLEMS
Furnace ignition and pilot-light concerns
Canonical HVACentric knowledge for residential questions on this topic.
DIRECT ANSWER
Ignition symptoms can involve the fuel supply, igniter or pilot system, flame sensing, venting, controls, safeties, or other furnace conditions. Follow only the manufacturer’s user instructions and never bypass a safety or repeatedly attempt ignition when fuel may be accumulating. If you smell gas, leave immediately and contact the gas authority from outside; otherwise arrange qualified service.
Questions this topic covers
These are examples of natural wording that map to this maintained topic. They are not separate pages or duplicate answers.
- Why won't my furnace ignite?
- The pilot light keeps going out.
- My furnace igniter is clicking but there is no heat.
- Should I relight the furnace pilot myself?
- Why do the burners shut off after starting?
Sources used for this answer
HVACentric uses public primary and authoritative sources as research anchors. Property-specific decisions still require direct verification.