Every job starts with a real diagnosis, not a guess — here's the full scope of what our furnace repair technicians handle across San Bruno, CA.
Ignitor & Pilot Light Repair
Standing pilot systems get checked for thermocouple failure, the most common cause of a pilot that won't hold. This is one of the most requested furnace repair calls we get across San Bruno, CA.
Gas Valve Diagnostics
Faulty gas valves are treated as a safety-critical repair, prioritized accordingly. This is one of the most requested furnace repair calls we get across San Bruno, CA.
Heat Exchanger Inspection & Repair
A cracked heat exchanger is a carbon monoxide risk and gets flagged immediately with the furnace shut down if needed. This is one of the most requested furnace repair calls we get across San Bruno, CA.
Blower Motor & Limit Switch Repair
A furnace that runs but never blows warm air often traces to a blower motor or limit switch fault. Techs handling blower motor & limit switch repair carry the specific parts and tools this job calls for, not a generic kit.
Flue & Venting Repair
We inspect the full flue run, not just the connection at the furnace. Techs handling flue & venting repair carry the specific parts and tools this job calls for, not a generic kit.
Thermostat & Control Board Diagnostics
A furnace that won't respond to the thermostat at all sometimes traces to a control board fault rather than the burner assembly. Techs handling thermostat & control board diagnostics carry the specific parts and tools this job calls for, not a generic kit.
