HVAC diagnostics
Furnace Diagnostics
Illustrative checklist for gas and electric furnace diagnostics. Actual findings depend on on-site inspection with proper instruments. Gas work is performed only within KONGRA's legal license scope.
Secure scheduling via Square. KONGRA does not request passwords, login credentials, bank login information, private keys, or sensitive account-access information.
What we check
Furnace diagnostic checklist
Thermostat call & staging
Ignitor / flame sensor
Inducer motor & pressure switch
Gas valve operation
Heat exchanger inspection
Blower motor & capacitor
Limit switch / safeties
Combustion / venting
Related
Pillar & related pages
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FAQ
Frequently asked questions
What furnace systems do you diagnose?+
Residential gas furnaces, electric furnaces and furnace sections of packaged systems — cooling and heating mode diagnostics.
Do you handle gas work?+
Gas diagnostics and repair are performed only within KONGRA's legal license scope. Some work may require a properly licensed specialist.
Is the diagnostic paid?+
Yes. Diagnostic is a paid on-site visit with proper instruments and service data.