KONGRA LLC · HVAC diagnostics
Heat Pump Diagnostics
Independent diagnostics for split, mini-split and packaged heat pumps — cooling and heating mode. Findings depend on on-site inspection.
What we check
Heat pump diagnostic checklist
Reversing valve operation
Defrost cycle behavior
Refrigerant charge indicators
Outdoor coil / airflow
Indoor coil / blower
Capacitor / contactor
Thermostat staging
Auxiliary / strip heat call
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Reviews
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FAQ
Frequently asked questions
What heat pump systems do you diagnose?+
Central split heat pumps, ducted and ductless mini-splits, and packaged systems — cooling and heating modes.
Do you handle refrigerant work?+
KONGRA provides diagnostics and coordinates certified contractors for refrigerant and sealed-system work. The scope, responsible provider and price are confirmed before work begins.