Sub-Zero Refrigerator Repair
Independent engineering-level diagnostics and repair for Sub-Zero built-in, integrated column, BI-series, undercounter and wine refrigeration in San Jose and the Bay Area.
Secure scheduling via Square. KONGRA does not request passwords, login credentials, bank login information, private keys, or sensitive account-access information.
Sub-Zero refrigeration we service
Sub-Zero symptoms we diagnose
Legal & service scope
Regulated refrigeration, electrical and sealed-system work is performed only within KONGRA’s legal license, insurance and practical service scope. Final diagnosis and repair scope are confirmed only after on-site inspection. Special-order parts may require a deposit before ordering.
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Frequently asked questions
Do you service Sub-Zero built-in, integrated column and BI-series refrigeration?+
Yes. Built-in refrigerators, integrated column refrigerators and freezers, BI-series units, undercounter refrigeration and wine units.
Do you diagnose warm-zone / not-cooling issues on the fresh-food side?+
Yes. Warm-zone issues are typically evaluated across damper control, evaporator airflow, defrost cycle and sealed-system indicators.
Do you handle freezer frost / over-freezing?+
Yes. Frost accumulation and over-freezing are inspected across defrost heater and thermistor, drain line, door seal and gasket integrity.
Do you service evaporator fan, dispenser and hinge/gasket faults?+
Yes. Evaporator fan noise / failure, ice and water dispenser faults, door hinges and gaskets are part of standard Sub-Zero diagnostic coverage.
Is the diagnostic paid?+
Yes. Diagnostic is a paid on-site visit with proper instruments and service data. Written estimate is provided after inspection.
Are you affiliated with Sub-Zero?+
No. KONGRA LLC is an independent service company. The Sub-Zero name is used only to describe equipment serviced.