AC REPAIR · CUPERTINO
AC Repair · Cupertino, CA
Cupertino AC repair for inverter heat pumps on the west side and add-on AC in the 1960s and 70s eastern ranches.
- $99 diagnostic (credited toward the repair)
- Same or next-day best effort
- CSLB #1136642
AC Repair in Cupertino
AC Repair in Cupertino.
Cupertino is one ZIP, 95014, with two very different cooling jobs. The west side toward Stevens Creek has been rebuilt house by house over the last fifteen years, and those homes run multi-zone heat pumps, variable-speed inverter condensers and communicating thermostats. When that equipment faults it throws a code, and the fix may live in a commissioning setting or a control board rather than a capacitor.
The flatter eastern grid is mostly 1960s and 70s ranches with first- or second-generation furnaces and add-on AC. There the work is classic diagnosis: capacitors, contactors, tired blowers and condensers losing charge through corroded coils. Either way, the $99 diagnostic is credited toward the repair and you see a written quote before any work.
Common repairs we handle.
- Inverter heat pump underperforming since install. Inverter systems are sensitive to commissioning, line-set length and charge. A new system that never cooled well may carry the wrong charge for its line set or a setting left at default. We check the installation data, correct the charge by weight, and fix the setup.
- Communicating thermostat showing a system fault. Communicating controls log fault codes that point to a sensor, a board or a wiring problem. We pull the stored history before touching the outdoor unit, since swapping parts rarely clears a communication fault.
- Corroded condenser coil leaking on an eastern ranch. Older condenser coils corrode and start to seep refrigerant. We pressure-test with nitrogen, locate the leak, and tell you whether a coil repair or a replacement makes sense on equipment that age.
- Tired blower on a first-generation furnace. The furnace blower moves the cooled air too, so a weak motor or a failed blower capacitor shows up as low airflow and a freezing coil. We test the motor and its capacitor and check the amp draw.
Pricing and warranty
What it costs. What we stand behind.
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$99
Diagnostic visit. Credited toward the repair.
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1 yr
Parts and labor warranty on completed repairs. In writing before we start.
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CSLB
#1136642. Bonded and insured. We file warranty paperwork when applicable.
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FAQ
AC Repair in Cupertino questions, answered.
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Our new heat pump never cooled as well as promised. Can you check the setup?
Yes. We compare the charge to the line-set length, check the commissioning settings and the airflow, and measure the temperature split across the coil. If the install is the problem, the written findings show what was off. -
Our east side ranch still has its original add-on AC. Worth fixing?
Depends on the part. Capacitors, contactors and fan motors are worth replacing on almost any system. A failed compressor or a leaking coil on equipment that old is where we write up the replacement option next to the repair. -
Do you read fault codes on West Cupertino multi-zone systems?
Yes, that is where the diagnosis starts on inverter equipment. Sealed-system work on them is covered by ADRIUM's EPA 608 Universal certification, and our license is CSLB #1136642.
Pricing HVAC repair starts with a $99 diagnostic, credited toward the approved repair, which makes the service call $0 with a completed repair. Considering a new HVAC system? The in-home estimate visit is free.
Credentials Owner-operated by Andrew · CSLB #1136642 · EPA #1279674151528 · BBB A+ · Repairs carry a 1-year warranty; new-system coverage: 10 years manufacturer parts + 2 years labor. Warranty and callback details →
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