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ADRIUM Service Solutions
(925) 999-4095 · San Ramon, CA · CSLB #1136642 · BBB A+

DAIKIN · HILLSBOROUGH

Daikin Manufacturer-Authorized Service

Daikin Ductless & Heat Pump Repair · Hillsborough, CA

Daikin multi-zone repair in Hillsborough, where large period estates run many quiet heads.

  • $75 diagnostic (waived with repair)
  • Same-day best effort
  • CSLB #1136642
Call (925) 999-4095

Daikin in Hillsborough

Daikin heating and cooling in Hillsborough.

Hillsborough is Mid-Peninsula estate territory, full of large period homes on big lots with mature landscaping. The climate is mild and Peninsula-moderated, so the Daikin work here is multi-zone systems balancing comfort across many rooms, often in older homes where ductless and concealed-duct Daikin units were added without tearing up historic finishes.

We are a Daikin authorized servicer, factory trained on the inverter platforms. In a Hillsborough estate the cost of disturbing finished rooms is high, so reading the fault code correctly matters. I isolate the failed branch or head from the code and repair only that. I do not parts-swap.

ADRIUM Service Solutions provides HVAC through Bay Area HVAC Service. The $75 diagnostic is waived with repair, quotes are written, and we hold EPA 608 Universal certification and CSLB license 1136642. Install carries 10-year parts and 10-year labor warranty.

Common repairs we do

What we close on the truck.

  • Concealed-duct unit airflow fault. Hillsborough estates often hide Daikin concealed-duct units in ceilings and attics. When static pressure rises or a blower weakens, the unit flags a fan fault and a room goes warm. I check the duct path and the blower, then repair the actual restriction or motor.
  • Ceiling cassette condensate pump failure. Recessed Daikin cassettes in finished ceilings rely on a condensate pump. When it fails the float trips an A3 to avoid a ceiling leak. I test the pump and float and replace the pump before water reaches the plaster.
  • Branch selector communication dropout. On a large multi-zone Daikin a U4 or UF code means the branch wiring lost communication. In big estates the long runs hide one loose terminal. I meter the bus and repair the exact fault rather than swapping boards.

Models we service

Daikin product lines.

  • Inverter heat pumps
  • Ductless and multi-zone mini-splits
  • Gas furnaces
  • Fit and slim-profile systems
  • Air handlers

Pricing and warranty

What it costs. What we stand behind.

  • $75

    Diagnostic visit. Waived when you book the repair with us.

  • Written

    90 days on consumables, 1 year on major parts, 2 years on sealed-system rebuilds. Quoted in writing before work starts.

  • CSLB

    #1136642. Bonded and insured. We file warranty paperwork when applicable.

Nearby cities

Daikin service in neighboring cities.

FAQ

Daikin in Hillsborough questions, answered.

  • How far is Hillsborough from your San Ramon base?
    It is a Peninsula run. From San Ramon I take 680 to 84 across the Dumbarton, then up the Peninsula past Atherton and toward Palo Alto to Hillsborough. Figure 50 minutes to an hour, so I schedule it ahead.
  • Can you work without disturbing the finished rooms?
    Yes. I diagnose by zone from the Daikin fault codes and repair only the failed head or branch, which keeps the work contained. I give a written quote first.
  • Do you provide written quotes before any estate work?
    Always. I read the codes, find the cause, and hand you a written price before opening anything further. Repairs carry a 1-year warranty.

Need Daikin service in Hillsborough?

Tell us what is broken. We will quote it.

Call (925) 999-4095
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Andrew will call you back during business hours to confirm the visit.