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

CARRIER · HILLSBOROUGH

Service · All Carrier Models

Carrier Heat Pump, AC & Furnace Repair · Hillsborough, CA

Carrier service for Hillsborough estates, where large multi-zone Infinity systems demand careful, exact work.

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

Carrier in Hillsborough

Carrier heating and cooling in Hillsborough.

Hillsborough is large estate lots and substantial custom homes, and the HVAC matches that scale. It is normal to find several Carrier systems in one house, often Infinity equipment zoned across many rooms. The Peninsula climate is mild, so the cooling load is moderate, but the systems are complex and the standard for clean, quiet, exact work is high.

Many of these estates are older grand homes that have been updated over the years, so you find long duct runs threaded through additions and concealed air handlers in attics and basements. When a zone underperforms it is rarely the equipment. It is a damper, a zone board, or a charge issue on a long line set. We map the whole system before we diagnose so we are not guessing across that much hardware.

Carrier and Bryant share the same internals, so we read either nameplate the same. Parts are available and the build is solid. The Infinity communicating boards and variable-speed modules are the expensive components, and across an estate with several of them I verify the exact failed part before quoting, because at this scale the difference is significant.

Common repairs we do

What we close on the truck.

  • Zone board comm fault across multiple systems. With several Infinity systems and many zones, a single zone board comm fault can take out cooling in one wing of the house. We isolate which system and which board is reporting the fault rather than swapping parts. Confirming the exact board first keeps the repair targeted and the cost in check.
  • Concealed attic air handler condensate overflow. Estate air handlers hidden in attics overflow when the condensate drain or the float switch clogs, and the first sign is a ceiling stain in a finished space. We clear the primary and secondary drains, test the float, and check the pan so a slow clog does not become real damage.
  • Long line set charge on distant outdoor units. Hillsborough estates run long refrigerant lines to outdoor units placed away from the house for quiet. A slow leak shows up as one area cooling weakly. We measure superheat and subcooling, find the actual leak rather than topping off, and repair it so the charge holds.

Models we service

Carrier product lines.

  • Heat pumps (Infinity and Performance)
  • Gas furnaces
  • AC condensers and coils
  • Air handlers and fan coils
  • Packaged units

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

Carrier service in neighboring cities.

FAQ

Carrier in Hillsborough questions, answered.

  • How far is Hillsborough from your San Ramon base?
    Hillsborough is a Peninsula run for us, near Atherton, Palo Alto, and Los Altos Hills. It is a longer drive than our East Bay work, but we schedule it regularly with no extra trip charge. We coordinate the timing in advance.
  • We have several Carrier systems. Can you handle them all in one visit?
    Yes. We map every system and zone on the property first, then work through them in one coordinated visit where access allows. For estates we plan the appointment around attic and mechanical-room access so nothing is missed.
  • Will the work stay clean and concealed like the original install?
    Yes. We use correct Carrier parts and keep the work concealed where the original install intended. You get a written quote before anything happens, with 1 year on repairs and 10-year parts and labor on a new install.

Need Carrier 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.