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

LENNOX · SUNNYVALE

Service · All Lennox Models

Lennox Heat Pump, AC & Furnace Repair · Sunnyvale, CA

Lennox heat pump, AC and furnace repair in Sunnyvale, from the older Birdland tract homes to the newer downtown infill.

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

Lennox in Sunnyvale

Lennox heating and cooling in Sunnyvale.

Sunnyvale is dense South Bay suburb, a mix of older 50s and 60s ranch tracts like Birdland and the homes near Murphy Avenue, plus newer townhome and infill development downtown. The climate is mostly bay-moderated but the inland edge warms enough that cooling matters. I see Lennox split systems in the ranch homes and Lennox heat pumps going into the newer electrified builds and retrofits.

ADRIUM runs HVAC through Bay Area HVAC Service. I am EPA Section 608 Universal certified and we hold CSLB 1136642. You get a written quote, the $75 diagnostic comes off when you repair, and we work 7 days.

Lennox does high efficiency well and a Lennox heat pump suits the electrification a lot of Sunnyvale owners are after. My honest note is the parts channel. Lennox keeps its proprietary boards and modules in a dealer-restricted channel, so a Lennox-specific control can take longer and cost more than the Carrier or Trane part. I set that expectation at the estimate so the repair timeline is realistic.

Common repairs we do

What we close on the truck.

  • Heat pump losing capacity on a slow leak. The Lennox XP heat pumps in the newer Sunnyvale retrofits lose heating capacity when the charge drifts down on a slow line set leak. I leak-check the joints and the line set and repair the leak rather than just topping off, since a recharge on a leaking system buys only a few months.
  • iComfort firmware mismatch after a thermostat upgrade. When owners add an iComfort head to an older Lennox air handler the board revisions and firmware fall out of sync and the system throws communication faults. I match the firmware across the boards and verify the bus before replacing hardware.
  • Furnace inducer motor wearing in older ranch homes. The Birdland-era ranch homes run Lennox furnaces through cool nights and the inducer motor bearings wear, so the pressure switch will not close and the furnace locks out. I test the inducer draft and replace the motor and gasket as a set.

Models we service

Lennox product lines.

  • Gas furnaces
  • Heat pumps and AC condensers
  • Air handlers and evaporator coils
  • Variable-capacity and communicating systems
  • 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

Lennox service in neighboring cities.

FAQ

Lennox in Sunnyvale questions, answered.

  • How long is the drive from San Ramon to Sunnyvale
    From San Ramon I run 680 south into the South Bay, about 40 to 55 minutes depending on traffic. Sunnyvale neighbors Mountain View, Cupertino, Los Altos and San Jose, all of which we serve, so I batch South Bay calls together to make the drive efficient.
  • I want to move off gas heating. Can Lennox do an all-electric heat pump
    Yes. A Lennox heat pump handles both heating and cooling and fits the electrification a lot of Sunnyvale owners want. I size it to your home and confirm your electrical can support it before we commit.
  • Is the $75 diagnostic credited toward the repair
    Yes. You pay $75 for the diagnosis. When you approve the repair, that $75 comes off the bill, and the written quote comes first.

Need Lennox service in Sunnyvale?

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.