Sunnyvale, CA · Updated Oct 2026

20 HVAC contractors in Sunnyvale — every one with a license we could verify.

AirProHQ lists 20 heating and cooling companies in Sunnyvale, CA, every one matched to a license on the CSLB register. The 94086, 94087, 94089 ZIP codes hold 90% of them. These listings come from the license register rather than review sites, so most carry no public rating — a verified license with no reviews is normal here, not a warning sign.

Sunnyvale at a glance
License boardCSLB · number on every ad
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

20Contractors listed
20License-verified · 100%

20 license-verified shown first · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in Sunnyvale, CA

Where they're based

4 ZIP codes hold 100% of Sunnyvale's listed offices

Counted from the office address on each record. A contractor based near you usually means a shorter response window on a hot afternoon.

  1. 01940868
  2. 02940877
  3. 03940893
  4. 04940852
A & A PlumbingAll Appliance & Hvac Service IncBackflow Prevention Specialists IncBalcom AirChief MechanicalGrumpy'S HvacHvac All Seasons IncJim'S Air Conditioning ServiceKirk J L ConstructionNorth Cal Heating And AirNoek Heating And Air IncNorcal Comfort Pros LLCOn N Off Electric IncPacific Coast Trane ControlsPacific Coast Trane ServiceQuick Heating CoolingSgr RefrigerationSpecialty A/C Products IncSpeed Refrigeration Service 94086940879408994085
19 of 20 listings have a geocoded office address. Dots are offices, not service areas.License verifiedNot verified24/7
Know the fair price

What HVAC work costs in Sunnyvale

National 2026 ranges from our cost guides. Ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost
Diagnostic / service call$75 – $200
Capacitor replacement$100 – $250
Refrigerant recharge$200 – $600
Compressor replacement$1,300 – $2,800
Central air conditioner$3,900 – $7,900
Full HVAC (furnace + AC)$5,000 – $12,500
Sunnyvale FAQ

Hiring an HVAC contractor in Sunnyvale

Answers built from Sunnyvale's own listing data.

01

How do I check a Sunnyvale HVAC contractor's license?

Ask for the license number and search it on the CSLB lookup (official site). 20 of the 20 listings here already match an active license; each of those profiles links straight to the lookup.

02

Why do most Sunnyvale listings show no reviews?

Our Sunnyvale data comes from the CSLB license register, not from review sites, so many licensed one-truck operations have no public review profile. A verified license with no reviews is not a red flag — ask for two recent local references instead.