Fairfax, CA · Updated Nov 2026

2 HVAC contractors in Fairfax: every one with a license we could verify.

AirProHQ lists 2 heating and cooling companies in Fairfax, CA, every one matched to a license on the CSLB register.

Fairfax 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.

2Contractors listed
2License-verified · 100%

2 license-verified shown first

Sorted: license status, then name

HVAC contractors in Fairfax, CA

Know the fair price

What HVAC work costs in Fairfax

Fairfax itself lists 2 contractors — too few to price locally on its own — but 29 operate within a real 45-mile radius, including those serving San Rafael, Novato, Richmond. The ranges below are the same national 2026 figures used sitewide; 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
Fairfax FAQ

Hiring an HVAC contractor in Fairfax

Answers built from Fairfax's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 2 of the 2 listings here already match a license on the register; each of those profiles links straight to the lookup.