AirProHQ
Fairfield, CA · Updated Oct 2026

34 HVAC contractors in Fairfield — every one with a license we could verify.

AirProHQ lists 34 heating and cooling companies in Fairfield, CA, every one matched to a license on the CSLB register. 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.

Fairfield 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.

34Contractors listed
34License-verified · 100%

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

Sorted: license status, then name

HVAC contractors in Fairfield, CA

Where they're based

Where Fairfield's contractors are based

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

A-1 Comfort Heating & AirAll Star A/C & Heating NgovAmigos Heating And AirBluesky Heating And AirBrambila Heating & Air ConditioningCes Integrated CorporationClean Breeze AirDiscount Hvac & Appliance RepairFairfield Heating And Air ConditioningFlores Mechanical ServicesGo MechanicalGolden State Comfort Systems IncGraydon Kouri Plumbing Heating Air ConditioningIndoor Air TechnologiesKhoury Mechanical LLCKouri Graydon Plumbing Heating Air ConditioningLee Luke YongjinLeon Air SystemsLissick'S Heating And Air ConditioningMarasigan Heating And AirMike'S Heating And Air ConditioningNew Age Heating & CoolingNielson Mechanical IncNor-Pacific Heating And AirNorth Bay Air Systems IncNutt RefrigerationPelayo Heating And Air ConditioningPlumbing SolutionsRedeemed AirSilvermark Construction Services IncSuperior MechanicalTradewinds Cooling Limited Liability CompanyVacaville Heating And Air Conditioning 9453394534
33 of 34 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 Fairfield

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
Sources: AC repair cost guide · HVAC replacement cost guide
Fairfield FAQ

Hiring an HVAC contractor in Fairfield

Answers built from Fairfield's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 34 of the 34 listings here already match an active license; each of those profiles links straight to the lookup.

02

Why do most Fairfield listings show no reviews?

Our Fairfield 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.

HVAC contractors near Fairfield

All California cities
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