AirProHQ
Clayton, CA · Updated Nov 2026

9 HVAC contractors in Clayton: every one with a license we could verify.

AirProHQ lists 9 heating and cooling companies in Clayton, CA, every one matched to a license on the CSLB register.

Clayton at a glance
License boardCSLB · number on every ad
Licenses renewing within 90 days1
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

9Contractors listed
9License-verified · 100%

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

Sorted: license status, then name

HVAC contractors in Clayton, CA

Where they're based

Where Clayton'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.

Ariel HVAC Solutions IncClayton Brothers Heating And Air IncCalifornia Boiler Works IncorporatedApodaca MechanicalChristian HVACEnergy Solutions Corp Inc 94517
7 of 9 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 Clayton

Clayton itself lists 9 contractors — too few to price locally on its own — but 111 operate within a real 45-mile radius, including those serving Concord, Pittsburg, Bay Point. 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
Sources: AC repair cost guide · HVAC replacement cost guide
Clayton FAQ

Hiring an HVAC contractor in Clayton

Answers built from Clayton's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 9 of the 9 listings here already match a license on the register; each of those profiles links straight to the lookup.

HVAC contractors near Clayton

All California cities
Concord83 contractors · 82 licensed · 5 miPittsburg16 contractors · 16 licensed · 5 miBay Point3 contractors · 3 licensed · 6 miPleasant Hill13 contractors · 12 licensed · 7 miWalnut Creek16 contractors · 16 licensed · 7 miAntioch43 contractors · 43 licensed · 8 miPacheco8 contractors · 8 licensed · 8 miDanville18 contractors · 18 licensed · 9 miMartinez14 contractors · 14 licensed · 10 miLafayette5 contractors · 5 licensed · 11 mi