Alameda, CA · Updated Nov 2026

7 HVAC contractors in Alameda: every one with a license we could verify.

AirProHQ lists 7 heating and cooling companies in Alameda, CA, every one matched to a license on the CSLB register. 1 advertise 24-hour emergency service.

Alameda at a glance
License boardCSLB · number on every ad
Licenses renewing within 90 days3
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

7Contractors listed
7License-verified · 100%
1Advertise 24/7 service

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

Sorted: license status, then name

HVAC contractors in Alameda, CA

Where they're based

Where Alameda'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.

H T O Plumbing And RadiantWeber A T Plumbing & Mechanical Services IncAlameda Island Heating & Air Conditioning LLCComfort Air Mechanical Systems IncCorral Coolng And Heating 94501
5 of 7 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 Alameda

Alameda itself lists 7 contractors — too few to price locally on its own — but 113 operate within a real 45-mile radius, including those serving Oakland, Berkeley, San Leandro. 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
Alameda FAQ

Hiring an HVAC contractor in Alameda

Answers built from Alameda's own listing data.

01

How do I check an Alameda HVAC contractor's license?

Ask for the license number and search it on the CSLB lookup (official site). 7 of the 7 listings here already match a license on the register; each of those profiles links straight to the lookup.

02

Which Alameda HVAC companies advertise 24/7 service?

1 listing in Alameda, CA advertise round-the-clock service; filter the list above by 24/7 to see them. We record the claim from their own websites, not verified hours.