Eureka, CA · Updated Nov 2026

11 HVAC contractors in Eureka: every one with a license we could verify.

AirProHQ lists 11 heating and cooling companies in Eureka, CA, every one matched to a license on the CSLB register. 1 advertise 24-hour emergency service. 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.

Eureka 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.

11Contractors listed
11License-verified · 100%
1Advertise 24/7 service

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

Sorted: license status, then name

HVAC contractors in Eureka, CA

Where they're based

3 ZIP codes hold 100% of Eureka'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. 01955015
  2. 02955034
  3. 03955022
Spaulding MechanicalEvans Mechanical IncMapleservice IncorporatedBell's HeatingRedwood MechanicalMaples Wayne Plumbing & Heating IncNiekrasz Plumbing IncBob's Heating And Air Solutions Inc 9550195503
9 of 11 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 Eureka

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
Eureka FAQ

Hiring an HVAC contractor in Eureka

Answers built from Eureka's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 11 of the 11 listings here already match a license on the register; each of those profiles links straight to the lookup.

02

Which Eureka HVAC companies advertise 24/7 service?

1 listing in Eureka, 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.

03

Why do most Eureka listings show no reviews?

Our Eureka 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.