AirProHQ
Livermore, CA · Updated Oct 2026

53 HVAC contractors in Livermore — every one with a license we could verify.

AirProHQ lists 53 heating and cooling companies in Livermore, CA, every one matched to a license on the CSLB register. The 94551, 94550, 94568 ZIP codes hold 100% of them. 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.

Livermore 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.

53Contractors listed
53License-verified · 100%

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

Sorted: license status, then name

HVAC contractors in Livermore, CA

13 more in LivermoreZIPLicenseContact
Streamline Power94550Verified1007841CallProfile
Superior Mechanical Services Inc94551Verified854680CallProfile
Swift Heating & Air94551Verified838919CallProfile
T 3 Mechanical Inc94551Verified1038631CallProfile
Thermotek Services Inc94550Verified1054019CallProfile
Vargas Hvac94550Verified1145667CallProfile
Vargas Mechanical Services Inc94550Verified1077486CallProfile
Your Energy Solutions94551Verified928652CallProfile
Ais Heating And Air Conditioning94551Verified919756CallProfile
Gress Heating & Air Inc94568Verified789682CallProfile
Miller Dale A94551Verified516223CallProfile
Select Mechanical Inc94551Verified928189CallProfile
South Bay Mechanical94551Verified627316CallProfile
Where they're based

3 ZIP codes hold 100% of Livermore'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. 019455130
  2. 029455022
  3. 03945681
Air Concepts IncAis Heating & Air Conditioning IncAis Heating And Air ConditioningAlpine Mechanical Service Company IncAmbient Heating And AirAwesome Heating And Air Conditioning IncBarker Heating & CoolingBarnett Plumbing & Water HeatersBay Valley Heating And Air ConditioningCa Heating And Air ConditioningCentral Heating & Air ConditioningCohen Air Conditioning & HeatingCold Systems Refrigeration LLCDaniel Mechanical ServicesDelcon Heating And Air ConditioningEagle AirFault Line Plumbing IncFive Or Free Electrical Solutions IncHvac Service Star IncIron Horse Heating And CoolingJ R P United Mechanical Refrigeration & Appliances IncKell Mechanical Heating And Air Conditioning IncKey Mechanical CompanyKillen Mechanical IncKinetics Mechanical Service IncLeft Coast Heating And Air ConditioningM&A Mechanical Service LLCMarina Mechanical ServicesMatafied MechanicalMelgar & Associates Mechanical IncMiller'S Air Conditioning & HeatingMountain AirOk Heating And Air Conditioning IncOmni Mechanical SolutionsPrime Mechanical Service IncRh Mechanical LLCRichard'S Heating & Air Repair IncRobert James CortezService Experts Heating & Air ConditioningSound Hvac SolutionsStreamline PowerSuperior Mechanical Services IncSwift Heating & AirT 3 Mechanical IncThermotek Services IncVargas HvacVargas Mechanical Services IncYour Energy Solutions 9455194550
49 of 53 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 Livermore

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
Livermore FAQ

Hiring an HVAC contractor in Livermore

Answers built from Livermore's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 53 of the 53 listings here already match an active license; each of those profiles links straight to the lookup.

02

Why do most Livermore listings show no reviews?

Our Livermore 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 Livermore

All California cities
Pleasanton5 contractors · 5 licensed · 7 miFremont27 contractors · 27 licensed · 16 miTracy26 contractors · 26 licensed · 17 miBrentwood8 contractors · 8 licensed · 17 miHayward41 contractors · 41 licensed · 19 miAntioch37 contractors · 37 licensed · 21 miOakley7 contractors · 7 licensed · 21 miWalnut Creek3 contractors · 3 licensed · 22 miSan Leandro35 contractors · 35 licensed · 23 miConcord78 contractors · 77 licensed · 24 mi