AirProHQ
Fullerton, CA · Updated Oct 2026

52 HVAC contractors in Fullerton — every one with a license we could verify.

AirProHQ lists 52 heating and cooling companies in Fullerton, CA, every one matched to a license on the CSLB register. The 92833, 92831, 92832 ZIP codes hold 81% 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.

Fullerton 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.

52Contractors listed
52License-verified · 100%

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

Sorted: license status, then name

HVAC contractors in Fullerton, CA

12 more in FullertonZIPLicenseContact
S C Air Tech92833Verified1005297CallProfile
Soma H V A C Inc92833Verified1055046CallProfile
Sorensen Michael92833Verified1047312CallProfile
Synergy Industrial Refrigeration Inc92835Verified943905CallProfile
The Blessing Builders Inc92833Verified1099208CallProfile
Thomasville Construction Inc92833Verified585556CallProfile
Tri - Pacific Heating & Air Conditioning Lp An Ams Company92831Verified894392CallProfile
Willy Air Control Inc92833Verified1118824CallProfile
Woori Cool Hvac Inc92835Verified1083086CallProfile
Applied Air92833Verified923904CallProfile
Comfort Control Hvac92831Verified1137585CallProfile
Service Solutions92836Verified793095CallProfile
Where they're based

6 ZIP codes hold 100% of Fullerton'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. 019283319
  2. 029283113
  3. 039283210
  4. 04928358
  5. 05928371
  6. 06928361
1-800-Coolness57 Heating And Air ConditioningAce Air ConditioningAdvanced Climate TechnologiesAir Revolution Heating And Cooling IncAir Supply Htg & A / C IncAnderson Air Conditioning Lp An Ams CompanyAngel HvacAnthony'S Reliable Heating & Air ConditioningApplied AirApplied Air Conditioning IncComfort Control HvacComfort Solutions Heating And CoolingCooling & Heating Repair IncDirect Air Conditioning INC.Dan Paredes IncEvolution Heating And Air ConditioningFirst Class Comfort Hvac LLCGf Construction CompanyHarry Pro ServicesHawaiian AirHome Pro Heating And AirHong Ki AirconditioningHorton'S Heating & Air ConditioningIcy Ac & Cleaning IncJ L Home Construction IncJamison Heating & Cooling Services INCJp Hvac IncK N C Air Control IncKing'S AirOne Hour Heating And Air ConditioningOrgio Air ServicesP M R Professional Mobil Remodeling IncPacific Hvac LLCPalmer Chris Heating & Air ConditioningPrecision Air ControlsPro Aire Heating And Cooling CoProper Air IncRadiant Air Hvac IncRaymond SokRefrigeration Unlimited IncReliable Sheet Metal WorksS C Air TechSoma H V A C IncSorensen MichaelSynergy Industrial Refrigeration IncThe Blessing Builders IncThomasville Construction IncTri - Pacific Heating & Air Conditioning Lp An Ams CompanyWilly Air Control IncWoori Cool Hvac Inc 92833928319283292835
51 of 52 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 Fullerton

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
Fullerton FAQ

Hiring an HVAC contractor in Fullerton

Answers built from Fullerton's own listing data.

01

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

Ask for the license number and search it on the CSLB lookup (official site). 52 of the 52 listings here already match an active license; each of those profiles links straight to the lookup.

02

Why do most Fullerton listings show no reviews?

Our Fullerton 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.

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