C20

HVAC Contractor Verification - Page 6

12,316 hvac contractors checked against 6 data sources (Page 6 of 247)

About C20 License

Heating, ventilation, and air conditioning contractors.

12,316

Total Contractors

11,645

Active Licenses

394

Federal Records

Verify a HVAC Contractor

HVAC Contractors

Showing contractors 251-300 of 12,316

GALICIA COMMISSIONING GROUP INC

1 flag

License #1099551 · BANNING

Active

GALVAKNIGHT SHEET METAL SOLUTIONS INC

1 flag

License #761646 · PETALUMA

Active

GAMA CONTRACTING SERVICES INC

1 flag

License #780316 · SOUTH EL MONTE

Active

GAVILAN MECHANICAL INC

1 flag

License #902283 · LOS BANOS

Active

GLACIER REFRIGERATION & AIR INC

1 flag

License #672042 · SELMA

Active

GOLDBAUMS AIR CONDITIONING AND HEATING

1 flag

License #832367 · UPLAND

Active

GOLDEN AIRE INC

1 flag

License #423363 · ORANGEVALE

Active

GOLDEN GATE MECHANICAL INCORPORATED

1 flag

License #646854 · SANTA CLARA

Active

GOMEZ & SONS GENERAL CONTRACTORS INC

1 flag

License #683411 · TURLOCK

Active

GREATER SAN DIEGO AIR CONDITIONING CO INC

1 flag

License #437153 · SAN DIEGO

Active

GUERRA ELECTRIC & CONSTRUCTION INC

1 flag

License #1125252 · SANTA ROSA

Active

GUY'S HEATING AIR CONDITIONING AND SHEETMETAL

1 flag

License #654963 · GILROY

Active

HARRIS BAY AREA LLC

1 flag

License #1060887 · BRISBANE

Active

HELIOS HVACR SERVICES LLC

1 flag

License #1139817 · MAITLAND

Active

HICKEN AIR LLC

1 flag

License #1101076 · GILBERT

Active

HIGHLANDS ENERGY SERVICES

1 flag

License #861507 · FRESNO

Active

HOMETOWN CONSTRUCTION INCORPORATED

1 flag

License #704382 · RIO LINDA

Active

HORIZONS CONSTRUCTION COMPANY INTERNATIONAL INC

1 flag

License #825022 · ORANGE

Active

HPS PLUMBING SERVICES

1 flag

License #793014 · BAKERSFIELD

Active

HTL MECHANICAL INC

1 flag

License #1100615 · PALM DESERT

Active

HUGO'S CUSTOM SHEET METAL INC

1 flag

License #749916 · SANTA ANA

Active

HUTCH HEATING & AIR INC

1 flag

License #1033268 · ATASCADERO

Active

INDOOR ENVIRONMENTAL SERVICES

1 flag

License #646794 · SACRAMENTO

Active

INFINIUM AIR INC

1 flag

License #995372 · CONCORD

Active

INNER COOL REFRIGERATION

1 flag

License #890037 · PARAMOUNT

Active

IRVINE VALLEY AIR CONDITIONING INC

1 flag

License #641001 · ANAHEIM

Active

J C HEATING & AIR CONDITIONING INC

1 flag

License #405290 · SOQUEL

Active

JET MECHANICAL INC

1 flag

License #822344 · SANTA CLARA

Active

JOHN BURGER HEATING & AIR CONDITIONING INC

1 flag

License #876533 · YUBA CITY

Active

JOHNSON AIR

1 flag

License #808766 · CLOVIS

Active

JOURNEY AIR CONDITIONING CO INC

1 flag

License #579030 · BAKERSFIELD

Active

KAISER AIR CONDITIONING AND SHEET METAL INC

1 flag

License #407980 · OXNARD

Active

KELLER HEATING & AIR CONDITIONING INC

1 flag

License #1030639 · GILROY

Active

KERN MECHANICAL INC

1 flag

License #787317 · BAKERSFIELD

Active

KEY AIR CONDITIONING CONTRACTORS INC

1 flag

License #668439 · SANTA FE SPRINGS

Active

KHALSA CONSTRUCTION

1 flag

License #1048726 · MONTEREY

Active

LA NOTTE REFRIGERATION INC

1 flag

License #820340 · FRESNO

Active

LAND DEVELOPERS & ASSOCIATES CORPORATION

1 flag

License #1075468 · SHERMAN OAKS

Active

LANDMARK MECHANICAL

1 flag

License #1085295 · SAN DIEGO

Active

LEED MECHANICAL

1 flag

License #301529 · RANCHO CORDOVA

Active

LIBERTY MECHANICAL INC

1 flag

License #827083 · EL CAJON

Active

LUCY DEVELOPMENT COMPANY

1 flag

License #913288 · ENCINO

Susp - No Qualifier

M H S HEATING & AIR CONDITIONING INC

1 flag

License #932029 · ESCONDIDO

Active

M K HEATING AND AIR CONDITIONING INC

1 flag

License #956874 · CHATSWORTH

Active

MAC5 CONSTRUCTION LLC

1 flag

License #1025798 · FOUNTAIN VALLEY

Active

MARAVILLA FOUNDATION

1 flag

License #622969 · COMMERCE

Active

MASTER CONDITIONING INC

1 flag

License #494352 · CHINO

Active

MATTUCCI PLUMBING INCORPORATED

1 flag

License #770059 · GARDENA

Active

MECHANICAL AIR CONTROL INC

1 flag

License #808525 · RIVERSIDE

Active

MELGAR MECHANICAL INC

1 flag

License #1073416 · SANTA CLARA

Active

How to Verify a HVAC Contractor (C20) in California

California requires all contractors performing hvac work valued at $500+ to hold a valid CSLB C20 license. Of the 12,316 licensed hvac contractors in the state, 95% currently hold active licenses and 3.2% have at least one federal compliance record.

Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.

Verification Checklist for HVAC Contractors

  • Verify NATE certification for technicians working on your system
  • Ask about experience with your specific HVAC brand or system type
  • Confirm they can provide energy efficiency calculations for new installations
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Verification Matters for HVAC Work

Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For hvac work specifically, 3.2% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.

Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.