C20

HVAC Contractor Verification - Page 121

12,316 hvac contractors checked against 6 data sources (Page 121 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 6001-6050 of 12,316

HARTS PRO HVAC

Clear

License #1126161 · CLOVIS

EMP/WK Bnd Susp

HARTVICKSON JOHN D

Clear

License #409642 · CONCORD

Active

HARVEY'S HEATING AND AIR

Clear

License #913677 · ORANGE

Active

HASCO HEATING AIRCONDITIONING SERVICE COMPANY INC

Clear

License #519360 · RIVERSIDE

Active

HASHCO AIR

Clear

License #941125 · IRVINE

Active

HASKIN MECHANICAL SERVICES

Clear

License #1026887 · ESCALON

Active

HASLER REFRIGERATION INC

Clear

License #775105 · YUMA

Active

HASSINGER HVAC

Clear

License #1132103 · PRESCOTT VALLEY

Active

HASSLER HEATING AND AIR CONDITIONING LLC

Clear

License #770180 · EL CERRITO

Active

HAUFFE COMPANY INC

Clear

License #612305 · SANTA ANA

Work Comp Susp

HAVEN AIR CONDITIONING

Clear

License #748387 · ORANGE

Active

HAVEN-ELECTRIC INC

Clear

License #814866 · BLUE LAKE

Active

HAWAIIAN AIR

Clear

License #299279 · FULLERTON

Active

HAWES HEATING & AIR CONDITIONING

Clear

License #606836 · DAVIS

Active

HAWK HEATING & AIR CONDITIONING

Clear

License #1040542 · HERALD

Work Comp Susp

HAWLEY AC AND HEATING

Clear

License #658763 · BAKERSFIELD

Active

HAY-COOL HVAC INC

Clear

License #1101079 · GLENDALE

Active

HAYMAN REFRIGERATION & AIR CONDITIONING

Clear

License #913517 · WINDSOR

Active

HAYS DON HEATING & AIR CONDITIONING

Clear

License #1073866 · REDDING

Active

HB A C SPECIALTIES

Clear

License #460500 · RIVERSIDE

Active

HC AIR INC

Clear

License #1093364 · EASTVALE

Active

HD - HEATING & AIR

Clear

License #1077431 · LANCASTER

Active

HD AIR INC

Clear

License #1008416 · CLOVIS

Active

HD CONSTRUCTION CO

Clear

License #460153 · LOS ANGELES

Active

HD MECHANICAL INC

Clear

License #1094219 · BUENA PARK

Active

HE MAN A/C MASTER INC

Clear

License #1044166 · ARCADIA

Active

HEADY SCOTT AC HTG & PLMGB

Clear

License #813879 · RIVERSIDE

Active

HEALD MECHANICAL

Clear

License #607590 · SACRAMENTO

Active

HEALING COMFORT HEATING AIR & PLUMBING

Clear

License #1075338 · SONOMA

Active

HEALTHY AIR

Clear

License #899548 · CERES

Active

HEALTHY DUCT CLEANING

Clear

License #1007238 · DALY CITY

Active

HEARTHSTONE BUILDING & RESTORATION

Clear

License #319036 · WALNUT CREEK

Active

HEAT & COOL CARE INC

Clear

License #844141 · CHATSWORTH

Active

HEAT & COOL CONNECTIONS

Clear

License #1057494 · RESEDA

Active

HEAT - TECH OF TRUCKEE INC

Clear

License #714099 · TRUCKEE

Active

HEAT AND AIR SOLUTIONS INC

Clear

License #1133607 · APPLEGATE

Active

HEAT AND COOL AIR ZONE INC

Clear

License #904435 · BEVERLY HILLS

Active

HEAT BUSTERS INC

Clear

License #1118178 · POWAY

Active

HEAT PUMPS NOW

Clear

License #1096621 · LA VERNE

Active

HEAT TRANSFER SYSTEMS LLC

Clear

License #1002273 · QUINCY

Active

HEAT WAVE AIR CONDITIONING AND HEATING

Clear

License #941094 · RIVERSIDE

Active

HEATER MAN HEATING AND AIR

Clear

License #825795 · WOODBRIDGE

Active

HEATERS UP AC'S DOWN

Clear

License #1142393 · CHULA VISTA

Work Comp Susp

HEATING & AC WEATHER ENGINEER

Clear

License #1079747 · LOMITA

Active

HEATING & AIR CONDITIONING

Clear

License #1116445 · MORGAN HILL

Active

HEATING & AIR SOLUTIONS INC

Clear

License #1091776 · MORENO VALLEY

Active

HEATING & AIRFLOW INC

Clear

License #997986 · MANTECA

Active

HEATING & COOLING

Clear

License #351959 · MORRO BAY

Active

HEATING & COOLING AID

Clear

License #1055558 · NATIONAL CITY

Active

HEATING & COOLING SOLUTION

Clear

License #1054083 · VACAVILLE

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.