California › Orange County › HVAC › Fullerton
Licensed HVAC contractors in Fullerton
52 contractors with a Fullerton mailing address hold an active (CLEAR) CSLB C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) license in CSLB's license file dated Oct 20, 2026. 52 of them show a workers' comp policy on file. Get quotes from up to 3 of them →
Heating and air conditioning work calls for a C-20 license. CSLB requires C-20 licensees to carry workers' compensation even if they have no employees, so check that a policy is on file.
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A Featured spot on this hvac page for Fullerton is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
All 52 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–52. 1-800-COOLNESS
C-20 · Lic. #871741 · Fullerton 92837
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
57 HEATING AND AIR CONDITIONING
C-20 · Lic. #1130374 · Fullerton 92832
Workers' comp policy on file
Active — CSLB flag: "7073E Probation"
ACE AIR CONDITIONING
C-20 · Lic. #718130 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ADVANCED CLIMATE TECHNOLOGIES
C-20 · Lic. #1039852 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR REVOLUTION HEATING AND COOLING INC
C-20 · Lic. #1042990 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR SUPPLY HTG & A / C INC
C-20 · also B · Lic. #744462 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANDERSON AIR CONDITIONING LP AN AMS COMPANY
C-20 · also B, C-10, C-38 · Lic. #1075333 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANGEL HVAC
C-20 · Lic. #1094626 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANTHONY'S RELIABLE HEATING & AIR CONDITIONING
C-20 · Lic. #943119 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
APPLIED AIR CONDITIONING INC
C-20 · Lic. #910358 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CHRIS PALMER HEATING & AIR CONDITIONING
C-20 · Lic. #1076327 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMFORT CONTROL HVAC
C-20 · Lic. #1137585 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMFORT SOLUTIONS HEATING AND COOLING
C-20 · Lic. #1113536 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COOLING & HEATING REPAIR INC
C-20 · Lic. #1093030 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DAN PAREDES INC
C-20 · Lic. #1158996 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EVOLUTION HEATING AND AIR CONDITIONING
C-20 · Lic. #1049849 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EVOLUTION HEATING AND AIR CONDITIONING INC
C-20 · Lic. #1082536 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FIRST CLASS COMFORT HVAC LLC
C-20 · Lic. #1141174 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GARD INC DBA RELIABLE SHEET METAL WORKS
C-20 · also C-43 · Lic. #272202 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GF CONSTRUCTION COMPANY
C-20 · also B · Lic. #922007 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HARRY PRO SERVICES
C-20 · also B, C-4, C-7, C-10… · Lic. #764272 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HAWAIIAN AIR
C-20 · Lic. #299279 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOME PRO HEATING AND AIR
C-20 · also B, C-10 · Lic. #924562 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HORTON'S HEATING & AIR CONDITIONING
C-20 · Lic. #587686 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ICY AC & CLEANING INC
C-20 · Lic. #1104972 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J M PROFESSIONAL PLUMBING
C-20 · also C-36 · Lic. #828995 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JAMISON HEATING & COOLING SERVICES INC
C-20 · Lic. #1072598 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JL HOME CONSTRUCTION INC
C-20 · also B · Lic. #1107057 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JP HVAC INC
C-20 · also B, C-36 · Lic. #790312 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
K N C AIR CONTROL INC
C-20 · Lic. #790011 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KI HONG AIRCONDITIONING
C-20 · Lic. #984268 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KING'S AIR
C-20 · Lic. #1120216 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
O C HI TECH SERVICE
C-20 · also C-10 · Lic. #931434 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ONE HOUR HEATING AND AIR CONDITIONING
C-20 · Lic. #1136570 · Fullerton 92835
Workers' comp policy on file
Active — CSLB flag: "Pending IFS"; suspension pending, dated 12/27/2026
ORGIO AIR SERVICES
C-20 · also C-38 · Lic. #1153303 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PACIFIC HVAC LLC
C-20 · Lic. #1151166 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PMR PROFESSIONAL MOBIL REMODELING INC
C-20 · also B, C-47 · Lic. #411024 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PRECISION AIR CONTROLS
C-20 · Lic. #1137223 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PROPER AIR INC
C-20 · also B · Lic. #988104 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RADIANT AIR HVAC INC
C-20 · Lic. #1073408 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RAYMOND SOK
C-20 · also C-38 · Lic. #832377 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
REFRIGERATION UNLIMITED INC
C-20 · also C-38 · Lic. #764462 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RICARDO DOMINGO DBA PRO AIRE HEATING AND COOLING CO
C-20 · Lic. #1074299 · Fullerton 92832
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
S C AIR TECH
C-20 · Lic. #1005297 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SERVICE SOLUTIONS
C-20 · Lic. #793095 · Fullerton 92836
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
SOMA H V A C INC
C-20 · also C-10 · Lic. #1055046 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SYNERGY INDUSTRIAL REFRIGERATION INC
C-20 · also C-38 · Lic. #943905 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
THE BLESSING BUILDERS INC
C-20 · also B · Lic. #1099208 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
THOMASVILLE CONSTRUCTION INC
C-20 · also A, B, C-2, C-36… · Lic. #585556 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TRI - PACIFIC HEATING & AIR CONDITIONING LP AN AMS COMPANY
C-20 · Lic. #894392 · Fullerton 92831
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WILLY AIR CONTROL INC
C-20 · Lic. #1118824 · Fullerton 92833
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WOORI COOL HVAC INC
C-20 · Lic. #1083086 · Fullerton 92835
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026