California › San Francisco County › HVAC › San Francisco
Licensed HVAC contractors in San Francisco
96 contractors with a San Francisco 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. 94 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 San Francisco 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 $149/mo. Join the waitlist →
All 96 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–96.
A + GENERAL CONSTRUCTION INC
C-20 · also A, B, C-10, C-36 · Lic. #1127551 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ABCO MECHANICAL CONTRACTORS INC
C-20 · also C-4, C-38 · Lic. #209064 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AGBAYANI CONSTRUCTION CORPORATION
C-20 · also A, B, C-10, C-36 · Lic. #650472 · San Francisco 94116
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR PERFECTION HEATING & AIR CONDITIONING INC
C-20 · Lic. #887963 · San Francisco 94110
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL-ELECTRIC CALIFORNIA
C-20 · also B, C-10, C-36 · Lic. #1078011 · San Francisco 94133
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANDERSON ROWE & BUCKLEY INC
C-20 · also C-2, C-4, C-16, C-36… · Lic. #91594 · San Francisco 94107
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANDY'S MECHANICAL
C-20 · Lic. #931264 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
APEX ELECTRIC & AIR
C-20 · also A, B, C-10, C-51 · Lic. #825156 · San Francisco 94132
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
APOLLO HEATING AND VENTILATING
C-20 · Lic. #1075227 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARCH PLUMBING INC
C-20 · also C-10, C-16, C-36 · Lic. #976019 · San Francisco 94124
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
AREMTECH INC
C-20 · also A, ASB, B, C-4… · Lic. #795570 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ASSOCIATED HEATING OF S F
C-20 · Lic. #486084 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ASSOCIATED HEATING OF SAN FRANCISCO INC
C-20 · Lic. #1001526 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ASTORGA CONSTRUCTION INC
C-20 · also B, C-10, C-16, C-36 · Lic. #1008360 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AYOOB & PEERY PLUMBING CO INC
C-20 · also B, C-4, C-16, C-36 · Lic. #392967 · San Francisco 94107
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B D UNIQUE CONSTRUCTION COMPANY
C-20 · also A, B, C-10, C-16… · Lic. #937060 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BAY AIR HEATING & COOLING
C-20 · Lic. #1156059 · San Francisco 94123
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BAY AREA PIPE & EQUIPMENT INC DBA BAY AREA MECHANICAL
C-20 · also C-36 · Lic. #1075566 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BILL GREEN JR DBA NATIONAL CHIMNEY
C-20 · also C-29 · Lic. #733653 · San Francisco 94134
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BING'S HEATING & COOLING CO
C-20 · Lic. #651731 · San Francisco 95116
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BON AIR SERVICES
C-20 · Lic. #821851 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BUILDING EFFICIENCY INC
C-20 · also ASB, B, C-10, C-36 · Lic. #947504 · San Francisco 94122
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BULLARD'S HEATING & AIR INC
C-20 · also B, C-36 · Lic. #728605 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
C R REICHEL ENGINEERING CO INC
C-20 · also C-4, C-10, C-16, C-34… · Lic. #169169 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CLADDAGH REFRIGERATION COMPANY INC
C-20 · also C-38 · Lic. #796321 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CLEVER HEATING AND COOLING
C-20 · Lic. #1155494 · San Francisco 94115
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CTW MECHANICAL INC
C-20 · also B · Lic. #761595 · San Francisco 94118
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
D & W HVAC INC
C-20 · Lic. #773400 · San Francisco 94134
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DEMAKAS PLUMBING & HEATING INC
C-20 · also C-4, C-16, C-31, C-36… · Lic. #349523 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DENNIS'S HEATING & COOLING
C-20 · Lic. #1137367 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DMG ENTERPRISES INC
C-20 · also B, C-4, C-10, C-36 · Lic. #833910 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DYNAMICS LLC
C-20 · Lic. #1109407 · San Francisco 94133
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
E B GILMORE & SONS MECHANICAL SERVICES INC
C-20 · also C-2, C-4, C-10, C-36… · Lic. #740278 · San Francisco 94147
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FMP MECHANICAL LLC
C-20 · also C-4, C-16, C-36 · Lic. #1158455 · San Francisco 94180
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GB HEATING & COOLING INC
C-20 · Lic. #995876 · San Francisco 94121
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GB MECHANICAL HVAC CO
C-20 · also C-4 · Lic. #918728 · San Francisco 94121
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GORSNEG CONSTRUCTION
C-20 · also A, B, C-10, C-36 · Lic. #1097590 · San Francisco 94118
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GREEN AIR MECHANICAL INC
C-20 · Lic. #1047690 · San Francisco 94134
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GREENFLOW HVAC INC
C-20 · Lic. #940159 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HEAVEN'S EARTH CO INC
C-20 · also A, B, C-10, C-16… · Lic. #790932 · San Francisco 94121
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HEISES PLUMBING
C-20 · also A, C-10, C-36 · Lic. #1089561 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HELIOS CLIMATE INDUSTRIES
C-20 · Lic. #1120465 · San Francisco 94114
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HIGH ZONE BUILDING SERVICES
C-20 · also B, C-10, C-36 · Lic. #1044260 · San Francisco 94080
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOWE FURNACE COMPANY INC
C-20 · Lic. #278286 · San Francisco 94110
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
IY DEVELOPMENT & RENOVATION INC
C-20 · also B · Lic. #1077677 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JEREMY A EVERETT
C-20 · also C-36, C-42 · Lic. #948846 · San Francisco 94118
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOSEPH BRUNO SHEET METAL CO INC DBA STANDARD SHEET METAL AND
C-20 · also C-43 · Lic. #413299 · San Francisco 94107
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KEVEL HOME PERFORMANCE
C-20 · also B · Lic. #1021221 · San Francisco 94122
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KOHLER HEATING
C-20 · Lic. #951781 · San Francisco 94122
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KX CONSTRUCTION LLC
C-20 · also B, C-10, C-36, C-46 · Lic. #1158273 · San Francisco 94108
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LAMPO AC
C-20 · Lic. #1156999 · San Francisco 94115
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LEE INCORPORATED
C-20 · also A, ASB, B, C-10… · Lic. #724791 · San Francisco 94108
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LOPEZ HEATING
C-20 · Lic. #1025103 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LUMINALT ENERGY CORPORATION
C-20 · also B, C-10, C-46 · Lic. #845219 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LUTZ PLUMBING INC
C-20 · also C-16, C-36 · Lic. #503971 · San Francisco 94110
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
M C L HEATING & AIR CONDITIONING INC
C-20 · Lic. #989383 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAC TEC CONSTRUCTION COMPANY INC
C-20 · also A, B, C-10, C-16… · Lic. #999544 · San Francisco 94116
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAGIC PLUMBING HEATING & COOLING
C-20 · also C-36 · Lic. #698806 · San Francisco 94114
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MECH 23 INC
C-20 · also B, C-36 · Lic. #1054859 · San Francisco 94130
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MERINO INSTALLATION SERVICES LLC
C-20 · Lic. #1161275 · San Francisco 94110
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NANI HEATING & AIR CONDITIONING
C-20 · Lic. #1063316 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NBA ENGINEERING INC
C-20 · Lic. #654936 · San Francisco 94109
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NEON HEATING AND COOLING
C-20 · also C-10 · Lic. #1156494 · San Francisco 94122
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NEXT SERVICE INC
C-20 · also C-10 · Lic. #1104111 · San Francisco 94130
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NICK ROTHMAN
C-20 · Lic. #1153277 · San Francisco 94122
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NO LIMIT HEATING & AIR CONDITIONING
C-20 · Lic. #907886 · San Francisco 94134
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
O'KEEFFE MECHANICAL CO INC
C-20 · also B, C-4, C-10, C-23… · Lic. #687041 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OCEAN AIR HEATING
C-20 · Lic. #968927 · San Francisco 94127
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OCEANSIDE SHEETMETAL INC
C-20 · also B, C-36, C-43 · Lic. #968537 · San Francisco 94116
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PACIFIC CREST MECHANICAL
C-20 · Lic. #1157942 · San Francisco 94121
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PACIFIC RADIANT HEAT & CONSTRUCTION
C-20 · also B, C-4, C-16, C-36 · Lic. #952071 · San Francisco 94134
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
Q4 MECHANICAL CORPORATION
C-20 · also C-43 · Lic. #1006003 · San Francisco 94110
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RENSTROM PLUMBING & HEATING INC
C-20 · also C-36 · Lic. #556995 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RM HEATING & COOLING SOLUTIONS LLC
C-20 · Lic. #1137812 · San Francisco 94134
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROBERT YICK COMPANY INC
C-20 · also B, C-43 · Lic. #259281 · San Francisco 94133
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROCKLAND CONSTRUCTION GROUP INC
C-20 · also A, B, C-10, C-16… · Lic. #991635 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RSB CONSTRUCTION GROUP INC
C-20 · also A, B, C-10, C-16… · Lic. #1086260 · San Francisco 94127
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
S L MECHANICAL CONTRACTORS
C-20 · also C-43 · Lic. #697542 · San Francisco 94127
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SAN FRANCISCO HEATING AND COOLING
C-20 · also B · Lic. #981900 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SCHMITT HEATING CO INC
C-20 · also C-43 · Lic. #708941 · San Francisco 94107
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SKYTEC GENERAL ENGINEERING
C-20 · also A, B, C-10, C-16… · Lic. #1103936 · San Francisco 94105
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SURTEC CONSTRUCTION COMPANY INC
C-20 · also A, B, C-10, C-16… · Lic. #936254 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
T M MECHANICAL COMPANY INC
C-20 · also C-4, C-36 · Lic. #961018 · San Francisco 94130
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TD MECHANICAL SOLUTION INC
C-20 · Lic. #1156491 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TRAUBE CONSTRUCTION COMPANY
C-20 · also B, C-10 · Lic. #974146 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TWO GUYS PLUMBING INC DBA CABRILLO PLUMBING & HEATING
C-20 · also C-36 · Lic. #629538 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
UNITED HVAC REPAIR
C-20 · Lic. #1152346 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
VAYU INDUSTRIES INC
C-20 · Lic. #1127295 · San Francisco 94114
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
VOLODYMYR
C-20 · also A, B, C-10, C-16… · Lic. #897840 · San Francisco 94121
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WILLIAM DUARTE
C-20 · Lic. #1099006 · San Francisco 94103
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WILLIAM'S HEATING
C-20 · Lic. #766335 · San Francisco 94124
Workers' comp: License does not have current W/C · CSLB requires a policy for this class; ask
✓License Verified CSLB file · Oct 20, 2026
YAMA CONSTRUCTION
C-20 · also B, C-5, C-6, C-10… · Lic. #789630 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
YUM'S MECHANICAL CO INC
C-20 · also C-4, C-10, C-43 · Lic. #583839 · San Francisco 94124
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
Z & H MECHANICAL CONTRACTOR
C-20 · Lic. #901598 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ZH MECHANICAL INC
C-20 · Lic. #998449 · San Francisco 94112
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ZHAO DAVID HAIMING
C-20 · Lic. #1140992 · San Francisco 94116
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026