California › Alameda County › HVAC › Oakland
Licensed HVAC contractors in Oakland
49 contractors with a Oakland 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. 46 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.
FeaturedAds · paid placement
Ad space · openAdvertise here
A Featured spot on this hvac page for Oakland 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 $89/mo. Join the waitlist →
Ad space · openAdvertise here
A Featured spot on this hvac page for Oakland 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 $89/mo. Join the waitlist →
All 49 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–49. ADVANCED REFRIGERATION
C-20 · also C-4, C-38 · Lic. #1017769 · Oakland 94603
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALASKA REFRIGERATION AIR CONDITIONING & HEATING CO
C-20 · also C-4, C-38 · Lic. #565401 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL SEASONS HEATING & AIR CONDITIONING
C-20 · Lic. #587252 · Oakland 94623
Workers' comp policy on file
Active — CSLB flag: "Liability Pend"
ASAP RODENT & REMODELING SOLUTIONS
C-20 · also B · Lic. #1126406 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ATTIC PROS INC
C-20 · also B, C-2, C-10, C-36 · Lic. #1022608 · Oakland 94603
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
BREATHABLE
C-20 · Lic. #979977 · Oakland 94612
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BROADWAY MECHANICAL - CONTRACTORS INC
C-20 · also A, B, C-4, C-12… · Lic. #584263 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BROADWAY MECHANICAL-BIG PIPE JOINT VENTURE
C-20 · also C-4, C-36, C-43 · Lic. #1074845 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BV MECHANICAL SERVICES LLC
C-20 · Lic. #1134400 · Oakland 94606
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CALIFORNIA HVAC
C-20 · Lic. #1085458 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CARE HEATING & AIR CONDITIONING INC
C-20 · Lic. #1023652 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CARTER'S HEATING & AIR
C-20 · Lic. #1013227 · Oakland 94605
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CHIEF'S REFRIGERATION AIR
C-20 · also C-38 · Lic. #447976 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
D P HEATING & AIR CONDITIONING
C-20 · Lic. #636826 · Oakland 94619
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DANIEL'S HEATING & A/C
C-20 · also C-36 · Lic. #1059101 · Oakland 94621
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
EASE H V A C
C-20 · Lic. #990471 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ECO ENERGY BAY AREA
C-20 · Lic. #1025592 · Oakland 94610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ELDEN PLUMBING INC
C-20 · also C-36, C-42 · Lic. #1015348 · Oakland 94606
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ELEMENT HEATING AND AIR
C-20 · also B · Lic. #997392 · Oakland 94611
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ENERGREEN MECHANICAL
C-20 · also C-38 · Lic. #1017148 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HARRY CLARK HEATING & AIR CONDITIONING INC
C-20 · Lic. #1056105 · Oakland 94611
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
HARRY CLARK PLUMBING AND HEATING INC
C-20 · also C-36, C-42 · Lic. #792463 · Oakland 94611
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
HEATING EXPERTS
C-20 · also B, C-36 · Lic. #489735 · Oakland 94611
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HEAVENLY HEATING & AIR INC
C-20 · Lic. #1146424 · Oakland 94610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC OREN SERVICES LLC
C-20 · also C-2 · Lic. #1048662 · Oakland 94603
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC PANDA HOME WIZARDS REMODELING & CONSTRUCTION
C-20 · also B · Lic. #1091692 · Oakland 94603
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INTERNATIONAL ENERGY RESOURCES LLC DBA AMBIENT EXPERTS HVAC
C-20 · Lic. #1049324 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J M CAMPBELL COMPANY INC
C-20 · also B, C-43 · Lic. #384593 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JAIME D RENDEROS INC DBA EHRET CO PLUMBING
C-20 · also B, C-36, C-42 · Lic. #834005 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOHNSON'S INSULATION
C-20 · also C-2, D-64 · Lic. #1051108 · Oakland 94612
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KCI
C-20 · also B, C-10, C-36 · Lic. #874124 · Oakland 94608
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LIAS MECHANICAL INC
C-20 · Lic. #817456 · Oakland 94603
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAUCK SHEET METAL
C-20 · also B, C-23, C-43 · Lic. #582359 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MIHAS HVAC INC
C-20 · Lic. #1149214 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MODERN HEATING AND AIR CONDITIONING
C-20 · Lic. #685104 · Oakland 94612
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MONARCH MECHANICAL
C-20 · also B, C-36, C-43 · Lic. #736565 · Oakland 94618
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MONTEREY AND MWH CONSTRUCTORS, A JOINT VENTURE
C-20 · also A, ASB, C-16, HAZ · Lic. #1063926 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MONTEREY MECHANICAL CO
C-20 · also A, B, C-4, C-12… · Lic. #388361 · Oakland 94621
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NESTLY HEATING AND COOLING
C-20 · Lic. #1158214 · Oakland 94619
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OLYMPIC HEATING AND AIR
C-20 · Lic. #918993 · Oakland 94602
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
R POWELL MECHANICAL
C-20 · Lic. #1139432 · Oakland 94610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RED FOX HEATING & COOLING
C-20 · Lic. #1095334 · Oakland 94605
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SEASIDE REFRIGERATION
C-20 · also C-38 · Lic. #981257 · Oakland 94603
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
STINE BUILDERS
C-20 · also B · Lic. #497655 · Oakland 94611
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SUPREME CLIMATE CONTROL
C-20 · also C-33, C-36 · Lic. #842936 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TOM'S REFRIGERATION HVAC INC
C-20 · also C-38 · Lic. #1109609 · Oakland 94601
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
VELASCO'S HEATING AND AIR CONDITIONING
C-20 · Lic. #1091060 · Oakland 94605
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
YEN LIN LI COMPANY INC
C-20 · also C-38 · Lic. #530114 · Oakland 94601
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
YOUR WARM FRIEND INC DBA ATLAS HEATING & AIR-CONDITIONING CO
C-20 · also C-43 · Lic. #489501 · Oakland 94608
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026