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Licensed HVAC contractors in Lake Forest
23 contractors with a Lake Forest 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. 21 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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Ad space · openAdvertise here
A Featured spot on this hvac page for Lake Forest 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 23 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–23. 1ST CHOICE HEATING & AIR CONDITIONING INC
C-20 · Lic. #1006824 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ACCOLADE AIR INC
C-20 · Lic. #1005513 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR CARE EXPERTS
C-20 · Lic. #764416 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIRFLOW SOLUTIONS HEATING & AIR COND
C-20 · Lic. #1089605 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALICIA AIR CONDITIONING & HEATING INC
C-20 · Lic. #525314 · Lake Forest 92630
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
AMERICAN HOME HEATING & AIR
C-20 · Lic. #803837 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B B HVAC
C-20 · Lic. #1063827 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BLUE AIR HVAC
C-20 · Lic. #933925 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BROWN MECHANICAL SERVICES
C-20 · also C-38 · Lic. #1097001 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CAMALI CORPORATION
C-20 · also B, C-10 · Lic. #714664 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DESIGNED TECHNICAL SOLUTIONS INC
C-20 · also B, C-10, C-36, C-39 · Lic. #874632 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FAMILY HEATING & AIR INC
C-20 · also C-38 · Lic. #957730 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JATO CONSTRUCTION
C-20 · also B, C-10 · Lic. #1045767 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
K KALKA HEATING PLUMBING & AIR INC DBA KALKA PLUMBING HEATING &
C-20 · also C-36 · Lic. #677889 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MARK PLOMARITIS
C-20 · also B · Lic. #945343 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MARTINEZ SERVICE HVAC
C-20 · Lic. #1030354 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OLSON SUPERIOR PLUMBING INC
C-20 · also C-36 · Lic. #1045399 · Lake Forest 92630
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
RANCHO VIEJO AIR CONDITIONING & HEATING
C-20 · Lic. #745018 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
REFRIGERATION SUPPLIES DISTRIBUTOR
C-20 · Lic. #888867 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SADDLEBACK PLUMBING INC
C-20 · also C-36 · Lic. #414946 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SADDLEBACK VALLEY AIR CONDITIONING & HEATING
C-20 · Lic. #443517 · Lake Forest 92609
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SAFE AIR SOLUTIONS CORP
C-20 · also C-2 · Lic. #1159816 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TY A MC DOUGALL
C-20 · Lic. #929299 · Lake Forest 92630
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026