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Licensed HVAC contractors in Los Alamitos
10 contractors with a Los Alamitos 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. 10 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 Los Alamitos 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 10 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–10. AIR PRO HEATING AND AIR CONDITIONING
C-20 · Lic. #1105401 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR TECHNICAL SERVICES INC
C-20 · Lic. #470723 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIRPOINT HEATING & AIR CONDITIONING
C-20 · Lic. #1094312 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CLIMATE PRO MECHANICAL INC
C-20 · Lic. #873465 · Los Alamitos 90720
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
DOUGLAS MECHANICAL SERVICES
C-20 · Lic. #1021651 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC BROS LLC
C-20 · Lic. #1129265 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JAV - AIR HEATING & AIR CONDITIONING INC
C-20 · Lic. #754098 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KLM HVAC & REFRIGERATION
C-20 · also C-38 · Lic. #499313 · Los Alamitos 90720
Workers' comp policy on file
Active — CSLB flag: renewal received
PRECISION COMFORT SYSTEMS
C-20 · Lic. #956819 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SEACLIFF MECHANICAL SERVICES LLC
C-20 · also C-4, C-36, C-38 · Lic. #1058395 · Los Alamitos 90720
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026