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Licensed HVAC contractors in Monrovia
15 contractors with a Monrovia 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. 15 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 Monrovia 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 15 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–15. 4 SEASONS HVAC
C-20 · Lic. #1033914 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
A & M HEATING & AIR CONDITIONING
C-20 · Lic. #742975 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR TRO INCORPORATED
C-20 · also B, C-10, C-36, C-38 · Lic. #258228 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AMERICAN PIPELINE SERVICES
C-20 · also A, C-36, C-55, HAZ · Lic. #987779 · Monrovia 91017
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARYCO H V A C
C-20 · Lic. #673436 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ASSET AIR & PLUMBING
C-20 · also C-10, C-36 · Lic. #1142914 · Monrovia 91017
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BRYANT HEATING & AIR CONDITIONING
C-20 · Lic. #948151 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GASPERAIR INC
C-20 · also D-62 · Lic. #810216 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
IWAI COOLING AND HEATING
C-20 · Lic. #778839 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JCR PLUMBING INC
C-20 · also C-36 · Lic. #1073237 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MOUNTAIN AIRE SERVICES
C-20 · also B, C-10, C-36 · Lic. #742211 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PRATT COOLING & HEATING INC
C-20 · Lic. #715545 · Monrovia 91017
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROBERT G WELLS JR
C-20 · also C-10 · Lic. #389202 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
S H PLUMBING HEATING & AIR CONDITIONING
C-20 · also C-36 · Lic. #707018 · Monrovia 91017
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
S J S HEATING & A/C
C-20 · Lic. #804895 · Monrovia 91016
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026