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Licensed HVAC contractors in Montclair
11 contractors with a Montclair 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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A Featured spot on this hvac page for Montclair 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 11 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–11. B AND N HEATING AND AIR
C-20 · also C-38 · Lic. #997546 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BEST ELECTRIC AND AIR
C-20 · also C-10 · Lic. #872298 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOMETOWN MECHANICAL INC
C-20 · Lic. #1066366 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INDOOR NEUTRALIZATION DESIGNATED OPERATIONS HVAC
C-20 · Lic. #1064451 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KLAUS & SONS PLUMBING HEATING & AIR CONDITIONING
C-20 · also C-10, C-16, C-36 · Lic. #320990 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
M A OGG HEATING & AIR CONDITIONING INC
C-20 · Lic. #489652 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
QUALITY CONSERVATION SERVICES
C-20 · also B, C-2, C-10, C-36… · Lic. #1034739 · Montclair 91763
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
SHENG-TIEN TSAI
C-20 · also B · Lic. #980128 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TALEE INC
C-20 · also B · Lic. #1082609 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WEST-TECH MECHANICAL INC
C-20 · Lic. #597398 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ZAFI AIR CONDITIONING AND CONSULTING INC
C-20 · Lic. #1089147 · Montclair 91763
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026