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Licensed HVAC contractors in Pittsburg
17 contractors with a Pittsburg 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. 17 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 Pittsburg 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 17 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–17.
AIR SYNERGY INC
C-20 · also C-36, C-38, C-43 · Lic. #1054064 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALPINE HEATING AND AIR
C-20 · Lic. #1157947 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ATLANTIS H V A C SERVICE
C-20 · Lic. #992458 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BAY AIR FLOW INCORPORATED
C-20 · Lic. #1084772 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BAY AREA COMFORT HVAC INC
C-20 · Lic. #1053211 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BAY AREA HVAC & REFRIGERATION
C-20 · also C-38 · Lic. #981538 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMFORTPRO HEATING & COOLING INC
C-20 · Lic. #1136093 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DEI MONTI INC
C-20 · also C-38 · Lic. #747609 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DX COOLING & HEATING INC
C-20 · also C-4 · Lic. #1105003 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ECO-PRO
C-20 · Lic. #1014880 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JUDIEH PLUMBING HEATING & AIR LLC
C-20 · also B, C-36 · Lic. #760777 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PICOLD HEATING AND AIR
C-20 · Lic. #1053495 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PROAIR SOLUTION CORP
C-20 · Lic. #1146183 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
STEWART HEATING & AIR INC
C-20 · also B, C-36, C-43 · Lic. #290747 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TRUE TEMP EXPERTS
C-20 · Lic. #1139553 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
UP & ABOVE HEATING AND COOLING SERVICES
C-20 · Lic. #1128431 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
URBAN CITY MECHANICAL
C-20 · Lic. #1093253 · Pittsburg 94565
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026