California › Orange County › HVAC › Fountain Valley
Licensed HVAC contractors in Fountain Valley
21 contractors with a Fountain Valley 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 Fountain Valley 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 21 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–21.
AEROSPHERE ELECTRIC
C-20 · also C-10 · Lic. #1108650 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALL STAR AIR SYSTEMS INC
C-20 · also B · Lic. #747924 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BRADLEY MECHANICAL INC
C-20 · Lic. #748290 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COAST HYDROJET & ROOTER
C-20 · also C-36 · Lic. #771970 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMMAND AIR CORP
C-20 · Lic. #942279 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
D C MECHANICAL
C-20 · Lic. #850497 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DO BUILDER & DESIGN INC
C-20 · also A, B, C-10, C-36… · Lic. #994497 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DONALD MANTHEY
C-20 · also B · Lic. #693589 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FASTECH
C-20 · also A, B, C-10, C-21… · Lic. #794519 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOANG HEATING AND AIR CONDITIONING
C-20 · Lic. #1080106 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KOOL-AIR INC
C-20 · Lic. #1015972 · Fountain Valley 92728
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAC5 CONSTRUCTION LLC
C-20 · also B, C-36, HAZ · Lic. #1025798 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAC5 MECHANICAL LLC
C-20 · also B, C-36 · Lic. #1108400 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PAN-PACIFIC MECHANICAL LLC
C-20 · also A, C-4, C-36, C-42… · Lic. #1006709 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
POWER MAX CONSTRUCTION INC
C-20 · also B, C-10 · Lic. #979961 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SPECIALTY COOLING INC
C-20 · also C-38 · Lic. #757637 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TECH 23 HEATING AND AIR CONDITIONING
C-20 · Lic. #1042988 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TEMPERATURE SPECIALIST INC
C-20 · Lic. #905279 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TOAN DAO
C-20 · Lic. #1076523 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TRANCO
C-20 · also B, C-10, C-38 · Lic. #645675 · Fountain Valley 91708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WORLD H V A C SERVICE INC
C-20 · Lic. #1055435 · Fountain Valley 92708
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026