California › Napa County › HVAC › Napa
Licensed HVAC contractors in Napa
19 contractors with a Napa 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. 19 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.
FeaturedAds · paid placement
Ad space · openAdvertise here
A Featured spot on this hvac page for Napa 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 →
Ad space · openAdvertise here
A Featured spot on this hvac page for Napa 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 19 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–19. ACH PRO MECHANICAL
C-20 · Lic. #1131437 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ADAMECK HVAC INC
C-20 · Lic. #1035976 · Napa 94858
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BELL PRODUCTS INC
C-20 · also A, B, C-4, C-36… · Lic. #171534 · Napa 94559
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CM HEATING AND AIR
C-20 · Lic. #1118376 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CUSTOM HEATING AND AIR CONDITIONING
C-20 · Lic. #825646 · Napa 94581
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DENNY'S HEATING & AIR CONDITIONING LLC
C-20 · also C-43 · Lic. #688217 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EAGLE HEATING & AIR CONDITIONING
C-20 · Lic. #783917 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FOX-HEATING AIR CONDITIONING AND REFRIGERATION
C-20 · Lic. #1159425 · Napa 94559
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INTEGRITY SHEET METAL
C-20 · also C-43 · Lic. #769852 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JEREMY JACK INC DBA STANDARD HVAC
C-20 · also B · Lic. #901905 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JORDAN MECHANICAL INC
C-20 · Lic. #1054471 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JRE HEATING AND AIR
C-20 · Lic. #1064819 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JVG COOLING & HEATING SOLUTIONS LLC
C-20 · also B, C-10 · Lic. #1103018 · Napa 94559
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LH HEATING AND AIR
C-20 · Lic. #1103438 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MRI HEATING AND AIR CONDITIONING
C-20 · Lic. #1110749 · Napa 94559
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RELIABLE REFRIGERATION
C-20 · also C-38 · Lic. #467256 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
STEVE'S HEATING & COOLING
C-20 · Lic. #612317 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SUN HEATING & AIR CONDITIONING
C-20 · also C-43 · Lic. #559498 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
Z S HEATING AND AIR INC
C-20 · Lic. #1050971 · Napa 94558
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026