California › Los Angeles County › HVAC › Walnut
Licensed HVAC contractors in Walnut
23 contractors with a Walnut 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. 23 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 Walnut 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 Walnut 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 23 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–23.
AIR CARESAVER CORP
C-20 · Lic. #1054832 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR TEMPERATURE CONTROL
C-20 · Lic. #449261 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALLIANCE INDUSTRIAL REFRIGERATION SERVICES INC
C-20 · also B, C-38 · Lic. #825297 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALLSTAR HEATING & AIR CONDITIONING INC
C-20 · Lic. #969939 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AOLUS HVAC
C-20 · Lic. #1159822 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AURUM CONSTRUCTION
C-20 · also B · Lic. #1111999 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CINDA CONSTRUCTION INC
C-20 · also A, B · Lic. #890143 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DAVID'S REPAIR CENTER
C-20 · Lic. #750042 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DL HVAC
C-20 · Lic. #1120809 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EXCELLENT GMEP CONSTRUCTION INC
C-20 · also B, C-10 · Lic. #1026917 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EXPERT HVAC SERVICE INC
C-20 · also B, C-36, C-46 · Lic. #1115612 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HY HVAC SERVICE
C-20 · also C-10 · Lic. #1145147 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
I GO HEATING & AIR CONDITIONING
C-20 · Lic. #998354 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
I GO HEATING & AIR CONDITIONING INC
C-20 · Lic. #1049231 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J C AIR CONDITIONING INC
C-20 · Lic. #1009208 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JAY'S SERVICES
C-20 · Lic. #732053 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JD AIR
C-20 · Lic. #1091749 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LZ COMFORT HOME
C-20 · also C-10 · Lic. #1081673 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
POMONA VALLEY PLUMBING HEATING AIR CONDITIONING CO INC
C-20 · also C-36 · Lic. #1019549 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
QUINTO HEATING AND AIR
C-20 · Lic. #1082953 · Walnut 91788
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
S T W HVAC
C-20 · Lic. #968650 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
STEVE'S HEATING & AIR CONDITIONING
C-20 · Lic. #1029672 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WEATHERITE CORPORATION
C-20 · Lic. #451778 · Walnut 91789
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026