California › Los Angeles County › HVAC › Glendora
Licensed HVAC contractors in Glendora
36 contractors with a Glendora 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. 36 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 Glendora 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 36 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–36. ACCURATE ELECTRIC, PLUMBING, HEATING AND AIR
C-20 · also C-10, C-36 · Lic. #860517 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AE TECHNIC INC
C-20 · also A, B, C-10, C-46 · Lic. #906078 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR CONTROL CONTRACTORS - HEATING AND AIR CONDITIONING
C-20 · Lic. #819733 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AIR TRIM HEATING AND AIR CONDITIONING
C-20 · Lic. #931805 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AMEDURI HEATING & AIR CONDITIONING INC
C-20 · Lic. #1032139 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARGO CONTRACTOR SERVICES INC
C-20 · also B, C-10, C-38 · Lic. #632879 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B-P AIR INC
C-20 · Lic. #631883 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CAL-WEST MECHANICAL LLC
C-20 · Lic. #858850 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CANYON CITY AIR
C-20 · Lic. #1103874 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMFORT ZONE INC
C-20 · Lic. #760955 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COOLER DAYS HVAC
C-20 · Lic. #1153232 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CYPRESS HEATING & AIR CONDITIONING
C-20 · also C-36, C-38 · Lic. #302865 · Glendora 91741
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
CYPRESS HEATING & AIR CONDITIONING INC
C-20 · also C-36, C-38 · Lic. #593268 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EIKON HVAC INC
C-20 · Lic. #1136841 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GLENDORA HILLS AC AND HEAT
C-20 · Lic. #1123854 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GLENDORA PLUMBING & HEATING INC
C-20 · also C-36 · Lic. #388123 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC CHAMPIONS
C-20 · Lic. #1087094 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC TECH
C-20 · Lic. #1127005 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ICY HOT HEATING & AIR CONDITIONING
C-20 · Lic. #970023 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JET AIR SOLUTIONS LLC
C-20 · Lic. #1155647 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JORDANAIR INC
C-20 · also B, C-10, C-36 · Lic. #560429 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KING UNLIMITED
C-20 · Lic. #523208 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LUGG HVAC SERVICES
C-20 · Lic. #1153600 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LUIS EDGAR NAVA
C-20 · also C-10 · Lic. #1024859 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NOY'S AIR CONDITIONING AND HEATING
C-20 · Lic. #956675 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
O'MAHONY AIR CONDITIONING AND HEATING INC
C-20 · Lic. #871945 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OPTIMUM HEATING AND AIR CONDITIONING
C-20 · Lic. #856737 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
P & A MECHANICAL
C-20 · Lic. #1120042 · Glendora 91471
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RE AIR INC
C-20 · Lic. #595054 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RODNEY OVERSTREET PLUMBING HEATING AND AC DBA R D SMITH HEATING
C-20 · also C-36 · Lic. #1015727 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RS AIR CONDITIONING & HEATING
C-20 · Lic. #966380 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SPECTRUM POWER AND ELECTRIC
C-20 · also C-10 · Lic. #904139 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TRUE HVAC COMFORT
C-20 · Lic. #1143889 · Glendora 91741
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
USA ELECTRICIANS SERVICE INC
C-20 · also B, C-10, C-36 · Lic. #1078816 · Glendora 91740
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WELLS DEVELOPMENT AND CONSTRUCTION INC
C-20 · also B, C-10 · Lic. #700198 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WEN YUAN FAN
C-20 · also B, C-10 · Lic. #1150225 · Glendora 91741
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026