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Licensed HVAC contractors in Sonoma
12 contractors with a Sonoma 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. 12 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 Sonoma 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 12 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–12.
BODEN PLUMBING INC
C-20 · also C-36 · Lic. #659920 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HEALING COMFORT HEATING AIR & PLUMBING
C-20 · also C-36 · Lic. #1075338 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J CLARK HEATING & COOLING
C-20 · Lic. #1090153 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LENNON HEATING & AIR CONDITIONING INC
C-20 · also C-43 · Lic. #486309 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MCM MECHANICAL
C-20 · Lic. #1106825 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PEARCE HOME COMFORT INC
C-20 · Lic. #882004 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PETERSON MECHANICAL INC
C-20 · also B, C-4, C-16, C-34… · Lic. #171486 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RIDGEBACK MECHANICAL
C-20 · Lic. #1115184 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SEVERSON HEATING & COOLING
C-20 · also C-38 · Lic. #508393 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SONOMA COUNTY HEATING AND AIR LLC
C-20 · Lic. #1082557 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
TEMPEST ELECTRIC INC
C-20 · also C-10 · Lic. #1103971 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WINE COUNTY HVAC
C-20 · Lic. #931241 · Sonoma 95476
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026