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Licensed HVAC contractors in Sebastopol
11 contractors with a Sebastopol 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. 11 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 Sebastopol 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 11 licensed HVAC contractors
Order: A–Z by business name (neutral, stated). Showing 1–11. ATMOSAIR HEATING AND AIR CONDITIONING
C-20 · also C-4 · Lic. #732398 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
COMFORT FACTOR MECHANICAL INC
C-20 · Lic. #1127784 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
D L G ELECTRIC
C-20 · also B, C-10, C-36 · Lic. #851506 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOYT PLUMBING
C-20 · also C-36 · Lic. #774469 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HVAC ESSENTIALS
C-20 · Lic. #1090974 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JUSTIN LEWIS
C-20 · Lic. #828413 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KMK HEATING & AIR
C-20 · Lic. #1125625 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROGERS SERVICES
C-20 · Lic. #555201 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROY MECHANICAL SERVICES INCORPORATED
C-20 · also C-43 · Lic. #876217 · Sebastopol 95473
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SUSTAINABLE LIVING BUILDERS INC
C-20 · also B, C-10, C-39 · Lic. #1049147 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ZERO ENERGY ASSOCIATES
C-20 · also B, C-10, C-46 · Lic. #820063 · Sebastopol 95472
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026