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Licensed HVAC contractors in Eureka

8 contractors with a Eureka 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. 8 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 Eureka 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 8 licensed HVAC contractors

Order: A–Z by business name (neutral, stated). Showing 1–8.
BELL'S HEATING
C-20 · Lic. #783077 · Eureka 95503
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BOB'S HEATING AND AIR SOLUTIONS INC
C-20 · Lic. #1013094 · Eureka 95503
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EVANS MECHANICAL INC
C-20 · also C-36 · Lic. #714688 · Eureka 95501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAC'S REFRIGERATION SERVICE
C-20 · also C-10, C-38 · Lic. #321031 · Eureka 95502
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAPLESERVICE INCORPORATED
C-20 · also A, C-4, C-36 · Lic. #767710 · Eureka 95501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
REDWOOD MECHANICAL
C-20 · Lic. #1032157 · Eureka 95501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SIX RIVERS MECHANICAL INC
C-20 · Lic. #1013735 · Eureka 95502
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WAYNE MAPLES PLUMBING & HEATING INC
C-20 · also A, C-4, C-16, C-36 · Lic. #747665 · Eureka 95501
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026