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Licensed HVAC contractors in Foothill Ranch
6 contractors with a Foothill Ranch 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. 6 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 Foothill Ranch 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 Foothill Ranch 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 6 licensed HVAC contractorsOrder: A–Z by business name (neutral, stated). Showing 1–6.
AIROTECH
C-20 · Lic. #994357 · Foothill Ranch 92610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GOING GREEN NRG INC
C-20 · also C-10 · Lic. #957376 · Foothill Ranch 92610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOHN L NUNEZ
C-20 · also B · Lic. #561241 · Foothill Ranch 92610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MAKSBUILDER
C-20 · also B · Lic. #1095368 · Foothill Ranch 92610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SLOAN MECHANICAL
C-20 · Lic. #946467 · Foothill Ranch 92610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WHITE MECHANICAL INC
C-20 · also C-38 · Lic. #822474 · Foothill Ranch 92610
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026