Hvac contractors in Sunnyvale by the numbers
Sunnyvale is home to 17 licensed HVAC contractors (C-20, CSLB September 2026), about 4% of the 430 contractor licenses based here.
Nearby in Santa Clara County: San Jose (277), Santa Clara (41), Gilroy (40), Morgan Hill (29).
65% of Sunnyvale's C-20 licensees hold more than one classification — most often B General Building Contractor (35%), C-10 Electrical Contractor (29%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 41% sole owners, 53% corporations, 6% LLCs; median time licensed 17.5 years.
What carriers look at
For HVAC contractors, underwriters focus first on: service vans driven daily across a wide territory; and heat illness and falls working in attics and on rooftops. See the full coverage guide for HVAC contractors for limits, endorsements and workers' comp rules.
Get a quote
Asena Capital Insurance Services compares multiple markets for Sunnyvale contractors and requests additional insured endorsements for you when a contract calls for them. Call (858) 925-9555 or request a quote — only your name, phone and email are required. CA License #6008596.
Frequently asked questions
How many licensed HVAC contractors are in Sunnyvale?
17 active C-20 licenses have a business address in Sunnyvale (CSLB, September 2026); 94% carry workers' comp and 0% are filed exempt.
Can a C-20 HVAC contractor stay exempt from workers' comp?
No. Since January 1, 2023, every active C-20 license must have a current workers' comp policy on file with CSLB, with or without employees.