Trinity Heating/Air Conditioning/Design Return to Central California Businesses Directory Trinity Heating/Air Conditioning/Design Claim Listing Return to Central California Businesses Directory Description Details Address 1309 N Blackstone Ave City Fresno State California ZIP Code 93703 Phone (559) 994-0950 Listing Category Air Conditioning Contractors & Systems - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?