Guarantee Heating-Aircondition Return to Fresno Area Businesses Directory Guarantee Heating-Aircondition Claim Listing Return to Fresno Area Businesses Directory Description Details Address 623 E Portland Ave City Fresno State California ZIP Code 93720 Phone 559 790-8730 Listing Category Heating Contractors - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?