RMO Plumbing Heating & Air Return to Fresno Area Businesses Directory Claim Listing Return to Fresno Area Businesses Directory Description Details Address PO Box 6138 City Fresno State California ZIP Code 93703 Phone (559) 485-4492 Listing Category Air Conditioning Contractors & Systems - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?