Hanover Holdings Hanover Holdings Listed in Air Conditioning Contractors & Systems - Listings 5623 W Barstow AveFresno, California 93722 (559) 275-1146 Claim Listing Flag Listing Overview Map & Directions Contact/Other Phone (559) 275-1146Listing Category Air Conditioning Contractors & Systems - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?