A-1 Heating & Air Conditioning Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Plbg Heat AC Business Website Address a-1heating.net Business Address, City W8078 Hillcrest CT, Hortonville ZIP Code 54944 Business Phone Number 9207798838 Business Fax 9207796905 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?