Helfrich Brothers Boiler Works Claim Listing Return to Directory Rating (average) (0) Business Genre Contractor, Plbg Heat AC Business Website Address hbbwinc.com Business Address, City 39 Merrimack St, Lawrence ZIP Code 01843 Business Phone Number 9786837244 Business Fax 9786830790 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?