Maxwell Plumbing, Heating & CoolingLogo Design Contest Logo Design Contest Contests / Maxwell Plumbing, Heating & Cooling Maxwell Plumbing, Heating & Cooling has selected their winning logo design. For $375 they received 139 designs from 18 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by yonam Return to Contest Return to Contest Withdrawn New #51 Discussion No comments yet.