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out how LogoTournament works How LogoTournament works Contest Entries by siver_one Return to Contest Return to Contest Withdrawn New #6 Discussion No comments yet.