The mission of the Plumbing-Heating-Cooling Contractors Wisconsin Association (PHCC) and Master Plumbers/Heating Cooling Association of Wisconsin (MP/HC) is to promote the professionalism and integrity of the Plumbing-Heating-Cooling industry in Wisconsin through education, training, and legislative action for the health, safety, and well-being of our members and the public. Our history is rich, with more than 125 years of service to plumbing-heating-cooling contractors in our state.