CPI Plumbing, Heating & Cooling Oak Harbor

CPI Plumbing, Heating & Cooling proudly brings over 100 years of combined experience to Oak Harbor, Anacortes, Coupeville, Freeland, Clinton, Greenbank, Langley, Camano Island, Stanwood, and surrounding areas. We’re a full-service plumbing, heating, and cooling company offering expert solutions in water heaters, filtration systems, leak repair, repiping, drain cleaning, ductless mini-splits, heat pumps, furnaces, AC repair, and indoor air quality. Whether it’s a plumbing emergency or seasonal HVAC maintenance, our trusted team is committed to reliable service and total home comfort. At CPI, we treat every customer like family.