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CPI Plumbing & Heating is your trusted expert for plumbing and HVAC services in Mount Vernon, Burlington, Sedro-Woolley, Anacortes, Oak Harbor, La Conner, and surrounding areas. With over 100 years of combined experience, we specialize in water heaters, leak repair, repiping, drain cleaning, water filtration, and general plumbing services. Our heating and cooling team handles furnaces, ductless mini-splits, heat pumps, air conditioning, and indoor air quality systems. Whether it's an emergency plumbing call or routine HVAC maintenance, we’re dedicated to comfort, efficiency, and dependable service. At CPI Plumbing & Heating, we treat you like family-providing reliable home comfort all year round.