Plumbing, heating or air conditioning needs? Don’t Cry, Call CPI! Offering a complete range of plumbing, heating and air conditioning repairs, replacement, installation and maintenance, no job is too complex for our experts. Proudly serving the Skagit, Island, North Snohomish and Whatcom Counties for over 30 years, CPI Plumbing & Heating handles every job with competency, professionalism and integrity. Backed by over 100 years of combined experience, we go above and beyond to exceed our customers’ expectations every time. Available 24/7 to handle emergencies.