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In-Sink Plumbing, Heating, and HVAC is a full-service plumbing company in the Greater Flathead Valley, offering professional 24/7 plumbing and heating repair and installation services. With over 35 years of experience, our team of skilled technicians uses only the highest quality parts to ensure long-term satisfaction. We specialize in emergency plumbing repairs, new construction plumbing, heating, and HVAC services, including boiler repair, radiant heat, and bathroom remodeling.