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Northwest Mechanical hydronic heating experts in Seattle, specialize in residential radiant heat utilizing Buderus boilers, Wirsbo PEX, Tekmar controls, Amtrol expansion tanks, Grundfos pumps, Danfoss radiator valves, and Runtal radiators. We work with DIY'ers, architects, and homeowners to develop heating solutions for each individual: for the DIY: an online store with Nuheat mats and Wirsbo parts, for the architect: design services and newsletter, for the homeowner: install projects, fire sprinkler systems, and boiler service.