Derr Heating & Cooling, LLC serves Kingston and Kitsap County, Washington with over 30 years of experience in radiant heating, tankless water heating, geothermal heating, forced air systems, and furnace installation and repair. The family-owned company installs and services geothermal heat pump systems alongside air-source and ductless mini-split heat pumps, providing ground-source heating and cooling suited to the temperate maritime climate of western Washington. Geothermal systems extract heat stored in the ground through buried loop fields, delivering efficient year-round comfort for homes across the Kitsap Peninsula. As a WaterFurnace dealer, Derr provides manufacturer-backed geothermal equipment, installation, and ongoing service. The company is also a licensed electrical contractor, offering generator installations and home electrical work to complement its heating and cooling services.
Verified active operator per https://derrheating.com/, the Kitsap Builds member directory, and the WaterFurnace dealer locator (WA bundle audit 2026-06-02).
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