Diamond Heating provides the Oregon North Coast & SW Washington with Professional and High Quality HVAC products and services and the largest offering of Fireplaces at the Coast. Our sales and technical experts can recommend the most appropriate solutions for your residential or commercial spaces. We offer a wide variety of fireplaces, stoves, custom fire pits, ducted and ductless systems by Lennox, Trane, and Mitsubishi, on-demand hot water heaters, smart thermostats, boilers, AC systems and much more.