Sound Geothermal is a Washington corporation, founded in 1997, consisting of an innovative design group focusing on various energy saving building technologies, primarily utilizing ground source heat pump or GeoExchange systems. Our specialty is assessing the thermal resources of a site and utilizing those resources to design an innovative and cost-effective ground-coupled HVAC system. We also provide
Peter Phillips — As a Hydronics Contractor, I appreciate working on SGT systems. Mark and Blake are very knowledgeable, helpful, intelligent