SolarCraft Celebrates 40 Years of Sustainability with the Introduction of Ductless Heat Pumps. SolarCraft, a leading provider of solar energy and battery storage solutions in Marin, Sonoma, and Napa counties, is thrilled to announce the addition of ductless heat pump systems to its suite of energy-efficient home solutions. As the company celebrates 40 years of serving Northern California, this innovative offering marks another milestone in SolarCraft’s commitment to providing sustainable, locally