Founded in 2008 in Denver, Colorado, Greenstone brings the timeless warmth and efficiency of soapstone masonry heaters to North America. Our handcrafted heaters combine old-world craftsmanship with sustainable design, providing clean, radiant heat that lasts for generations. Trusted in off-grid homes and public spaces alike—including the U.S. Fish and Wildlife Service Visitor Center—Greenstone is redefining modern wood heat with beauty, sustainability, and performance.