Home heating that's safe, clean, efficient, and uses 70 to 90 percent less fuel than a typical woodstove. A rocket mass heater is an earthen masonry heating system which provides clean, safe and efficient warmth for your home, all while using 70-90 % less fuel than a traditional woodstove. These unique and beautiful installations provide luxurious comfort year-round. In cold weather a few hours of clean, hot burning can provide 20 or more hours of steady warmth, while the unit?s large thermal mass acts as a heat sink, cooling your home on sizzling summer days. Fully illustrated, The Rocket Mass Heater Builder's Guide combines comprehensive design, construction and installation instructions with maintenance and troubleshooting advice. Brick-by-brick layouts, diagrams, and architectural plans augmented with detailed parts drawings and photographs for clarity. Relevant and up-to-date code information and standards to help you navigate the approval process with local building departments. Earthen masonry heating systems are well-suited for natural and conventional builders alike. / "The Rocket Mass Heater Builder's Guide" offers an in-depth, step-by-step approach to the design, construction, installation, maintenance, and troubleshooting of rocket mass heaters?efficient, earth-like mass-destruction heating systems. The book combines technical instructions with extensive visual support: brick-by-brick drawings, schematics, architectural plans, component drawings, and photographs. Current building codes and standards are also considered, making the book both environmentally sound and practically applicable for both natural builders and traditional construction professionals.