{"product_id":"the-rocket-mass-heater-builders-guide-9780865718234","title":"The Rocket Mass Heater Builder's Guide","description":"\u003cp\u003e A rocket mass heater is an earthen masonry heating system which provides clean, and efficient warmth for your home, while using 70-90% less fuel than a woodstove. Fully illustrated, The Rocket Mass Heater Builder's Guide combines comprehensive design, construction and installation instructions with maintenance and troubleshooting advice. \u003c\/p\u003e","brand":"Erica Wisner","offers":[{"title":"Default Title","offer_id":48286907826427,"sku":"9780865718234","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/3917\/9771\/files\/9780865718234_cc0a6ba9-1cbe-4208-a1f6-4bc350b3bf57.jpg?v=1772483258","url":"https:\/\/indiepubs.com\/products\/the-rocket-mass-heater-builders-guide-9780865718234","provider":"IndiePubs","version":"1.0","type":"link"}