Amvik eBook Solutions

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 syst

Masonry Heaters is a complete guide to designing and living with one of the oldest, and yet one of the newest, heating devices. A masonry heater’s design, pla

Simple, easy to read plans allow you to build your own super efficient batch rocket mass heater. Easy to cut and work with, ceramic fiber board allows easy, qui

Cob, a structural composite of earth, water, straw, clay, and sand, has been used for centuries, in virtually all parts of the world, to create homes ranging fr