It seems almost too good to be true: make high-value organic compost
while generating reliable combustion-free heat. But it works, and this
book is your practical introduction. With detailed case studies of large
scale engineered systems and plans for constructing small DIY systems,
you'll find step-by-step illustrations and photos to guide you through
the process. A review of calculations to help you estimate the heating
capabilities of various approaches and other planning tools make this
book invaluable for compost heat recovery on any scale.