SPN-17 (Instrumentation): Minimalist heater/pump control system

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Testimonials

“Everyone and anyone interested in biogas should own this book! Everyone and anyone teaching biogas MUST have this book.”

Janice Kelsey, moderator

Solar Cities Facebook Methanogens page

“That book [The Complete Biogas Handbook] was the most helpful piece of literature I could find back in 2008 when I first started building digesters.... [for] my thesis research... I highly recommend!”

Zachary Dowell

Solar Cities Facebook Methanogen's page

“Even after decades, David House's ‘The Complete Biogas Handbook’ is still the best introduction to digestion systems in English.”

Biogas Bob Hamburg

Facebook Methanogens group

The Jean-Pain method “...seemed pretty straight forward-— yard waste steeped in water for 2 weeks, add heat from a compost pile, would yield CH₄. Clearly the assumptions that I gleaned were wrong.… Your book seems to be the most comprehensive [source of information] while being written for the layman.”

Christian René Loraine

by email

“I highly recommend ‘The Complete Biogas Handbook’ by David William House…. It's still the best single manual out there to teach and learn from. From a practical beginner, to a long-time professional, there's plenty for everyone.”

Jeffrey L. Frusha, owner, Lone Star Biogas

Solar C³ITIES and Facebook 'Methanogens' group and personal communication

“Let me say how useful and insightful I have found your book…. It’s a great resource and I tend not to go very far without it— It’s now thoroughly dog-eared and a little slurry splattered!”

From a gentleman in Tanzania creating a business in small-scale digesters

“All small-scale biogas enthusiasts should be familiar with D House’s Handbook. Since its first edition 20+ years ago, it has provided by far the most comprehensive, relevant, and accessible introduction to biogas systems in the English language. …David has provided a wonderful resource for furthering ‘dragon husbandry’.”

Bob Hamburg

www.dragonhusbandry.com

“…I highly highly highly recommend you purchase the Biogas Handbook by David William House.... It is ‘the bible of biogas’.”

T.H. Culhane, renowned biogas enthusiast, founder of Solar C³ITIES, and inventor of the IBC biodigester

Solar C³ITIES and Facebook 'Methanogens' group

“Our team finds your book the most helpful biogas and biodigestion book available.... Your book [is] the textbook for our students... in Madagascar....”

Merry

Vort Port International, an NGO working to assist the poor

“Thank you for your excellent book. I am developing a regional-scale food waste… digester.… Your book has been a huge help to me.…”

A Program Analyst for a county Waste Management Authority— a professional in the field

“…very informative about the topic with a very deep coverage… easy to understand and to find what you are looking for…. very funny… this bible of biogas….”

A business development expert creating alternative energy projects and biogas plants worldwide

“…bringing together material of importance that has hitherto been spread far and wide.”

Steve Smyser, Editor

Organic Gardening

“Your book… is, without a doubt, the best book out there on small digesters! Bravo, sir! …Your book will be at the top of the recommended reading section.”

Rich Dana, Energy Specialist

National Center for Appropriate Technology

“…A thorough introduction not only to biogas plants but to… gas utilization, engine/generator interfacing, refrigeration, and similar topics.”

Alternative Sources of Energy (the magazine)

“This readable book provides a comprehensive survey of the theory and practice of biogas production.”

Mother Earth News

“Hoo BOY, is it complete! …So lots of the numbers you need are here…. If biogas interests you enough to consider making a generator [digester], this book is your next assignment.”

J. Baldwin

The Next Whole Earth Catalog

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The Complete Biogas Handbook

The Bible of Biogas: Giving the world gas since 1976

SPN-17 (Instrumentation): Minimalist heater/pump control system