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Hot Folder Two Liter Air Conditioning
Number of replies: 25
Started by: Shawn Bell
Last post: May 20, 2018 14:32:39 by Peter VanDerWal

Hot Folder Intermittent Adsorption Refrigerator
Number of replies: 36
Started by: Marcos Buenijo
Last post: May 20, 2018 14:27:16 by Peter VanDerWal

Folder questionaire
Number of replies: 1
Started by: Redmizzel Sanchez
Last post: May 17, 2018 21:48:36 by Burra Maluca

!!!!! Hot Folder 2018 Off-Grid Rocket Kitchen Build, May 17-19
Number of replies: 27
Started by: Erica Wisner
Last post: May 17, 2018 14:45:45 by Jocelyn Campbell

Folder making alcohol from jerusalem artichokes
Number of replies: 3
Started by: Jeff Wesolowski
Last post: May 11, 2018 11:54:41 by Alissa Barrett

Wiki How to Make Your Own Emergency Home Battery Bank
Number of replies: 43
Started by: Cassie Langstraat
Last post: May 10, 2018 08:10:14 by Craig Dobbson
[ latest reply Go to page: 1, 2 ]

Folder Maintaining "Maintenance Free" Sealed Lead Acid Batteries
Number of replies: 4
Started by: Jeffrey Rush
Last post: Apr 29, 2018 01:23:31 by Tommy Wilder

Folder No dinkin' around - just build the figgin' thing!
Number of replies: 9
Started by: Spencer Miles
Last post: Apr 28, 2018 10:25:00 by Spencer Miles

Folder new boiler technology!!
Number of replies: 1
Started by: Wesley johnsen
Last post: Apr 23, 2018 06:12:10 by Chris Kott

Hot Folder washing dishes by hand vs. dishwasher: water, expense and time
Number of replies: 61
Started by: paul wheaton
Last post: Apr 15, 2018 19:40:22 by Eric Crouse
[ latest reply Go to page: 1, 2 ]

Folder Obtaining FREE BATTERIES (or really cheap ones)
Number of replies: 7
Started by: Jeffrey Rush
Last post: Apr 13, 2018 10:00:52 by Jeffrey Rush

Hot Folder Nickel-Iron 'Edison' Batteries
Number of replies: 71
Started by: Cam Mitchell
Last post: Apr 12, 2018 16:03:20 by Joshua Myrvaagnes
[ latest reply Go to page: 1, 2 ]

Folder Salvaging "Dead" Absorbent Glass Mat Batteries
Number of replies: 0
Started by: Jeffrey Rush
Last post: Apr 09, 2018 14:58:47 by Jeffrey Rush

Folder Renovating house...advice?
Number of replies: 2
Started by: Veronica Lynn
Last post: Apr 07, 2018 20:07:57 by William Bronson

Hot Folder Using a bicycle generator to recharge a battery bank
Number of replies: 47
Started by: John Smithe
Last post: Apr 01, 2018 23:07:47 by John McDoodle
[ latest reply Go to page: 1, 2 ]

Folder I want to set up a wood pellet mill
Number of replies: 14
Started by: Ada Smith
Last post: Mar 27, 2018 21:00:53 by Wales Zhao

Folder Illustrated book of appropriate technologies.
Number of replies: 0
Started by: Gregg Brazel
Last post: Mar 27, 2018 12:23:26 by Gregg Brazel

Folder What are my options for charging two cellphones and one blender?
Number of replies: 7
Started by: Minka Bug
Last post: Mar 21, 2018 09:19:09 by frank li

Folder Getting electricity directly from the soil
Number of replies: 9
Started by: Jon Guah
Last post: Mar 20, 2018 18:29:39 by Col Zimka

Folder energy from differences in ambient temperature
Number of replies: 6
Started by: R Jay
Last post: Mar 18, 2018 22:04:45 by R Jay

Hot Folder It is 2018 and incandescent is still better than LED
Number of replies: 121
Started by: paul wheaton
Last post: Mar 11, 2018 19:47:55 by Peter VanDerWal
[ latest reply Go to page: 1, 2, 3, 4 ]

Folder Pellet stoves
Number of replies: 9
Started by: Amanda Launchbury-Rainey
Last post: Mar 03, 2018 13:08:31 by Amanda Launchbury-Rainey

Folder Need to store surplus solar or microhydro energy, anyone?
Number of replies: 5
Started by: Timo Bressmer
Last post: Feb 25, 2018 11:12:02 by Timo Bressmer

Folder Thermoelectric Generators (TEGs)
Number of replies: 11
Started by: Jen Fan
Last post: Feb 21, 2018 02:06:29 by Ian Krase

Hot Folder really saving energy - eliminate the clothes dryer
Number of replies: 131
Started by: paul wheaton
Last post: Feb 12, 2018 07:07:13 by paul wheaton
[ latest reply Go to page: 1, 2, 3, 4 ]

Hot Folder Wood gas for heat and electricity
Number of replies: 48
Started by: Justin Jones
Last post: Feb 03, 2018 15:50:15 by Mike Phillipps
[ latest reply Go to page: 1, 2 ]

Folder Bicycle water pump + battery charge
Number of replies: 3
Started by: Manuel Munilla
Last post: Jan 19, 2018 03:14:54 by Ruth Jones

Folder Decentralized Power Production with RMH
Number of replies: 11
Started by: Adam Chadek
Last post: Jan 17, 2018 15:39:50 by Steve Farmer

Folder cooling with a vortex tube
Number of replies: 13
Started by: paul wheaton
Last post: Jan 14, 2018 19:04:26 by Dale Hodgins

Folder Fire logs made from compressed coffee grinds
Number of replies: 2
Started by: Matt Coston
Last post: Jan 13, 2018 09:58:31 by Matt Coston

Folder Homemade Edison Cell - a question to technically-minded members
Number of replies: 2
Started by: Dorian Stone
Last post: Jan 10, 2018 19:02:19 by Nick Kitchener

Folder My electrical power.   Needs & Wants.
Number of replies: 19
Started by: Dale Hodgins
Last post: Jan 03, 2018 13:24:43 by Dale Hodgins

Locked folder the new nuclear power - clean?
Number of replies: 36
Started by: paul wheaton
Last post: Dec 27, 2017 14:22:25 by r ranson

Folder Has anyone used a solar kit to power a greenhouse?
Number of replies: 2
Started by: Rebecca Branham
Last post: Dec 25, 2017 15:23:32 by William Bronson

Hot Folder ban on incandescent light bulbs
Number of replies: 108
Started by: paul wheaton
Last post: Dec 15, 2017 13:35:57 by paul wheaton
[ latest reply Go to page: 1, 2, 3 ]

Hot Folder CFL toxicity
Number of replies: 29
Started by: paul wheaton
Last post: Dec 15, 2017 13:25:16 by paul wheaton

Folder Dale's off grid cell phone reception and computer conectivity solutions. There's a flag pole.
Number of replies: 13
Started by: Dale Hodgins
Last post: Dec 10, 2017 23:11:33 by Dale Hodgins

Folder Thermoelectric Generators to supplement wintertime solar.
Number of replies: 15
Started by: frank li
Last post: Dec 08, 2017 17:35:43 by Peter VanDerWal

Hot Folder Charcoal as Fuel. Ethical?
Number of replies: 30
Started by: Jeff Hodgins
Last post: Nov 24, 2017 09:36:37 by Chris Kott

Folder Why so many charge controllers?
Number of replies: 6
Started by: Joe Wamsley
Last post: Nov 18, 2017 20:07:56 by Joe Wamsley

Hot Folder Unlimited Fuel In Perpetuity for Free in Theory - ethanol from spirulina
Number of replies: 32
Started by: Winston Greene
Last post: Nov 17, 2017 16:24:51 by Winston Greene

Folder black socks surprisingly warm my feet in the sun--observation for winter working
Number of replies: 1
Started by: Joshua Myrvaagnes
Last post: Nov 17, 2017 11:08:07 by Judith Browning

Folder Thermosiphon Direction of travel
Number of replies: 5
Started by: Jeff Watt
Last post: Nov 13, 2017 04:44:19 by James Freyr



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