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Folder Can 55 gallon metal drums be used in hot water production
Number of replies: 0
Started by: Aaron McKinley
Last post: Oct 21, 2017 08:48:38 by Aaron McKinley

Folder Woodchip Compost Heater-Outside Insulation Alternative
Number of replies: 5
Started by: Aaron McKinley
Last post: Oct 20, 2017 22:29:37 by Roberto pokachinni

Hot Folder Why Paul Wheaton is Wrong About CFLs
Number of replies: 76
Started by: cryptorchidism McCoy
Last post: Oct 17, 2017 13:10:41 by Lincoln Zaegen
[ latest reply Go to page: 1, 2 ]

Hot Folder It is 2017 and incandescent is still better than LED
Number of replies: 91
Started by: paul wheaton
Last post: Oct 15, 2017 23:07:09 by William Wallace
[ latest reply Go to page: 1, 2, 3 ]

Hot Folder really saving energy - eliminate the clothes dryer
Number of replies: 128
Started by: paul wheaton
Last post: Oct 13, 2017 04:10:35 by Olga Booker
[ latest reply Go to page: 1, 2, 3, 4 ]

Folder Heating water with (not for) coffee.
Number of replies: 8
Started by: Jeff Watt
Last post: Oct 11, 2017 14:44:04 by Juan Sebastian Estrada

Hot Folder washing dishes by hand vs. dishwasher: water, expense and time
Number of replies: 59
Started by: paul wheaton
Last post: Oct 11, 2017 09:21:40 by Peter VanDerWal
[ latest reply Go to page: 1, 2 ]

Folder DC powered ground source heat pump?
Number of replies: 2
Started by: huy lupacexi
Last post: Oct 11, 2017 08:18:04 by Peter VanDerWal

Hot Folder ban on incandescent light bulbs
Number of replies: 107
Started by: paul wheaton
Last post: Oct 02, 2017 19:05:09 by Gail Gardner
[ latest reply Go to page: 1, 2, 3 ]

Hot Folder bragging: lower energy footprint
Number of replies: 117
Started by: paul wheaton
Last post: Oct 02, 2017 06:45:24 by Michael Jay Anthony
[ latest reply Go to page: 1, 2, 3 ]

Hot Folder make your own incandescent light bulb
Number of replies: 31
Started by: paul wheaton
Last post: Sep 30, 2017 15:32:41 by Gail Gardner

Folder Do LEDs cause eye strain or make it harder to see?
Number of replies: 5
Started by: Nicole Alderman
Last post: Sep 30, 2017 14:21:34 by Greg Martin

Hot Folder Nickel-Iron 'Edison' Batteries
Number of replies: 66
Started by: Cam Mitchell
Last post: Sep 16, 2017 22:58:03 by Dave Dahlsrud
[ latest reply Go to page: 1, 2 ]

Folder Jean Pain compost mound temperature is dropping after 3 weeks...advice?
Number of replies: 3
Started by: zeek mcgalla
Last post: Sep 16, 2017 10:48:21 by Roberto pokachinni

Folder Community Choice Energy Interview, Monterey, CA
Number of replies: 0
Started by: Daniel Brodell-Lake
Last post: Aug 29, 2017 16:55:28 by Daniel Brodell-Lake

Folder Roping energy
Number of replies: 3
Started by: Fred King
Last post: Aug 27, 2017 11:51:28 by Travis Johnson

Folder Energy generating spinning wheel
Number of replies: 0
Started by: r ranson
Last post: Aug 25, 2017 19:21:56 by r ranson

Folder looking for wood pellet micro CHP (combined heat and power) system in USA
Number of replies: 5
Started by: Wesley johnsen
Last post: Aug 22, 2017 08:09:11 by Alex Colchester

Hot Folder Rocket Mass Wood Dryer - An Ecoquest Project for Willie Smits
Number of replies: 58
Started by: Olof Jönnerstig
Last post: Aug 08, 2017 03:11:32 by Jason Learned
[ latest reply Go to page: 1, 2 ]

Hot Folder Another take on off grid refrigeration...
Number of replies: 22
Started by: Creighton Samuiels
Last post: Jul 25, 2017 18:32:09 by Peter VanDerWal

Folder my old doomsday generator (exercise-bike modified)
Number of replies: 10
Started by: John McDoodle
Last post: Jul 19, 2017 18:46:43 by John McDoodle

Hot Folder Intermittent Adsorption Refrigerator
Number of replies: 35
Started by: Marcos Buenijo
Last post: Jul 19, 2017 06:50:26 by Mario Lazetti

Hot Folder Unlimited Fuel In Perpetuity for Free in Theory - ethanol from spirulina
Number of replies: 29
Started by: Winston Greene
Last post: Jul 07, 2017 21:55:10 by Dale Hodgins

Folder Jean Pain Mound- PLEASE HELP - it's leaking!!
Number of replies: 3
Started by: spence zack
Last post: Jul 05, 2017 21:33:06 by spence zack

Folder Rowing machine washing machine
Number of replies: 3
Started by: Dale Hodgins
Last post: Jul 01, 2017 14:17:47 by Dale Hodgins

Hot Folder Wood gas for heat and electricity
Number of replies: 30
Started by: Justin Jones
Last post: Jun 27, 2017 11:21:11 by R Jay

Folder Help hooking up circulation pump. Jean Pain mound.
Number of replies: 6
Started by: zeek mcgalla
Last post: Jun 24, 2017 08:23:36 by Kevin Derheimer

Folder Dale's Automotive clothes washing machine.
Number of replies: 6
Started by: Dale Hodgins
Last post: Jun 19, 2017 10:48:11 by Dale Hodgins

Folder Appropriate Technology Course Teacher's Notes by Tim Barker (DRAFT)
Number of replies: 7
Started by: Tracy Wandling
Last post: Jun 12, 2017 17:10:48 by Erica Wisner

Folder First Wood Then Plastic! using waste plastic as fuel
Number of replies: 8
Started by: Byron Gagne
Last post: Jun 09, 2017 18:08:11 by Dale Hodgins

Folder Wash your car without water? Or don't wash it at all?
Number of replies: 15
Started by: MJ Solaro
Last post: Jun 08, 2017 08:03:17 by Dale Hodgins

Folder Newbie Inverter/Charger Help
Number of replies: 1
Started by: Kyle Haycock
Last post: May 24, 2017 16:25:17 by Joseph Johnson

Folder Chicken Poop and Sunflowers
Number of replies: 0
Started by: J.D. Ray
Last post: May 04, 2017 14:38:22 by J.D. Ray

Folder DIY Solar Oven
Number of replies: 18
Started by: Konstantinos Karoubas
Last post: Apr 27, 2017 21:05:47 by Konstantinos Karoubas

Folder Space heating with compost
Number of replies: 3
Started by: jeff burkinshaw
Last post: Apr 18, 2017 19:42:44 by Milo Jones

Folder Inventor of the L-ion battery anounces a new break through battery
Number of replies: 7
Started by: Devin Lavign
Last post: Apr 18, 2017 14:08:24 by John Weiland

Folder "Reversible'' Ammonia Battery recharged by 'low value' waste heat
Number of replies: 3
Started by: allen lumley
Last post: Apr 06, 2017 10:05:42 by Henri Lentonen

Hot Folder Forget the hand crank and the bicycle, consider the treadle...
Number of replies: 25
Started by: Blackout Hatfield
Last post: Apr 03, 2017 14:06:30 by Cd Greier

Folder You’ve gone off-grid? why not grid-tied?
Number of replies: 10
Started by: Joel Bercardin
Last post: Apr 02, 2017 20:09:21 by Daron Williams

Folder More efficient wood gas generator
Number of replies: 5
Started by: Henri Lentonen
Last post: Apr 02, 2017 10:49:41 by Henri Lentonen

Folder Alternative electrolytes for lead acid batteries
Number of replies: 3
Started by: Karl Trepka
Last post: Mar 29, 2017 23:22:03 by Henri Lentonen

Folder Solar Station: DIY Solar Plans by Ben Peterson
Number of replies: 6
Started by: Burra Maluca
Last post: Mar 08, 2017 20:40:56 by David Baillie

Folder cooling with a vortex tube
Number of replies: 11
Started by: paul wheaton
Last post: Mar 07, 2017 20:01:01 by Creighton Samuiels

Hot Folder led lighting
Number of replies: 74
Started by: marty reed
Last post: Mar 03, 2017 06:52:45 by Ihor Mocherniak
[ latest reply Go to page: 1, 2 ]



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