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alternative energy

please take a look at the rocket stove article

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alternative energy

The Wheaton Eco Scale

243 replies 3 23 25

alternative energy

It is 2020 and incandescent is still better than LED

169 replies 11 16 10

alternative energy

washing dishes by hand vs. dishwasher: water, expense and time

74 replies 2 6 11

alternative energy

really saving energy - eliminate the clothes dryer

134 replies 1 12 15

alternative energy

How to Make Your Own Emergency Home Battery Bank

1 123 3

alternative energy

3 different rocket stove water heater designs, input requested

36 replies 9 1

alternative energy

washing dishes: by hand vs. dishwasher

106 replies 2 5 2

alternative energy

Rocket Mass Wood Dryer - An Ecoquest Project for Willie Smits

58 replies 3 41 5

alternative energy

bragging: lower energy footprint

126 replies 2 2

alternative energy

Nickel-Iron 'Edison' Batteries

77 replies 1 6

alternative energy

Is pedal power cleaner, more durable, with less environmental impact than solar or wind?

37 replies 5 6 17

Why Paul Wheaton is Wrong About CFLs

77 replies 6 3

alternative energy

Using a bicycle generator to recharge a battery bank

47 replies 3 4 6

Heat for Dummies Flow-chart: Function--heating; which cool gadget should I actually use?

34 replies 8 3

alternative energy

alternative hot water and legionnaires' disease

84 replies 3 4

alternative energy

Rocket Ovens DVD as HD Instant view

3 11 8

ban on incandescent light bulbs

108 replies 4 2

crisco candle

45 replies 4

make your own incandescent light bulb

39 replies 10 4 4

alternative energy

Appropriate Technology Course Teacher's Notes by Tim Barker (DRAFT)

5

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Best this year

Efficient whole house dehumidification in a humid area?

32 replies 1 2 6

alternative energy

Biowaste Electrical Generation; the bad, the ugly, and the alternative: Gasification/Biochar

32 replies 1 7

Solar Panel and Inverter/Battery Recommendations for small solar installation and 1KW generator

37 replies 1 4 2

alternative energy

2021 RMH Jamboree planning thread!

2 6

Salvaging rechargeable 18650 batteries for power projects

15 replies 6 6

Now we're cooking with HHO

24 replies 2 2

alternative energy

Simple Home Energy Solutions, battery bank videos

6 1

alternative energy

USB charging device that works off the batteries for your rechargeable hand tools: I built one

16 replies 4 4

alternative energy

Lard/wax blend for candle making?

7 replies 2 6

Help sizing a generator for home backup?

12 replies 2 2

Generator

13 replies 2

Wood gas to run an electric generator?

14 replies 2 3

Using compost for forced-air room heating

8 replies 1

Planet Of The Humans Movie: Discussion Thread

7 replies 2 2

alternative energy

Green/hoop house alternative heating by use as a barn

8 replies 1

A system for providing electricity and running water using only a mass heater

13 replies 3 1

Major Projects, Need Help with Getting Tools, connected to previously discussed projects

5 replies 3

Stovepipe wind turbine

12 replies 3 2

pendulum to make electricity

9 replies

alternative energy

Would it be possible for a root cellar to reach near-freezing temp using natural thermal inversion?

12 replies 2 3 1

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alternative energy Forum at permies

Cobb, What soils and fillers make good Cobb?

9 years ago 0 replies

2 Litre Skylights

9 years ago 1 reply

Growing Fuel Crops. Ethical?

9 years ago 14 replies

crushed glass as thermal mass

9 years ago 0 replies

Sun Frost's Efficient Shower

9 years ago 1 reply 3

Make Your Own Biodiesel Processor

9 years ago 1 reply

Video of a gravity spring fed water system

9 years ago 3 replies

light collection/transferance/bulb

9 years ago 1 reply

Solar Water Heating

9 years ago 18 replies 4

alternative seedling heat beds

9 years ago 12 replies

Reduce Energy Use with clothing

9 years ago 8 replies

micro hot water ideas

9 years ago 4 replies 1

WVO-Yesterday's solution

9 years ago 14 replies 2

Maxwell's Demon

9 years ago 0 replies

generator heat recovery

9 years ago 3 replies

Aerial Ropeways: cheap transport

9 years ago 7 replies 2

Mastodons as models

9 years ago 16 replies

Alt energy batteries knowledge required please :)

10 years ago 5 replies

oil lamps ?

10 years ago 7 replies

shopping for a propane generator

10 years ago 8 replies

Solar steam engine from 1936

10 years ago 2 replies 1

bubbles keep your bath hot

10 years ago 6 replies

Cost of Heating Calculator

10 years ago 4 replies 1

Bicyclectricity

10 years ago 8 replies

Thermoelectric generators

10 years ago 33 replies 1

Renewable Energy and World

10 years ago 2 replies

grassroots alt. energy organization

10 years ago 4 replies

See what happens when you don't properly insulate?

10 years ago 2 replies

Compost shower with Green Sawdust ? possible?

10 years ago 1 reply

water by gravity

10 years ago 2 replies

Elbow translated to length

10 years ago 16 replies

electricity meter issues

10 years ago 18 replies

Winch tractor ?

10 years ago 5 replies

anyone working with Hydrogen ?

10 years ago 14 replies

11 Acres (almost) and a dream

10 years ago 2 replies

Adding tonnage to a light weight Soap

10 years ago 8 replies

Can we learn from a Center Pivot?

10 years ago 2 replies

Steam engines

10 years ago 8 replies

Wt. of 1CF Adobe Cob ?

10 years ago 0 replies

Considerations for inventors

10 years ago 0 replies

plastic to oil

10 years ago 4 replies

Space Heating and Cooling with Home and Irrigation Water Usage

10 years ago 4 replies

Sunshine Shower

10 years ago 5 replies 4

Electrificatication, 1916: "...everybody went a little bit bonkers."

10 years ago 8 replies

solar

Solar Power/water pump in Johannesburg

11 years ago 9 replies
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