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alternative energy

please take a look at the rocket stove article

Best ever

alternative energy

The Wheaton Eco Scale

239 replies 3 23 25

alternative energy

It is 2020 and incandescent is still better than LED

163 replies 11 16 10

alternative energy

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

70 replies 2 6 8

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

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

washing dishes: by hand vs. dishwasher

106 replies 2 5 2

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

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

alternative energy

If you live in a city, get an electric (or hybrid) car!

37 replies 5 4

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Best this year

Efficient whole house dehumidification in a humid area?

30 replies 1 2 6

Can I burn olive oil in my oil lamps?

9 replies 2 4 4

alternative energy

What is "Appropriate Technology"?

17 replies 2 8

alternative energy

Flashlight, light toy, no batteries, no switches.

8 replies 1 3

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

35 replies 4 2

Now we're cooking with HHO

24 replies 2 2

alternative energy

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

16 replies 4 4

Bleach lighting for sheds?

17 replies 3 2

Wood gas to run an electric generator?

14 replies 2 3

Help sizing a generator for home backup?

11 replies 2 2

Redundant energy and resource use for household appliances

9 replies

alternative energy

Green/hoop house alternative heating by use as a barn

8 replies 1

Gales, Electricty and Stacking Functions

5 replies 1

Treadmill motor to charge batteries

11 replies 1 2

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

Alternative heating system for Victorian property?

7 replies 2

alternative energy

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

12 replies 2 3 1

alternative energy

Bicycle powered kinetic log splitter?

9 replies 3 2

More »
alternative energy Forum at permies

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

3 days ago 35 replies 4 2

Electricity-free way to cool a home?

3 days ago 47 replies [ 1, 2 ] 3 4 6

Wood gas to run an electric generator?

5 days ago 14 replies 2 3

Can I burn olive oil in my oil lamps?

6 days ago 9 replies 2 4 4

Efficient whole house dehumidification in a humid area?

2 weeks ago 30 replies 1 2 6

alternative energy

Biochar/Biofuel from already existing "Invasive" plants

3 weeks ago 8 replies 1

Michael Smith, AACT. Green waste to power production and soil remediation

4 weeks ago 1 reply 1

gear

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

1 month ago 16 replies 4 4

Mollison's Trompe - alternative energy

1 month ago 48 replies [ 1, 2 ] 9 2

Lots of questions on relationships between Charcoal Making, Wood Gasification, and Heating

1 month ago 2 replies 1

Stovepipe wind turbine

1 month ago 12 replies 3 2

pendulum to make electricity

1 month ago 9 replies

Storing heat in concrete/masonry with PV

1 month ago 8 replies

Well head for geothermal or any suggestions???

1 month ago 0 replies

What amperage should I set my DC-DC Charger in the bus?

1 month ago 20 replies 2

alternative energy

Solar water heater plans - safe and easy to build

2 months ago 15 replies 2 1 2

Windtraps of Dune

2 months ago 6 replies 2

Now we're cooking with HHO

2 months ago 24 replies 2 2

alternative energy

bragging: lower energy footprint

2 months ago 126 replies [ 1, 2, 3, 4 ] 2 2

paul wheaton's pseudo blog

The Wheaton Eco Scale

3 months ago 239 replies [ 1, 2, 3, 4, 5, 6 ] 3 23 25

Compressed Air Energy Storage

3 months ago 4 replies 1

alternative energy

Nickel-Iron 'Edison' Batteries

3 months ago 77 replies [ 1, 2 ] 1 6

Trompe, looking for more data

3 months ago 4 replies

solar

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

3 months ago 6 replies 4

books

Solar Station: DIY Solar Plans by Ben Peterson

4 months ago 2 1 2

paul wheaton

Rocket Ovens DVD as HD Instant view

$15.00

4 months ago 44 replies [ 1, 2 ] 2 11 7

conservation

It is 2020 and incandescent is still better than LED

4 months ago 163 replies [ 1, 2, 3, 4, 5 ] 11 16 10

Help sizing a generator for home backup?

4 months ago 11 replies 2 2

greenhouses

Green/hoop house alternative heating by use as a barn

4 months ago 8 replies 1

New TreeYo EDU Article: Water Heating: Appropriate Technology Chapter

4 months ago 1 reply 3

alternative energy

alternative hot water and legionnaires' disease

5 months ago 84 replies [ 1, 2, 3 ] 3 4

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

5 months ago 5 replies 3

paul wheaton

microdoc: building the easy bake coffin

$4.50

5 months ago 8 1

food preservation

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

5 months ago 12 replies 2 3 1

gasifier to furnace?

5 months ago 14 replies 4 1

alternative energy

What are the byproducts of coal pyrolysis?

5 months ago 5 replies

Market Reasearch for my Alt Energy Tractor Design

5 months ago 17 replies

Supplemental winter heat from sun brought in house?

6 months ago 19 replies 1 1 1

Installing your own metal roof and solar panels

1 year ago 12 replies 4

Off-grid welding...?

5 years ago 7 replies

Edison Cell battery

7 years ago 14 replies 3

No Compressor Fridge?

8 years ago 50 replies [ 1, 2 ] 3
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energy
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