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alternative energy

please take a look at the rocket stove article

Best ever

alternative energy

The Wheaton Eco Scale

226 replies 2 21 16

alternative energy

It is 2018 and incandescent is still better than LED

123 replies 11 15 7

alternative energy

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

61 replies 2 5 4

alternative energy

really saving energy - eliminate the clothes dryer

131 replies 1 12 14

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

How to Make Your Own Emergency Home Battery Bank

1 123 3

alternative energy

washing dishes: by hand vs. dishwasher

106 replies 2 5 2

alternative energy

Nickel-Iron 'Edison' Batteries

71 replies 1 6

ban on incandescent light bulbs

108 replies 4 2

alternative energy

bragging: lower energy footprint

117 replies 2 1

Why Paul Wheaton is Wrong About CFLs

76 replies 6 2

crisco candle

45 replies 4

Jean Pain Method

48 replies 4 3

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

34 replies 8 3

Is this a scam? Liberty Generator (electricity from composting)

10 replies

alternative energy

Using a bicycle generator to recharge a battery bank

47 replies 2 4 3

make your own incandescent light bulb

31 replies 9 4 4

alternative energy

permaculture tinkerers presentation

32 replies 21 17

Mollison's Trompe - alternative energy

45 replies 8 2

More »
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My electrical power. Needs & Wants.

19 replies 2 1

Thermoelectric Generators to supplement wintertime solar.

15 replies 2

Engine Modification - increase power - lower emissions - save money

19 replies 5 2

alternative energy

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

5 replies 4

Direct steam production?

15 replies 1 2

Can 55 gallon metal drums be used in hot water production

15 replies 7

Supplemental winter heat from sun brought in house?

17 replies 1 1 1

No dinkin' around - just build the figgin' thing!

9 replies 1 1

alternative energy

Rocket Oven Pizza Party - Oct. 5th, 6th, 7th 2018 at wheaton labs

7 replies 1

Heating water with (not for) coffee.

8 replies 1

steam engines

7 replies 1

alternative energy

Decentralized Power Production with RMH

11 replies 1

"Direct- drive" cooling system?

11 replies 1

Thermoelectric Generators (TEGs)

13 replies

Salvaging "Dead" Absorbent Glass Mat Batteries

0 replies 6

alternative energy

Energy generating spinning wheel

0 replies 2 1

Thermosiphon Direction of travel

5 replies 1

Prioritised off-grid power

17 replies 3

alternative energy

Obtaining FREE BATTERIES (or really cheap ones)

7 replies 3

Roping energy

3 replies 1

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alternative energy Forum at permies

wheaton laboratories

Rocket Oven Pizza Party - Oct. 5th, 6th, 7th 2018 at wheaton labs

19 hours ago 7 replies 1

Prioritised off-grid power

1 week ago 17 replies 3

Windup technology

1 week ago 33 replies

conservation

It is 2018 and incandescent is still better than LED

1 week ago 123 replies [ 1, 2, 3, 4 ] 11 15 7

crowdfunding

rocket ovens kickstarter

2 weeks ago 456 replies [ 1, 2, 3 < ... <10, 11, 12 ] 5 27 95

Solar powered washing tub, solar drying and automotive swamp cooler

2 weeks ago 0 replies 5

wheaton laboratories

2018 Off-Grid Rocket Kitchen Build, May 17-19

2 weeks ago 30 replies 7 7

solar

How to Make Your Own Emergency Home Battery Bank

$34.95

2 weeks ago [ 1, 2 ] 1 123 3 1

AC Coupled Battery Charger

3 weeks ago 4 replies

steam engines

3 weeks ago 7 replies 1

Engine Modification - increase power - lower emissions - save money

3 weeks ago 19 replies 5 2

"Direct- drive" cooling system?

1 month ago 11 replies 1

Electricity-free way to cool a home?

1 month ago 30 replies 1 4

Thermoelectric Generators (TEGs)

1 month ago 13 replies

books

Energy Revolution by Howard Johns

1 month ago 2 2 2

Supplemental winter heat from sun brought in house?

1 month ago 17 replies 1 1 1

Direct steam production?

1 month ago 15 replies 1 2

non electrical refrigeration, freezing, and air condition system

1 month ago 17 replies 3

Compost mound for heating water-----Jean Paine---pack it tight or leave it loose?

1 month ago 3 replies

Devices that use Ethanol

2 months ago 3 replies 1

making alcohol from jerusalem artichokes

2 months ago 4 replies

solar

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

2 months ago 5 replies 4

Two Liter Air Conditioning

2 months ago 25 replies 1

Intermittent Adsorption Refrigerator

2 months ago 36 replies 1 1

questionaire

2 months ago 1 reply

No dinkin' around - just build the figgin' thing!

3 months ago 9 replies 1 1

new boiler technology!!

3 months ago 1 reply

home care

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

4 months ago 61 replies [ 1, 2 ] 2 5 4

Obtaining FREE BATTERIES (or really cheap ones)

4 months ago 7 replies 3

wheaton laboratories

Nickel-Iron 'Edison' Batteries

4 months ago 71 replies [ 1, 2 ] 1 6

Salvaging "Dead" Absorbent Glass Mat Batteries

4 months ago 0 replies 6

Renovating house...advice?

4 months ago 2 replies

Using a bicycle generator to recharge a battery bank

4 months ago 47 replies [ 1, 2 ] 2 4 3

I want to set up a wood pellet mill

4 months ago 14 replies 1

Illustrated book of appropriate technologies.

4 months ago 0 replies

What are my options for charging two cellphones and one blender?

4 months ago 7 replies

Getting electricity directly from the soil

4 months ago 9 replies 6 1 3

energy from differences in ambient temperature

4 months ago 6 replies 2

Pellet stoves

5 months ago 9 replies

Need to store surplus solar or microhydro energy, anyone?

5 months ago 5 replies

really saving energy - eliminate the clothes dryer

6 months ago 131 replies [ 1, 2, 3, 4 ] 1 12 14

Wood gas for heat and electricity

6 months ago 48 replies [ 1, 2 ] 2 2
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