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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

226 replies 2 21 16

alternative energy

It is 2018 and incandescent is still better than LED

121 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

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Best this year

My electrical power. Needs & Wants.

19 replies 2 1

Unlimited Fuel In Perpetuity for Free in Theory - ethanol from spirulina

32 replies

Thermoelectric Generators to supplement wintertime solar.

15 replies 2

alternative energy

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

5 replies 4

Can 55 gallon metal drums be used in hot water production

15 replies 7

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

9 replies 1 1

Heating water with (not for) coffee.

8 replies 1

alternative energy

Decentralized Power Production with RMH

11 replies 1

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

alternative energy

Obtaining FREE BATTERIES (or really cheap ones)

7 replies 3

Roping energy

3 replies 1

Rowing machine washing machine

3 replies 3

questionaire

1 reply

energy from differences in ambient temperature

6 replies 2

Thermoelectric Generators (TEGs)

11 replies

Thermosyphon? Hot Water to Air Heat Exchanger Circulation

4 replies 2

Pellet stoves

9 replies

black socks surprisingly warm my feet in the sun--observation for winter working

1 reply

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alternative energy Forum at permies

Supplemental winter heat from sun brought in house?

1 hour ago 4 replies 1 1

non electrical refrigeration, freezing, and air condition system

1 day ago 17 replies 3

"Direct- drive" cooling system?

1 day ago 0 replies

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

4 days ago 3 replies

Devices that use Ethanol

1 week ago 3 replies 1

making alcohol from jerusalem artichokes

2 weeks ago 4 replies

solar

Maintaining "Maintenance Free" Sealed Lead Acid Batteries

1 month ago 5 replies 4

Two Liter Air Conditioning

1 month ago 25 replies 1

Intermittent Adsorption Refrigerator

1 month ago 36 replies 1 1

questionaire

1 month ago 1 reply

wheaton laboratories

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

1 month ago 27 replies 7 7 1

solar

How to Make Your Own Emergency Home Battery Bank

$34.95

1 month ago [ 1, 2 ] 1 123 3

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

1 month ago 9 replies 1 1

new boiler technology!!

2 months ago 1 reply

home care

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

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

Obtaining FREE BATTERIES (or really cheap ones)

2 months ago 7 replies 3

wheaton laboratories

Nickel-Iron 'Edison' Batteries

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

Salvaging "Dead" Absorbent Glass Mat Batteries

2 months ago 0 replies 6

Renovating house...advice?

2 months ago 2 replies

Using a bicycle generator to recharge a battery bank

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

I want to set up a wood pellet mill

2 months ago 14 replies 1

Illustrated book of appropriate technologies.

2 months ago 0 replies

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

3 months ago 7 replies

Getting electricity directly from the soil

3 months ago 9 replies 6 1 3

energy from differences in ambient temperature

3 months ago 6 replies 2

conservation

It is 2018 and incandescent is still better than LED

3 months ago 121 replies [ 1, 2, 3, 4 ] 11 15 7

Pellet stoves

3 months ago 9 replies

Need to store surplus solar or microhydro energy, anyone?

3 months ago 5 replies

Thermoelectric Generators (TEGs)

4 months ago 11 replies

really saving energy - eliminate the clothes dryer

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

Wood gas for heat and electricity

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

paul wheaton's pseudo blog

The Wheaton Eco Scale

4 months ago 226 replies [ 1, 2, 3, 4, 5, 6 ] 2 21 16

bicycle

Bicycle water pump + battery charge

5 months ago 3 replies 1 2

rocket mass heaters

Decentralized Power Production with RMH

5 months ago 11 replies 1

cooling with a vortex tube

5 months ago 13 replies

Fire logs made from compressed coffee grinds

5 months ago 2 replies 1

Homemade Edison Cell - a question to technically-minded members

5 months ago 2 replies

My electrical power. Needs & Wants.

5 months ago 19 replies 2 1

the new nuclear power - clean?

5 months ago 36 replies 1 2

Has anyone used a solar kit to power a greenhouse?

5 months ago 2 replies

ban on incandescent light bulbs

6 months ago 108 replies [ 1, 2, 3 ] 4 2

CFL toxicity

6 months ago 29 replies 2 1 1

Dale's off grid cell phone reception and computer conectivity solutions. There's a flag pole.

6 months ago 13 replies 11
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