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Off the grid, sustainable, efficient energy

Best ever

rocket mass heaters

RMH in a Tipi

290 replies 12 182 58

rocket mass heaters

How to make your Rocket Stove more "rockety"

75 replies 2 4 2

rocket mass heaters

Advice on a RMH build in Hokkaido Japan

610 replies 14 933 123

alternative energy

The Wheaton Eco Scale

267 replies 7 25 47

conservation

the solutions are simple

251 replies 15 9 56

rocket mass heaters

Better Wood Heat: DIY Rocket Mass Heaters (4 DVD Set)

85 replies 2 41 38

rocket mass heaters

Rocket stoves in Greenhouses , our own forum topic

379 replies 20 91 11

rocket mass heaters

compact 6" RMH hybrid with cook top and dutch oven

281 replies 14 86 4

rocket mass heaters

RMH for Dummies! Please help guide me through my first build!

445 replies 7 210 64

conservation

It is 2022 and incandescent is still better than LED

185 replies 11 17 14

rocket stoves

double chamber cob oven plans - download

26 replies 12 5

conservation

Going poo-less: No Shampoo/Soap in the Shower

4 22 22

conservation

making the best of electric heat

420 replies 2 35 10

rocket stoves

Greenhouse Rocket Stove

49 replies 1 9

rocket mass heaters

using metal in the burn tunnel and heat riser

91 replies 5 29 31

rocket mass heaters

Ernie and Erica Wisner's Rocket Mass Heater Everything Combo

33 replies 29 3

rocket mass heaters

beautiful rocket mass heaters

43 replies 2 26 16

solar

Solar Dehydrator Plans - Combo Package download

55 replies 6 31 7

rocket mass heaters

First Rocket stove heats water with pics

122 replies 11 6 3

wood burning stoves

Ash - the best wood to grow for firewood?

52 replies 2

More »
Best this year

conservation

I wanna hear from the Western Drought-Stricken Permies

75 replies 1 8 33

wood burning stoves

Wood burning - a very expensive "free" option

69 replies 1 1 46

transportation

car leaking (steering) fluid, smoking, resolved with clutch replacement too

80 replies 1 18 17

solar

I'd like to set up solar for my critical needs

70 replies 12 19

rocket stoves

Homegrown Mushroom Mycelium Insulation Panels

90 replies 3 31 26

conservation

A really good, layered, winter curtain system

40 replies 2 18

rocket mass heaters

Huge batch box rocket stove

72 replies 3 35 10

alternative energy

Heat Engine Invention - hydraulics questions

39 replies 11

alternative energy

Building a new battery generator

52 replies 26 9

alternative energy

I want to set up an off-grid amateur radio

33 replies 2 15

alternative energy

Emergency heat, no fireplace, wood stove nixed by insurance

52 replies 6 12

transportation

What is the better answer to fuel a vehicle?

49 replies 3 1 15

rocket ovens

New Build Black and White Rocket Oven

26 replies 34 16

alternative energy

Is there a simple device to give me 30 min of power?

30 replies 5 10

wood burning stoves

Heating advice

71 replies 8

rocket mass heaters

Masonry heater build in tiny house

13 replies 58 19

biodiesel

Generating electricity off-grid with used veggie oil

42 replies 1 2 17

solar

Grumman Sunstream - can it be fixed, is it worth fixing?

15 replies 1 5 19

solar

Water heater modification to use solar and electricity

27 replies 1 1 9

wood burning stoves

Nightmare woodstove smoke! I am stumped... 21 feet of flue, can't get a draft.

82 replies 10 6

More »
Most recent

solar

Insulated Solar Electric Cooking

3 months ago 11 replies 1 4 1

rocket mass heaters

Add mass to fireplace insert

3 months ago 1 reply 2

hydro

Is building a home water battery worth it?

3 months ago 4 replies

solar

trade solar help for help with other projects/thankless tasks? North central massachusetts, USA

3 months ago 2 replies

rocket mass heaters

Top Questions about Rocket Mass Heaters

3 months ago 5 replies 1 1 3

solar

Best way to accumulate heat for evening

3 months ago 1 reply

solar

Clueless solar newbie- how much can a solar system support?

3 months ago 16 replies 1 5

hydro

How to Create Electricity by Building a Mini Dam

3 months ago 1 reply 2

conservation

Modified Hypocausts to Regulate Temperature?

3 months ago 3 replies 1

rocket mass heaters

Long duct, short chimney.

3 months ago 2 replies 1

rocket mass heaters

All-in-one rocket cookstove with secondary heat riser: how much is too much?

3 months ago 5 replies 1

alternative energy

Salvaging rechargeable 18650 batteries for power projects

3 months ago 17 replies 6 6

solar

Solar Off grid for 2 campers

3 months ago 7 replies 2

solar

Line and Load terminals on DC circuit breaker

3 months ago 3 replies 1

rocket ovens

Are materials to build rocket oven easily available where I live?

3 months ago 1 reply

wood burning stoves

In Praise of the Pellet

3 months ago 15 replies 1 2 3

wood burning stoves

Wood burning - a very expensive "free" option

3 months ago 69 replies [ 1, 2 ] 1 1 46

rocket mass heaters

Which type of heat exchanger would be best for my use?

3 months ago 3 replies 1 1

rocket mass heaters

Testo results from an 8" ceramic fiber board J tube rocket mass heater

3 months ago 1 reply 4 1

wood burning stoves

Making Wood Stoves Safe for Pets

3 months ago 13 replies 3

rocket mass heaters

How to design a metal/masonry incineration toilet that vents outside?

3 months ago 6 replies 2

solar

Solar curtain.

3 months ago 4 replies 5 3

wood burning stoves

woodstove door handle rusted stationary, cant turn.

3 months ago 9 replies

alternative energy

Pot in Pot Zeer type cooling on larger scale

3 months ago 1 reply

solar

Cool your solar panels and heat your water at the same time?

3 months ago 19 replies 2 4

wood burning stoves

Using Clay Flue Liner for Burn Tunnel & Heat Riser?

3 months ago 27 replies

alternative energy

ethanol ran generator?

3 months ago 17 replies 1

rocket mass heaters

Rocket stove thermal Mass

3 months ago 1 reply

wood burning stoves

A method to restore permanently etched fireplace insert glass

3 months ago 10 replies 3

wood burning stoves

Gas Insert - Replace Tempered Glass with Ceramic Glass?

4 months ago 3 replies

wood burning stoves

Seeking masonry heater plans

4 months ago 13 replies 2 1

rocket ovens

Math for Rocket Oven

4 months ago 4 replies 2 1

wood burning stoves

Pellet stove tips?

4 months ago 1 reply

wood burning stoves

Need help with information on this Ashley wood insert before purchasing

4 months ago 4 replies 1

rocket mass heaters

Rocket Masonry Cook Stove & Home Design Planning

4 months ago 15 replies 5 5 6

solar

best prices for solar panels...?

4 months ago 19 replies 2

rocket mass heaters

Is This a Good Deal?

4 months ago 2 replies 1

wood burning stoves

steel bell for batch box heater

4 months ago 3 replies 2

alternative energy

Heat and Cool a Dome Naturally

4 months ago 13 replies 2 1 4

rocket stoves

Chicken wire wrapping to enhance heat extraction?

4 months ago 3 replies 1

wood burning stoves

Please help identify woodstove

4 months ago 5 replies 4

wood burning stoves

Wood stove biochar... a different approach?

4 months ago 8 replies 1 2

rocket stoves

Short Barrel from 24" Beer Keg

4 months ago 0 replies

wood burning stoves

Containers for making biochar inside a wood burning stove?

4 months ago 54 replies [ 1, 2 ] 4 3 8

transportation

Jump my car

4 months ago 6 replies 1
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Forums
energy

rocket mass heaters 33007

rocket stoves 28521

alternative energy 16091

wood burning stoves 11759

conservation 5329

solar 9565

hydro 1987

wind 1058

biogas 935

biodiesel 522

transportation 2339

bicycle 1371

rocket ovens 1812