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Off the grid, sustainable, efficient energy

Best ever

rocket mass heaters

Matt Walker tiny cookstove build in Portugal

210 replies 32 187 220

rocket mass heaters

RMH in a Tipi

294 replies 13 182 60

alternative energy

The Wheaton Eco Scale

296 replies 8 32 74

rocket mass heaters

How to make your Rocket Stove more "rockety"

85 replies 2 4 4

rocket mass heaters

Advice on a RMH build in Hokkaido Japan

620 replies 14 969 136

conservation

the solutions are embarrassingly simple

271 replies 14 11 57

rocket mass heaters

Rocket stoves in Greenhouses , our own forum topic

395 replies 21 102 22

rocket mass heaters

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

451 replies 7 213 70

conservation

It is 2025 and incandescent is still better than LED

216 replies 14 17 24

conservation

making the best of electric heat

462 replies 2 43 20

rocket mass heaters

compact 6" RMH hybrid with cook top and dutch oven

283 replies 14 85 4

conservation

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

4 27 46

rocket mass heaters

double chamber cob oven plans - download

2 17 5

bicycle

Show Us What You Are Hauling On Your Bike

124 replies 5 92 96

rocket mass heaters

portable rocket mass heater

189 replies 8 20 3

rocket stoves

Ernie and Erica Wisner's Rocket Mass Heater Everything Combo

38 replies 29 3

rocket mass heaters

beautiful rocket mass heaters

54 replies 2 32 24

conservation

drying clothes - how not to smell like mildew - maybe it's the washing machine's fault?

76 replies 2 3 16

solar

Solar Dehydrator Plans - Combo Package download

56 replies 6 32 9

rocket stoves

using metal in the burn tunnel and heat riser

92 replies 5 29 31

More »
Best this year

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

43 replies 82 71

rocket mass heaters

The big hole in RMH information resources - and a suggested fix

68 replies 3 44

rocket ovens

Cob and brick oven with rocket technology

41 replies 36 66

rocket stoves

The Big thread of Tiny Stoves

50 replies 11 1 12

rocket stoves

Smelting Steel from iron ore

47 replies 10 25 26

transportation

TRAINS! do you travel on them?

45 replies 2 13 16

rocket mass heaters

shorty core replacing bbr with sidewinder

110 replies 1 26 10

rocket mass heaters

Rebekah's 8 inch RMH

43 replies 43 50

rocket mass heaters

Help me understand the flaws: RMH, mass under the kitchen table

48 replies 1 16 45

rocket mass heaters

Out with the old RMH

23 replies 50 21

rocket mass heaters

At Last. My RMH Is a Reality

28 replies 21 18

rocket mass heaters

Rebuilding and remodeling the Shop Dragon

17 replies 64 26

rocket mass heaters

I want to build an RMH, but I do not know how!

13 replies 6 21

rocket mass heaters

I made the rocket stove into a product that can be mass-produced

47 replies 25 18

alternative energy

Staying warm in winter (inside)

28 replies 1 1 10

rocket mass heaters

Poor man's poll - alternate name for RMH

89 replies 2 1 11

rocket mass heaters

Procrastinating? Don't... Here's why you NEED to build a batch rocket heater!

48 replies 14 29

rocket mass heaters

New here, first post, I have been researching all different designs, and I came up with my own.

58 replies 11 9

rocket mass heaters

Leaning tower of Pizza

20 replies 5 9

wood burning stoves

Matt Walker Tiny Stove build in Spain

25 replies 6 21 32

More »
Most recent

rocket mass heaters

Holding the heat overnight, the importance of shutting off the air flow.

6 hours ago 8 replies 4 14

wood burning stoves

First time trying to improve efficiency- any advice welcome

7 hours ago 6 replies 1 2 1

rocket mass heaters

will this j work?

8 hours ago 7 replies 2 5

wood burning stoves

Tlud analog? Easy to make " reactive" furnace \ stove

12 hours ago 11 replies 6 1 4

rocket mass heaters

First flights of the Studio Dragon

13 hours ago 4 replies 15 11

rocket mass heaters

Studio dragon gets some bling

1 day ago 5 replies 5 6

solar

Considering upgrading 5 year old offgrid system

2 days ago 17 replies 2 5 6

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

2 days ago 43 replies [ 1, 2, 3, 4 ] 82 71

rocket mass heaters

My new tiny house Masonry heater build

2 days ago 11 replies 23 11

rocket mass heaters

Long time lurker, first time poster in need of assistance: Dome House

3 days ago 34 replies 23 2

rocket mass heaters

Shorty Core gets a bell

3 days ago 86 replies [ 1, 2, 3 ] 70 59

rocket mass heaters

Bypass ideas

3 days ago 4 replies 2 5

wood burning stoves

Interesting new fire method

4 days ago 13 replies 2 2 4

rocket mass heaters

Masonry heater build in tiny house

6 days ago 16 replies [ 1, 2, 3 ] 65 21

rocket mass heaters

shorty core replacing bbr with sidewinder

6 days ago 110 replies [ 1, 2, 3 ] 1 26 10

wood burning stoves

Chimney cleaning

6 days ago 25 replies 1 16

rocket mass heaters

Responsible use of Morgan superwool (rockwool)

6 days ago 16 replies 1 1 6

solar

Upgrading the house power

6 days ago 4 replies 2 3

conservation

making the best of electric heat

1 week ago 462 replies [ 1, 2, 3 < ... <10, 11, 12 ] 2 43 20

rocket mass heaters

can you turn a kiva fireplace into a rocket mass heater?

1 week ago 5 replies 2 2

rocket ovens

"PANIS NOSTER" bread oven/smoker with BBR firebox

1 week ago 7 replies 22 9

rocket mass heaters

Integrating two heating systems

1 week ago 11 replies 2 2

solar

Should I connect my inverter to the battery or to the charge controller?

1 week ago 27 replies 1 1 2

conservation

Seasonal Insulation for Windows?

1 week ago 22 replies 3 6 14

rocket mass heaters

Tiny cabin rocket mass heater photo dump

1 week ago 2 replies 14 4

rocket mass heaters

Cleaning a rocket mass heater?

1 week ago 4 replies 1

alternative energy

solar dehydrator - good for wet tropics?

1 week ago 2 replies

transportation

Alternative Modes of Travel (Some Abnormal, too)

1 week ago 19 replies 3 5 5

wood burning stoves

Firewood Drying

1 week ago 11 replies 1 2

rocket stoves

All American, all cob rocket stove

1 week ago 7 replies 1 1

rocket mass heaters

Troubleshooting pocket rocket to burn paint off a barrel

1 week ago 19 replies 1 3 5

rocket stoves

Like no Other

1 week ago 2 replies 3

rocket mass heaters

100-yr-old 2-story house, 2000 sq ft, with two chimneys - adding RMHs

1 week ago 17 replies 32 12

rocket mass heaters

Casting Large refractory Slabs

1 week ago 47 replies [ 1, 2 ] 29 26

wood burning stoves

Building to hold out the Russian winters

1 week ago 7 replies 2 6

conservation

New house, Texas, 1/3 acre

1 week ago 27 replies 25 4

rocket mass heaters

typical temperatures inside rocket mass heater

2 weeks ago 81 replies [ 1, 2, 3 ] 55 12

wind

Wind power

2 weeks ago 5 replies 1

rocket mass heaters

Rocket mass heater with sand battery?

2 weeks ago 3 replies 1

rocket stoves

Looking for a simple rocket stove design for outdoor cooking

2 weeks ago 7 replies 1 3

solar

Query concerning LiFePO4 charging

2 weeks ago 41 replies [ 1, 2 ] 14 3

solar

The Art of Solar Food Drying: Best Designs, Materials & Tips!

2 weeks ago 2 replies

solar

Seeking more guidance on solar project please

2 weeks ago 10 replies 6

rocket stoves

Rocket Stoves

2 weeks ago 100 replies [ 1, 2, 3 ] 1 75 19

wood burning stoves

Increase wood stove efficiency during blackout

2 weeks ago 68 replies [ 1, 2 ] 121 39
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energy

rocket mass heaters 43607

rocket stoves 30136

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wood burning stoves 13900

conservation 6465

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hydro 2308

wind 1162

biogas 980

biodiesel 538

transportation 3028

bicycle 1869

rocket ovens 2397