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Off the grid, sustainable, efficient energy

Best ever

rocket mass heaters

Matt Walker tiny cookstove build in Portugal

212 replies 32 187 223

rocket mass heaters

RMH in a Tipi

294 replies 13 182 66

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

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

451 replies 7 213 71

rocket mass heaters

Rocket stoves in Greenhouses , our own forum topic

395 replies 21 102 22

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

284 replies 14 85 4

conservation

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

4 27 46

rocket stoves

double chamber cob oven plans - download

2 17 6

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 mass heaters

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 mass heaters

using metal in the burn tunnel and heat riser

92 replies 5 29 31

More »
Best this year

rocket mass heaters

Are you interested in building a rocket mass heater? What is holding you back?

114 replies 7 86

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

43 replies 82 72

rocket ovens

Cob and brick oven with rocket technology

45 replies 37 70

rocket stoves

The Big thread of Tiny Stoves

50 replies 11 1 12

rocket mass heaters

shorty core replacing bbr with sidewinder

113 replies 1 27 10

rocket mass heaters

Leaning tower of Pizza

28 replies 21 17

rocket mass heaters

Kees' cottage rocket

102 replies 1 60 15

rocket mass heaters

Lightweight Rocket Mass Heater Mediterranean Climate

59 replies 45 39

transportation

TRAINS! do you travel on them?

45 replies 2 13 16

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

First flights of the Studio Dragon

13 replies 33 31

rocket mass heaters

Rebuilding and remodeling the Shop Dragon

17 replies 64 26

rocket mass heaters

Shorty sidewinder, 200 mm (approx. 8") system, lots of mass

27 replies 2 40 34

rocket mass heaters

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

13 replies 6 21

alternative energy

Staying warm in winter (inside)

28 replies 1 1 10

rocket mass heaters

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

13 replies 8 23

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

wood burning stoves

Matt Walker Tiny Stove build in Spain

25 replies 6 21 32

rocket mass heaters

Moving Old Friends again, & again, and again

16 replies 6 15

More »
Most recent

rocket mass heaters

Proposed Batch Box RMH Floor Designed for Outside Air.

9 hours ago 5 replies 3 2

alternative energy

Rocket mass cooling?

9 hours ago 9 replies 1 2

wood burning stoves

Increase wood stove efficiency during blackout

12 hours ago 70 replies [ 1, 2 ] 126 39

rocket mass heaters

Outside Air Supply next order of magnitude improvement for rocket stove mass heaters

1 day ago 17 replies 1

rocket mass heaters

Leaning tower of Pizza

1 day ago 28 replies 21 17

transportation

Alternative Modes of Travel (Some Abnormal, too)

1 day ago 21 replies 3 5 5

alternative energy

Horvath Patents Allowed Engine To Run On Water Improved Electrolysis Efficiency

2 days ago 6 replies 1

wood burning stoves

Smoke

3 days ago 22 replies 2 7

rocket mass heaters

Kees' cottage rocket

4 days ago 102 replies [ 1, 2, 3 ] 1 60 15

alternative energy

Easy Hydrogen Gas Generator Made from 1921

4 days ago 8 replies 1

rocket ovens

Feasible to help Mumbai bakeries lower emissions from their biophilic wood-fired ovens?

4 days ago 3 replies

rocket mass heaters

Dressing up the Dragons for the holidays

5 days ago 3 replies 9 8

rocket mass heaters

shorty core replacing bbr with sidewinder

6 days ago 113 replies [ 1, 2, 3 ] 1 27 10

rocket ovens

Cob and brick oven with rocket technology

6 days ago 45 replies [ 1, 2 ] 37 70

rocket mass heaters

Advice about building this type of traditional Russian Masonry Heaters?

1 week ago 5 replies 2 2 7

rocket mass heaters

Erica and Ernie's link not good

1 week ago 1 reply 1

alternative energy

LifePo4 Lithium Iron Phosphate Battery

1 week ago 43 replies [ 1, 2 ] 5 13

solar

Solar curtain.

1 week ago 5 replies 7 7

alternative energy

Geothermal/thermal battery/wicking biocell

1 week ago 0 replies

conservation

New house, Texas, 1/3 acre

1 week ago 32 replies 26 5

rocket mass heaters

Lightweight Rocket Mass Heater Mediterranean Climate

1 week ago 59 replies [ 1, 2 ] 45 39

rocket mass heaters

Shorty sidewinder, 200 mm (approx. 8") system, lots of mass

1 week ago 27 replies 2 40 34

rocket mass heaters

Transforming a Fireplace into a Splendid Rocket Mass Heater

1 week ago 17 replies 24 25 19

alternative energy

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

1 week ago 37 replies 2 9

rocket stoves

Kelly Kettle boil water time.

1 week ago 32 replies 5 5 10

rocket mass heaters

Cast Refractor Failure?

1 week ago 19 replies 10 19

solar

Thinking About Solar Panels in Ireland

1 week ago 0 replies

biodiesel

Welcome Bob Armantrout author of Backyard Biodiesel

1 week ago 19 replies 1 2

rocket mass heaters

Excessively Planned 6" Batchbox - Design

1 week ago 2 replies 1 2

rocket mass heaters

optimizing rmh in weird situation

1 week ago 3 replies 1

rocket mass heaters

Any Good Rocket Mass Heater Shorts? (Youtube, Instagram, TikTok, Etc)

1 week ago 12 replies 3 4 1

solar

Solar Panel Installation: An Advanced Solution For Higher Utility Bills

1 week ago 0 replies

alternative energy

Stan Meyer Hydrogen Generators And Patents

1 week ago 5 replies

rocket stoves

Rocket Stoves

1 week ago 107 replies [ 1, 2, 3 ] 1 82 22

rocket mass heaters

Chimney

1 week ago 5 replies 5

rocket mass heaters

Are you interested in building a rocket mass heater? What is holding you back?

1 week ago 114 replies [ 1, 2, 3 ] 7 86

rocket mass heaters

compact 6" RMH hybrid with cook top and dutch oven

1 week ago 284 replies [ 1, 2, 3 < ... <6, 7, 8 ] 14 85 4

rocket mass heaters

Electricity Generation with RMH -

2 weeks ago 28 replies 1

rocket mass heaters

Alternative fuel source, a lot of old paper, what to do??

2 weeks ago 13 replies 3

rocket mass heaters

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

2 weeks ago 40 replies [ 1, 2 ] 23 2

wood burning stoves

Stove for a bomb shelter

2 weeks ago 36 replies 46 17

rocket mass heaters

possible shelf sealing RMH outlet.

2 weeks ago 0 replies 1

rocket stoves

Rocket cook stove - oven question

3 weeks ago 6 replies 4

rocket mass heaters

typical temperatures inside rocket mass heater

3 years ago 8 replies
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energy

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transportation 3035

bicycle 1873

rocket ovens 2408