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stewards:

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Off the grid, sustainable, efficient energy

Best ever

rocket mass heaters

Matt Walker tiny cookstove build in Portugal

217 replies 32 187 233

rocket mass heaters

RMH in a Tipi

294 replies 13 182 66

alternative energy

The Wheaton Eco Scale

300 replies 8 32 77

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

623 replies 14 969 141

conservation

the solutions are embarrassingly simple

271 replies 14 11 57

rocket mass heaters

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

179 replies 27 221

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

alternative energy

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

Building a Better World in your Backyard by Paul Wheaton and Shawn Klassen-Koop

11 78 216

conservation

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

4 27 47

bicycle

Show Us What You Are Hauling On Your Bike

125 replies 5 96 98

rocket mass heaters

double chamber cob oven plans - download

2 17 6

conservation

How to save fuel when driving?

59 replies 2 1 97

rocket stoves

Ernie and Erica Wisner's Rocket Mass Heater Everything Combo

38 replies 29 3

rocket mass heaters

portable rocket mass heater

189 replies 8 20 3

rocket mass heaters

beautiful rocket mass heaters

54 replies 2 32 24

More »
Best this year

rocket mass heaters

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

179 replies 27 221

conservation

How to save fuel when driving?

59 replies 2 1 97

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

43 replies 82 76

rocket ovens

Cob and brick oven with rocket technology

50 replies 37 71

rocket mass heaters

shorty core replacing bbr with sidewinder

121 replies 1 27 11

rocket ovens

Heavy Snow, The Smoke Shack takes a direct hit

19 replies 26 36

rocket mass heaters

My first Batchbox build, on top of Barcelona's mountain.

63 replies 25 60

rocket mass heaters

Kees' cottage rocket

106 replies 2 64 15

rocket mass heaters

Lightweight Rocket Mass Heater Mediterranean Climate

59 replies 45 39

rocket mass heaters

Cushions for the rocket bench

31 replies 1 37

rocket mass heaters

Out with the old RMH

23 replies 50 21

rocket mass heaters

Cheap(ish) prefab mass heater with Shorty core

38 replies 2 46 57

wood burning stoves

how to safely heat with green/wet wood in your wood stove when you are desperate

24 replies 1 4 30

wood burning stoves

Anybody used these Barrel Stove Kits?

20 replies 1 2 25

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

transportation

Good Permie Cars...

81 replies 8 2 15

rocket mass heaters

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

27 replies 2 40 34

solar

Solar panel angle for grid tie vs. summer offgrid vs. yearround offgrid

14 replies 2 1

alternative energy

Staying warm in winter (inside)

28 replies 1 1 10

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Most recent

rocket mass heaters

Cushions for the rocket bench

1 hour ago 32 replies 1 38

rocket mass heaters

My first Batchbox build, on top of Barcelona's mountain.

3 hours ago 63 replies [ 1, 2 ] 25 62

solar

What size Breaker in your AC Panel fed from Solar Inverter

3 hours ago 0 replies

solar

Grid Intertie: Interesting challenge of Net Metering law in Minnesota in the works....

7 hours ago 6 replies 2

bicycle

heavy duty cargo trailer. 8 ft long.

8 hours ago 7 replies 11

rocket mass heaters

Guidance on RMH build in a light wood construction

8 hours ago 2 replies 8 2

alternative energy

Is 1/2 inch Copper Line big enough from 500 Gallon Propane Tank to Cabin

21 hours ago 16 replies 3

alternative energy

Generating electricity off-grid with used veggie oil

2 days ago 45 replies [ 1, 2 ] 1 2 19

solar

Monocrystalline vs polycrystalline for small off-grid cabin - real world experience?

2 days ago 2 replies 3

alternative energy

Youtube channel My Engines has shared open source plans for a working thermoacoustic sterling engine

2 days ago 0 replies 2

rocket mass heaters

Built a new grill

2 days ago 0 replies 3 1

alternative energy

Building 100 AH LiFePo4 Battery Box

3 days ago 44 replies [ 1, 2 ] 24 11

alternative energy

Batteries home building --maybe

3 days ago 13 replies 1 1

conservation

Dream clothes line?

4 days ago 5 replies 5

solar

Help wiring 4 12volt batteries to make 24 volts

4 days ago 10 replies 3 1

wood burning stoves

Chimney cleaning

4 days ago 26 replies 1 16

alternative energy

Alternative heat type

4 days ago 8 replies

rocket mass heaters

Solar sand/thermal mass battery in combination with RMH

5 days ago 34 replies 2 7

rocket mass heaters

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

6 days ago 179 replies [ 1, 2, 3, 4, 5 ] 27 221

rocket mass heaters

Retrofitting our RMH with a Rubino bypass

1 week ago 1 reply 11 10

wood burning stoves

Splitting firewood, is bigger better?

1 week ago 11 replies 1 10

wood burning stoves

Mini wood-burning cookstove for a tiny house

1 week ago 22 replies 3 13 34

rocket mass heaters

Historic coal fireplace to RMH conversion

1 week ago 2 replies 6

rocket mass heaters

RMH, mass under the kitchen table

1 week ago 50 replies [ 1, 2 ] 1 17 47

rocket mass heaters

Uncle Mud Asks: Will there be a 2026 Rocket Heater Jamboree?

1 week ago 2 replies 1 2

rocket mass heaters

Wanting to dip my toes into Rocket Heater grill for outdoor grilling

1 week ago 9 replies 2 3

alternative energy

So you want to build a DIY battery box? A guide for the entire process

1 week ago 2 replies 4

solar

How to make solar panels more robust

2 weeks ago 6 replies 1 3

rocket mass heaters

Riser in Barrel Underwater for Hot Tub?

2 weeks ago 4 replies

alternative energy

12V Portable LiFePO4 unheated battery recommendations?

2 weeks ago 24 replies 2

rocket mass heaters

Shorty Core + Oven Single Skin Bell Build

2 weeks ago 16 replies 27 24 2

wind

Vertical axis turbine....ill advised or still viable?

2 weeks ago 1 reply 3

rocket mass heaters

Cheap(ish) prefab mass heater with Shorty core

2 weeks ago 38 replies 2 46 57

rocket mass heaters

Shippable Walker 6" Superhot Cores now available

2 weeks ago 27 replies 1 4 16

rocket mass heaters

Development of a compact batchrocket core.

2 weeks ago 83 replies [ 1, 2, 3, 4, 5, 6 ] 1 98 92

wood burning stoves

Outdoor Cookstove with TEN BRICKS

2 weeks ago 9 replies 8 4

conservation

Small Steps for the Environment

2 weeks ago 3 replies 1 8

wood burning stoves

Nine CapBlock Stove -2nd try to show photos

2 weeks ago 1 reply 3 1

wood burning stoves

Outdoor Cookstove with Nine Concrete Cap Blocks

2 weeks ago 0 replies 3

rocket stoves

Looking for a simple rocket stove design for outdoor cooking

2 weeks ago 10 replies 2 2 5

rocket stoves

Fuel other than wood for rocket stoves.

2 weeks ago 7 replies 1

wood burning stoves

Affordable way to add mass to existing woodstove?

2 weeks ago 48 replies [ 1, 2 ] 20 18

alternative energy

Car Ran On Water To Hydrogen Spark Plug 2006

2 weeks ago 3 replies

rocket mass heaters

Memes to advertise RMHs to the world

5 months ago 21 replies 33 11
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energy

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transportation 3184

bicycle 1908

rocket ovens 2449