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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

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

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

conservation

How to save fuel when driving?

60 replies 2 1 97

rocket mass heaters

double chamber cob oven plans - download

2 17 6

rocket mass heaters

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 stoves

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?

60 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 mass heaters

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

71 replies 25 67

rocket ovens

Heavy Snow, The Smoke Shack takes a direct hit

19 replies 26 36

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

34 replies 1 38

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

rocket ovens

Andalusian Pizza Rocket

17 replies 5 32

solar

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

14 replies 2 1

More »
Most recent

wood burning stoves

Making biochar in the wood stove

4 hours ago 31 replies 3 9 10

rocket mass heaters

Guidance on RMH build in a light wood construction

7 hours ago 13 replies 10 14

rocket mass heaters

Batchrocket icw barrel and bench (as a bell)

9 hours ago 17 replies 8 10

alternative energy

Building 100 AH LiFePo4 Battery Box

16 hours ago 67 replies [ 1, 2 ] 41 13

rocket mass heaters

A Hidden Cost of RMHs!

2 days ago 14 replies 1 1 18

alternative energy

Replaced old lead acid batteries with LifePO4 for home power system off grid

2 days ago 25 replies 6

rocket mass heaters

8"J-tube with Bell to heat living room and kitchen

4 days ago 25 replies 14 26

solar

Why grass grows better under trampolines

5 days ago 4 replies 1 4

rocket ovens

Andalusian Pizza Rocket

6 days ago 17 replies 5 32

wood burning stoves

rocket mass heater - air from outside?

1 week ago 24 replies 2

conservation

20 ways to REALLY reduce your summer utility bills

1 week ago 122 replies [ 1, 2, 3, 4 ] 1 5 3

alternative energy

washing dishes: by hand vs. dishwasher

1 week ago 113 replies [ 1, 2, 3 ] 2 4 3

alternative energy

Generating electricity off-grid with used veggie oil

1 week ago 52 replies [ 1, 2 ] 8 3 21

biogas

Human BIOGAS Waste as Fertilizer

1 week ago 1 reply 1

wood burning stoves

Mini wood-burning cookstove for a tiny house

1 week ago 28 replies 3 16 36

rocket mass heaters

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

1 week ago 71 replies [ 1, 2 ] 25 67

alternative energy

Car Ran On Water To Hydrogen Spark Plug 2006

1 week ago 4 replies

hydro

recirculate water from waste valve on ram pump

1 week ago 9 replies 2

solar

What size Breaker in your AC Panel fed from Solar Inverter

1 week ago 12 replies 3 2

rocket mass heaters

Cushions for the rocket bench

1 week ago 34 replies 1 38

transportation

That funny rattle noise...

1 week ago 5 replies 6 11

solar

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

1 week ago 3 replies 3

alternative energy

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

1 week ago 17 replies 3

solar

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

1 week ago 6 replies 2

bicycle

heavy duty cargo trailer. 8 ft long.

1 week ago 7 replies 11

alternative energy

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

2 weeks ago 0 replies 2 2

rocket mass heaters

Built a new grill

2 weeks ago 0 replies 3 1

alternative energy

Batteries home building --maybe

2 weeks ago 13 replies 1 1

conservation

Dream clothes line?

2 weeks ago 5 replies 8

solar

Help wiring 4 12volt batteries to make 24 volts

2 weeks ago 10 replies 3 1

wood burning stoves

Chimney cleaning

2 weeks ago 26 replies 1 16

alternative energy

Alternative heat type

2 weeks ago 8 replies

rocket mass heaters

Solar sand/thermal mass battery in combination with RMH

2 weeks ago 34 replies 2 7

rocket mass heaters

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

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

rocket mass heaters

Retrofitting our RMH with a Rubino bypass

2 weeks ago 1 reply 11 10

wood burning stoves

Splitting firewood, is bigger better?

2 weeks ago 11 replies 1 10

rocket mass heaters

Historic coal fireplace to RMH conversion

3 weeks ago 2 replies 6

rocket mass heaters

RMH, mass under the kitchen table

3 weeks ago 50 replies [ 1, 2 ] 1 17 47

rocket mass heaters

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

3 weeks ago 2 replies 1 2

rocket mass heaters

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

3 weeks ago 9 replies 2 3

alternative energy

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

3 weeks ago 2 replies 4

solar

How to make solar panels more robust

3 weeks ago 6 replies 1 3

rocket mass heaters

Riser in Barrel Underwater for Hot Tub?

3 weeks ago 4 replies

rocket mass heaters

Memes to advertise RMHs to the world

5 months ago 21 replies 33 11
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Forums
energy

rocket mass heaters 45091

rocket stoves 30258

alternative energy 18520

wood burning stoves 14180

conservation 6872

solar 11693

hydro 2318

wind 1174

biogas 986

biodiesel 558

transportation 3195

bicycle 1908

rocket ovens 2452