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Off the grid, sustainable, efficient energy

Best ever

rocket mass heaters

Matt Walker tiny cookstove build in Portugal

220 replies 32 187 233

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

rocket mass heaters

Rocket stoves in Greenhouses , our own forum topic

396 replies 21 107 23

rocket mass heaters

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

196 replies 3 29 234

conservation

It is 2026 and incandescent is still better than LED

221 replies 15 21 30

rocket mass heaters

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

451 replies 7 213 71

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

bicycle

Show Us What You Are Hauling On Your Bike

125 replies 5 96 98

wood burning stoves

Matt Walker continental stove build

167 replies 122 128

rocket mass heaters

portable rocket mass heater

189 replies 8 20 3

rocket mass heaters

beautiful rocket mass heaters

55 replies 2 33 28

rocket mass heaters

using metal in the burn tunnel and heat riser

92 replies 5 29 31

rocket mass heaters

Greenhouse Rocket Stove

49 replies 2 9

rocket mass heaters

First Rocket stove heats water with pics

122 replies 11 6 3

alternative energy

Building 100 AH LiFePo4 Battery Box

201 replies 3 165 36

rocket mass heaters

are rocket mass heaters "appropriate technology" given the availability of efficient woodstoves?

155 replies 5 5 29

rocket mass heaters

Shorty Core gets a bell

89 replies 70 60

rocket mass heaters

Tiny House Cook Stove and Heater

104 replies 7 19 28

More »
Best this year

rocket mass heaters

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

196 replies 3 29 234

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

44 replies 82 76

rocket mass heaters

A Hidden Cost of RMHs!

36 replies 2 9 34

rocket mass heaters

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

Cushions for the rocket bench

34 replies 1 39

rocket mass heaters

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

44 replies 1 33 47

transportation

What's inside?

21 replies 26 16

transportation

Good Permie Cars...

81 replies 8 2 15

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

Guidance on RMH build in a light wood construction

30 replies 16 31

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

wood burning stoves

Mini wood-burning cookstove for a tiny house

30 replies 3 23 39

rocket mass heaters

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

13 replies 8 23

rocket stoves

Toilette eu de Rocket?

11 replies 17

wood burning stoves

Masonry Heater

19 replies 11 27

rocket mass heaters

Shorty Core + Oven Single Skin Bell Build

16 replies 27 24

More »
Most recent

alternative energy

Pneumatic Electrical Generator

9 hours ago 11 replies

conservation

It is 2026 and incandescent is still better than LED

11 hours ago 221 replies [ 1, 2, 3, 4, 5, 6 ] 15 21 30

biogas

Ebook Woodgas Builders Bible by Ben Peterson

1 day ago 21 replies 1 4

rocket mass heaters

Rocket mass heater owners - willing to give tour and ask questions about their heater?

1 day ago 11 replies 1 1 3

solar

Easy Instructions for Making a Solar Emergency or Recharging Station

2 days ago 7 replies 5 6 9

rocket stoves

Bricks or insulation - What should I do to this firebox

2 days ago 8 replies 7 10

rocket mass heaters

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

6 days ago 196 replies [ 1, 2, 3, 4, 5 ] 3 29 234

wood burning stoves

Matt Walker continental stove build

6 days ago 167 replies [ 1, 2, 3 < ... <8, 9, 10 ] 122 128

alternative energy

Electric generator using free fuel

1 week ago 3 replies 2 2

alternative energy

Michael Smith, AACT. Green waste to power production and soil remediation

1 week ago 3 replies 1 1

solar

New Solar Panel Mounting Brackets

1 week ago 4 replies 2

rocket stoves

Toilette eu de Rocket?

1 week ago 11 replies 17

rocket mass heaters

6" BBR plunge door and cob bracing

1 week ago 2 replies 4

solar

Indoor solar food dehydrator

1 week ago 5 replies

solar

Waterflow through vertical pex coils

2 weeks ago 0 replies

rocket mass heaters

Building a RMH into a new foundation.

2 weeks ago 10 replies 3

wood burning stoves

Outdoor wood burner furnace

2 weeks ago 0 replies 1

rocket mass heaters

Batchrocket.eu hacked, progress so far

2 weeks ago 11 replies 21

transportation

Natural Car Storage

2 weeks ago 10 replies 1 2

solar

Solar heat clothes dryer (actual machine, not a laundry line)

2 weeks ago 1 reply 1 2

bicycle

BikeBus or BiciBus

2 weeks ago 1 reply 1 1

rocket mass heaters

RMH build with Sand as mass - and brick instead of pipe

2 weeks ago 8 replies 1 5

rocket mass heaters

Design help for a cabin RMH/Cookstove

2 weeks ago 9 replies 4 10

alternative energy

Pellet stoves

3 weeks ago 25 replies 2

wood burning stoves

In Praise of the Pellet

3 weeks ago 17 replies 1 2 3

conservation

electric kettle vs stove top

3 weeks ago 46 replies [ 1, 2 ] 1 7

rocket stoves

Emergency need for dummies-level brick stove that burns charcoal

3 weeks ago 7 replies 1 6

rocket mass heaters

Video Database (Rocket Mass Heaters)

3 weeks ago 13

wood burning stoves

time-lapse of russian rocket build

3 weeks ago 8 replies

rocket mass heaters

Guidance on RMH build in a light wood construction

3 weeks ago 30 replies 16 31

conservation

roof whitewash/blackwash for cooling/heating

3 weeks ago 13 replies

wood burning stoves

How to elevate a fireplace insert and hold it far enough from a wooden floor

3 weeks ago 3 replies

alternative energy

Sand battery - thermal mass proto type.

3 weeks ago 112 replies [ 1, 2, 3 ] 18 69 11

solar

Running solar wires long distance

3 weeks ago 16 replies 1 9

rocket mass heaters

Rocket stoves in Greenhouses , our own forum topic

4 weeks ago 396 replies [ 1, 2, 3 < ... <8, 9, 10 ] 21 107 23

wood burning stoves

Outdoor cooking project.

4 weeks ago 21 replies 3

wood burning stoves

Simple mini woodshed design

4 weeks ago 8 replies 4 5

rocket mass heaters

Finish Plasters for rocket mass bench

4 weeks ago 14 replies 5

wood burning stoves

What type of floor protector to place under a wood burning stove?

4 weeks ago 7 replies

wind

The Wing'dmill - 18 year old design from a fluid mechanics Ph.D

1 month ago 6 replies 1

wood burning stoves

Walker continental stove and flooring

1 month ago 5 replies 1

alternative energy

Heating water with wood..

1 month ago 2 replies 1 2

alternative energy

Unlimited Fuel In Perpetuity for Free in Theory - ethanol from spirulina

1 month ago 35 replies

alternative energy

Building 100 AH LiFePo4 Battery Box

1 month ago 201 replies [ 1, 2, 3, 4, 5, 6 ] 3 165 36

rocket mass heaters

Memes to advertise RMHs to the world

9 months ago 22 replies 33 20
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Forums
energy

rocket mass heaters 45320

rocket stoves 30283

alternative energy 18760

wood burning stoves 14284

conservation 6926

solar 11781

hydro 2325

wind 1184

biogas 989

biodiesel 557

transportation 3305

bicycle 1922

rocket ovens 2456