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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 73

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

alternative energy

It is 2025 and incandescent is still better than LED

216 replies 14 17 24

conservation

making the best of electric heat

460 replies 2 42 19

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 stoves

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 mass heaters

Ernie and Erica Wisner's Rocket Mass Heater Everything Combo

38 replies 29 3

rocket stoves

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

Shorty Core gets a bell

82 replies 70 57

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

New Build First Generation Batchbox 6" Double Brick Bell

23 replies 44 40

rocket mass heaters

Rebekah's 8 inch RMH

43 replies 43 50

rocket mass heaters

shorty core replacing bbr with sidewinder

105 replies 1 26 10

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

More »
Most recent

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

1 hour ago 24 replies 44 40

wood burning stoves

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

1 hour ago 0 replies 1

rocket ovens

"PANIS NOSTER" bread oven/smoker with BBR firebox

2 hours ago 0 replies 18 1

rocket mass heaters

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

5 hours ago 1 reply 9 1

transportation

Alternative Modes of Travel (Some Abnormal, too)

7 hours ago 19 replies 3 5 5

wood burning stoves

Firewood Drying

12 hours ago 11 replies 1 2

rocket stoves

All American, all cob rocket stove

23 hours ago 7 replies 1 1

rocket mass heaters

Troubleshooting pocket rocket to burn paint off a barrel

1 day ago 19 replies 1 3 5

rocket mass heaters

shorty core replacing bbr with sidewinder

1 day ago 105 replies [ 1, 2, 3 ] 1 26 10

alternative energy

solar dehydrator - good for wet tropics?

1 day ago 0 replies

rocket stoves

Like no Other

1 day ago 2 replies 3

rocket mass heaters

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

2 days ago 17 replies 32 12

rocket mass heaters

Casting Large refractory Slabs

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

wood burning stoves

Building to hold out the Russian winters

2 days ago 7 replies 2 6

conservation

New house, Texas, 1/3 acre

2 days ago 27 replies 25 4

rocket mass heaters

Integrating two heating systems

2 days ago 10 replies 2 2

rocket mass heaters

typical temperatures inside rocket mass heater

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

wind

Wind power

4 days ago 5 replies 1

rocket mass heaters

Rocket mass heater with sand battery?

4 days ago 3 replies 1

rocket stoves

Looking for a simple rocket stove design for outdoor cooking

4 days ago 7 replies 1 3

solar

Query concerning LiFePO4 charging

5 days ago 41 replies [ 1, 2 ] 14 3

solar

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

5 days ago 2 replies

solar

Seeking more guidance on solar project please

5 days ago 10 replies 6

rocket stoves

Rocket Stoves

6 days ago 100 replies [ 1, 2, 3 ] 1 75 19

wood burning stoves

Increase wood stove efficiency during blackout

6 days ago 68 replies [ 1, 2 ] 121 39

wood burning stoves

Draft issues canvas tent stove

1 week ago 5 replies 4 1

rocket mass heaters

Cut split stack...

1 week ago 24 replies 20 15

transportation

Driving vs. Flying

1 week ago 20 replies 4

wood burning stoves

Woodstove clearance question

1 week ago 4 replies 1 2

rocket mass heaters

Dragon sighting

1 week ago 2 replies 2 1

rocket mass heaters

Best Heat, a Warmer Home with Half the Wood Live Event

1 week ago 1 reply 1 27

rocket mass heaters

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

1 week ago 48 replies [ 1, 2 ] 1 16 45

alternative energy

Best heat: comparing 9 types of heat in Montana

1 week ago 0 replies 1

alternative energy

Infographic to consider the best heat - all costs

1 week ago [ 1, 2 ] 1 14 23

rocket mass heaters

Moving Old Friends again, & again, and again

1 week ago 16 replies 6 15

alternative energy

Horvath Patents Allowed Engine To Run On Water Improved Electrolysis Efficiency

1 week ago 4 replies

rocket stoves

The Big thread of Tiny Stoves

1 week ago 50 replies [ 1, 2 ] 11 1 12

rocket mass heaters

Weight constraints exerted by an RMH on the first floor

1 week ago 31 replies 14 6

transportation

bumper to bumper car convoy 500mpge

1 week ago 12 replies

solar

Explaining Cells Voc Isc Bypass Diodes With Water Analogy

1 week ago 2 replies

solar

solar cooking

1 week ago 21 replies 1 5 5

alternative energy

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

2 weeks ago 6 replies 4

alternative energy

Seed or Rice Stove, etc?

2 weeks ago 1 reply 1

rocket mass heaters

Shorty Core gets a bell

2 weeks ago 82 replies [ 1, 2, 3 ] 70 57

rocket ovens

Cob and brick oven with rocket technology

2 weeks ago 41 replies [ 1, 2 ] 36 66
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Forums
energy

rocket mass heaters 43462

rocket stoves 30136

alternative energy 18248

wood burning stoves 13870

conservation 6492

solar 11514

hydro 2308

wind 1162

biogas 980

biodiesel 538

transportation 3028

bicycle 1869

rocket ovens 2390