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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

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

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

283 replies 14 85 4

conservation

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

4 27 46

rocket mass heaters

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 stoves

using metal in the burn tunnel and heat riser

92 replies 5 29 31

More »
Best this year

rocket mass heaters

New Build First Generation Batchbox 6" Double Brick Bell

43 replies 82 71

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 27

rocket mass heaters

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

75 replies 4 41

transportation

TRAINS! do you travel on them?

45 replies 2 13 16

rocket mass heaters

shorty core replacing bbr with sidewinder

111 replies 1 26 10

rocket mass heaters

Rebekah's 8 inch RMH

43 replies 43 50

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

I made the rocket stove into a product that can be mass-produced

49 replies 25 19

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

Lightweight Rocket Mass Heater Mediterranean Climate

33 replies 15 20

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

DSR2 Batch box in Nova Scotia

33 minutes ago 11 replies 5 13

rocket mass heaters

Alternative Heating - Climate Considerations

1 hour ago 4 replies 4 3

wood burning stoves

Stove for a bomb shelter

4 hours ago 33 replies 37 10

rocket mass heaters

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

8 hours ago 8 replies 20 16

solar

DIY LiFePO4 battery assembly from cells: Battery Management system (BMS) question.....

17 hours ago 14 replies 7 9

solar

Considering upgrading 5 year old offgrid system

1 day ago 23 replies 8 5 7

rocket mass heaters

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

1 day ago 75 replies [ 1, 2 ] 4 41

wood burning stoves

Matt Walker continental stove build

1 day ago 137 replies [ 1, 2, 3 < ... <6, 7, 8 ] 97 112

rocket stoves

door air inlet and outlet

1 day ago 1 reply 1 1

rocket stoves

Rocket Stoves

1 day ago 103 replies [ 1, 2, 3 ] 1 77 20

transportation

Small Cars - What do you drive?! WHY?

2 days ago 43 replies [ 1, 2 ] 4 6

conservation

Composter heating

3 days ago 53 replies [ 1, 2 ] 1 8 28

rocket stoves

Is Ceramic Wool the same as Ceramic Fiber Insulation

3 days ago 1 reply 1

alternative energy

Building 100 AH LiFePo4 Battery Box

4 days ago 20 replies 19 8

rocket mass heaters

Is there such a thing as a hybrid RMH?

5 days ago 11 replies 2 4 14

wood burning stoves

Introducing the Firestorm Apparatus

5 days ago 0 replies 7

rocket stoves

Sand battery - thermal mass proto type.

6 days ago 102 replies [ 1, 2, 3 ] 15 67 11

rocket mass heaters

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

6 days ago 10 replies 2 3

rocket mass heaters

shorty core replacing bbr with sidewinder

6 days ago 111 replies [ 1, 2, 3 ] 1 26 10

rocket mass heaters

Uncle Mud's Alabama Tiny House Rocket Mass Heater

1 week ago 12 replies 9 1 10

rocket mass heaters

Eucalyptus wood in Rocket Mass Heater

1 week ago 7 replies 5 13

rocket mass heaters

Lightweight Rocket Mass Heater Mediterranean Climate

1 week ago 33 replies 15 20

rocket mass heaters

Tight space. how to heat

1 week ago 10 replies 2

biogas

Home Biogas Systems

1 week ago 15 replies 1

rocket mass heaters

Rocket Mass Heater Resources Wiki

1 week ago [ 1, 2 ] 9 12 31

wood burning stoves

Old Blaze King KFF-403

1 week ago 31 replies 5 1

rocket mass heaters

Airframe Construction Shorty Core

2 weeks ago 38 replies [ 1, 2, 3, 4 ] 35 30

rocket mass heaters

Outside Air for RMHs? Not necessarily.

2 weeks ago 7 replies 1

rocket mass heaters

Novel, simple, safe idea for a hydronic mass radiant heater (not rocket-y)?

2 weeks ago 6 replies 3

rocket mass heaters

Carbon Footprint of all forms of heat

2 weeks ago 4

rocket mass heaters

combo passive solar thermosiphon + rocket stove water heater design

2 weeks ago 14 replies 4 2

solar

Baby steps in the basement: Sizing 48V inverter/charger for furnace and well-pump back-up.

2 weeks ago 4 replies 1 1

rocket mass heaters

can you turn a kiva fireplace into a rocket mass heater?

2 weeks ago 8 replies 2 2

alternative energy

31 ways to save on winter heating for $30 or less

2 weeks ago [ 1, 2 ] 1 34

rocket mass heaters

Design help needed for RMH fitment.

2 weeks ago 10 replies 3 3

rocket mass heaters

Matt Walker tiny cookstove build in Portugal

2 weeks ago 212 replies [ 1, 2, 3, 4, 5, 6 ] 32 187 223

wood burning stoves

Making Wood Stoves Safe for Pets

3 weeks ago 41 replies [ 1, 2 ] 4

rocket mass heaters

Memes to advertise RMHs to the world

3 weeks ago 20 replies 33 11

rocket mass heaters

Rocket Mass Heater in existing 2 story house

3 weeks ago 3 replies

wood burning stoves

Permies Poll: How many cords of wood do you burn a year?

3 weeks ago 11 7

rocket mass heaters

First flights of the Studio Dragon

3 weeks ago 13 replies 33 31

solar

The Solar Porch- Passive Solar Retrofit

3 weeks ago 17 replies 6 7

rocket mass heaters

The magic of a clean burning burning Batchbox stove

3 weeks ago 3 replies 3

wood burning stoves

What happened to my woodstove?

3 weeks ago 8 replies 2 1

wood burning stoves

Firewood Calculator

7 months ago 9 replies 5
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energy

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transportation 3034

bicycle 1871

rocket ovens 2400