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Off the grid, sustainable, efficient energy

Most recent

wind

Low wind turbine?

12 years ago 11 replies 1

wood burning stoves

secondary burn?

12 years ago 3 replies

rocket mass heaters

rmh brick question

12 years ago 7 replies

rocket stoves

lol my first experimental rocket stove melted its self

12 years ago 1 reply

wood burning stoves

outdoor wood furnace with gas on demand hot water

12 years ago 3 replies

biogas

suitcase turbine and genset

12 years ago 3 replies

wood burning stoves

enlarged firebox

12 years ago 11 replies

wood burning stoves

fit woodstove into old fireplace?

12 years ago 1 reply

rocket mass heaters

Random newbie question on RMS, exhaust, and plants.

13 years ago 2 replies

rocket stoves

Olive pulp pellets

13 years ago 7 replies 1

rocket mass heaters

for greenhouse, or any does large duct size matter?

13 years ago 5 replies

rocket mass heaters

heat reflecting piant to protect a metal burntunnel/heatriser

13 years ago 8 replies 2

rocket mass heaters

RMH troubleshooting

13 years ago 2 replies

rocket mass heaters

rocket mass heater build

13 years ago 1 reply

rocket mass heaters

My Ohio shop rocket stove

13 years ago 1 reply 1

hydro

Low heat thermal turbine.

13 years ago 20 replies 10

rocket mass heaters

awesome secondary burn videos, a better way?

13 years ago 0 replies

wood burning stoves

24x24 clay chimney liner instead of 45 gallon drum

13 years ago 8 replies

rocket mass heaters

Thermodynamics

13 years ago 5 replies

rocket mass heaters

wmo/babington fired rmh

13 years ago 3 replies

rocket mass heaters

(Slightly) New Spin

13 years ago 4 replies

rocket mass heaters

Basement rocket stove

13 years ago 14 replies 7

rocket mass heaters

External Rocket Mass Heater

13 years ago 6 replies

rocket mass heaters

getting ready to build with a few questions:)

13 years ago 7 replies 5

rocket mass heaters

Backyard newcomer's test-runs

13 years ago 0 replies

alternative energy

Thermal and Sterling energy

13 years ago 4 replies

transportation

Electric car conversion?

13 years ago 18 replies 3 1

alternative energy

Brillouin e-cat latest video

13 years ago 12 replies

rocket stoves

How to control the air inflow and out in a stove

13 years ago 4 replies 1

rocket mass heaters

galvanized Vertical "chimney" off-gassing

13 years ago 5 replies 1

rocket mass heaters

Two barrel side by side stove

13 years ago 6 replies 2

rocket mass heaters

Rocket Mass Heater Weekend Workshop near Bozeman, Montana!

13 years ago 0 replies

transportation

Human power/electric hybrid car

13 years ago 7 replies 1

rocket mass heaters

protecting Wooden Floor

13 years ago 1 reply 2

solar

best power for part-time occupancy?

13 years ago 9 replies

rocket mass heaters

Floor/Base insulation - building an RMH on the bare earth

13 years ago 0 replies

rocket stoves

Rocket stove experiment

13 years ago 5 replies

rocket mass heaters

Earthen floor insulation techniques

13 years ago 2 replies

hydro

Hydro powered air Compressor (not a trompe!)

13 years ago 5 replies 1

biogas

making biogas

13 years ago 6 replies

rocket mass heaters

smoke and burn back on new build

13 years ago 9 replies 2

transportation

Efficiency of Gas Engines

13 years ago 42 replies [ 1, 2 ] 1 1

alternative energy

Wood chip trench in a polytunnel...

13 years ago 7 replies 1

alternative energy

Brillouin Energy and Alchemy - results

13 years ago 27 replies
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Forums
energy

rocket mass heaters 45747

rocket stoves 30316

alternative energy 18832

wood burning stoves 14395

conservation 7085

solar 11925

hydro 2327

wind 1185

biogas 992

biodiesel 557

transportation 3378

bicycle 1942

rocket ovens 2458