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Off the grid, sustainable, efficient energy

Most recent

conservation

Hot, sunny climate with little insulation and AC unit on the roof. How can we permie this?

2 years ago 17 replies 1 7

rocket mass heaters

Mass heater with water heater.

2 years ago 20 replies 2

rocket mass heaters

a beautiful rocket mass heater build on youtube

2 years ago 17 replies 1 1 12

rocket mass heaters

Real life RMH cob bench build

2 years ago 1 reply 1 2

rocket mass heaters

Euro ducting

2 years ago 9 replies 1

wood burning stoves

metal foe flue

2 years ago 6 replies 3

rocket mass heaters

6” batch rmh build

2 years ago 7 replies 11 11

solar

SunDanzer 12 VT Freezer

2 years ago 23 replies 9 7

rocket mass heaters

clay tile firebox

2 years ago 1 reply

rocket stoves

Blue Flame / 30min

2 years ago 9 replies 2 9

rocket mass heaters

Rocket Mass Heaters of 2023

2 years ago 2 replies 3 3

rocket mass heaters

Rocket mass heater

2 years ago 4 replies 1

hydro

Existing Dam on site not generating, what’s next?

2 years ago 4 replies 1

rocket mass heaters

The RMH Builders guide build-pic heavy

2 years ago 201 replies [ 1, 2, 3 < ... <9, 10, 11 ] 1 21 53

rocket mass heaters

Low Tech Lab movie

2 years ago 1 reply 1

wind

100 Watt generator - net metering? sell excess power to the utility at $0.25/kWh.

2 years ago 5 replies 3

rocket stoves

need calculate my batchrocket stove efficiency

2 years ago 5 replies

wood burning stoves

Wood heated hotttub

2 years ago 7 replies 5 5

rocket stoves

Fuzion technologies Freeport bricks?

2 years ago 1 reply 2 1

rocket mass heaters

PAHS High Tunnel Batch Box Rocket Mass Heater

2 years ago 18 replies 13 13

rocket mass heaters

Hoophouse heat, Winter’s here

2 years ago 12 replies 6 5

alternative energy

Horizontal Piston Pump Question

2 years ago 20 replies 1 1

rocket mass heaters

rmh Exhaust options?

2 years ago 7 replies 4

rocket mass heaters

Stratification/bell bench for rmh

2 years ago 39 replies 2 17 16

rocket mass heaters

Free Heat Movie Starring Uncle Mud

2 years ago 0 replies 1 1

rocket mass heaters

Newbie

2 years ago 1 reply 1

wood burning stoves

wood fired hot tub heater

2 years ago 20 replies 15

rocket stoves

Looking for a workshop Heater - something like the cottage rocket

2 years ago 20 replies 1 6 14

rocket mass heaters

Barrel Patina - Fisher Price House

2 years ago 3 replies 1

rocket mass heaters

Batch Rocket Design Question

2 years ago 2 replies 1 1

alternative energy

Rethinking Lithium Batteries

2 years ago 43 replies [ 1, 2 ] 1 1 13

rocket mass heaters

Intrigued by double-barrel side-car.....

2 years ago 2 replies 1 1

wind

Generator conversion

2 years ago 18 replies 1 5

rocket mass heaters

Duct and Cover

2 years ago 18 replies 2

wood burning stoves

Broken log splitter + excavator = genius

2 years ago 1 reply 1 1

rocket stoves

Cost Estimating for Rocket Mass Heaters

2 years ago 6 replies 2

rocket mass heaters

Rocket mass heater on a skoolie?

2 years ago 6 replies 2 5 3

wood burning stoves

Manual log splitter advice

2 years ago 3 replies 2

alternative energy

Global emissions to peak by 2025

2 years ago 8 replies 2

rocket mass heaters

Opinions Needed: BBRMH viable for large shop area?

2 years ago 10 replies 2 3

wood burning stoves

Modified Wood Stove

2 years ago 4 replies 2

alternative energy

Water Powered Car

2 years ago 4 replies 1

rocket mass heaters

Any RMH experts in the (South) Willamette Valley who would be interested in consulting...

2 years ago 1 reply

rocket mass heaters

Extreme Burning Batch box testing RA253 MA

2 years ago 3 replies 12 6

bicycle

Stationary bike that stores power for charging things

2 years ago 8 replies 1
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Forums
energy

rocket mass heaters 44777

rocket stoves 30224

alternative energy 18355

wood burning stoves 14121

conservation 6566

solar 11629

hydro 2316

wind 1171

biogas 984

biodiesel 548

transportation 3121

bicycle 1879

rocket ovens 2414