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Off the grid, sustainable, efficient energy

Most recent

rocket mass heaters

Heavy Snow, The Smoke Shack takes a direct hit

7 months ago 19 replies 26 36

wood burning stoves

Anybody used these Barrel Stove Kits?

7 months ago 20 replies 1 2 25

transportation

Can I charge a scooter battery with a car battery charger?

7 months ago 17 replies 2

rocket mass heaters

Casting Large refractory Slabs

7 months ago 49 replies [ 1, 2 ] 29 28

rocket mass heaters

Uncle Mud Tiny House Rocket Mass Heater 1 Year Update--The Long Firegeek Version

7 months ago 12 replies 1 3 9

rocket mass heaters

On the ground stone floor heating

7 months ago 2 replies 1

solar

A cool website I found

7 months ago 0 replies

wood burning stoves

underfloor heating system with a rocket mass heater

7 months ago 19 replies 1 1 1

solar

Solar Farms greening the desert?

7 months ago 1 reply 1

solar

Solar Panel Installation: An Advanced Solution For Higher Utility Bills

7 months ago 5 replies 3

rocket mass heaters

Rocket mass heater ideas wanted

7 months ago 4 replies 2 2

rocket mass heaters

Minimum space between insulated riser and barrel for a 6 inch rmh

7 months ago 5 replies 2 4

solar

Strange solar array problem

7 months ago 7 replies 1

solar

Solar Energy for pond pump

7 months ago 13 replies

solar

The limits of solar energy

7 months ago 44 replies [ 1, 2 ] 1 4 30

wood burning stoves

Another Type of Mass Heater?!?

7 months ago 11 replies 1 1

wood burning stoves

How big is too big for a RMH riser?

7 months ago 0 replies

conservation

Why Medieval Blanket Systems Worked At -40°F While Your 300$ Bedding Fails

7 months ago 15 replies 1 11

solar

Adding a separate MPPT to an inverter system

7 months ago 14 replies 4

rocket mass heaters

Rocket water heater

7 months ago 5 replies 1 3

alternative energy

John Keely Fraud Devices 1800's

7 months ago 0 replies

alternative energy

General paper on global energy transitions.....

8 months ago 1 reply 1

solar

Solar panel questions from a noob :)

8 months ago 7 replies 4

alternative energy

Home made power question

8 months ago 11 replies 2 2

wood burning stoves

How many times do you move your firewood?

8 months ago 14 replies 3 4

rocket mass heaters

High heat rare earth magnets

8 months ago 2 replies 3 5

rocket mass heaters

Western MA, New England regional RMH workshop and build--*what's your utopia*?

8 months ago 9 replies

alternative energy

Heat pumps, sewage and sewage lines

8 months ago 4 replies 3

rocket mass heaters

how do we tell more people about rocket mass heaters

8 months ago [ 1, 2, 3 < ... <8, 9, 10 ] 27 60 186

solar

Low battery-how to recharge

8 months ago 29 replies 9

solar

Figuring out power for small, off-grid home

8 months ago 16 replies 3

solar

Solar panels inadvertently harm envronment?!

8 months ago 33 replies 1 8

solar

Keeping snow off solar panels

8 months ago 23 replies 3 7

conservation

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

8 months ago [ 1, 2 ] 1 34

wood burning stoves

RMH with cob stratification chamber bench - how to actually build the shape.

8 months ago 13 replies 7

rocket mass heaters

A Food Bin for Shorty

8 months ago 4 replies 10 16

alternative energy

Briggs 18Hp Mower Engine Ran On Water In Carburetor

8 months ago 87 replies [ 1, 2, 3 ] 13 4

rocket mass heaters

To stop RMH fire brick cracking

8 months ago 2 replies 3

conservation

What heat to use when supply chains break down?

8 months ago 86 replies [ 1, 2, 3 ] 2 3 16

wood burning stoves

Increase wood stove efficiency during blackout

8 months ago 85 replies [ 1, 2, 3 ] 149 44

rocket mass heaters

Anyone converted a fireplace to all-in-one rocket mass heater with oven and cooktop?

8 months ago 7 replies 1 5

rocket mass heaters

My Greenhouse Project

8 months ago 7 replies 2 1 1

alternative energy

Nickel-Iron 'Edison' Batteries

6 years ago 78 replies [ 1, 2 ] 1 6

solar

Pump recomendations for pumping water from a pond with (20ft of head)

6 years ago 13 replies 2 6
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