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Off the grid, sustainable, efficient energy

Most recent

rocket mass heaters

Double bell rocket mass heater to heat a yurt

7 months ago 33 replies 23 14

transportation

Sustainable transportation; new sustainable cargo ships, wooden and with sails

7 months ago 1 reply 1 2

rocket mass heaters

Rocket Mass Heater Resources Wiki

7 months ago 9 12 29

wood burning stoves

Best cooking/heating solution in the city?

7 months ago 3 replies

rocket mass heaters

RMH and PM2.5

7 months ago 9 replies 4 9

rocket stoves

Seeking plans for oil drum rocket (for trailer sauna)

7 months ago 9 replies 6 3

rocket mass heaters

Guardian: "Huge gaps in US rules for wood-stove smoke exposed"

8 months ago 11 replies 7

rocket stoves

pellet reserve and fragmented reconstituted wood

8 months ago 3 replies 8 1

alternative energy

Better Use For Capacitors?

8 months ago 3 replies 1

alternative energy

Meyer Hydrogen Generator Cell Best Of The Many Designs

8 months ago 0 replies

wood burning stoves

Ecco stoves, does anyone have experience of one?

8 months ago 8 replies 2

rocket mass heaters

insulation

8 months ago 10 replies 2 4

biogas

Sawdust

8 months ago 4 replies

rocket mass heaters

Best Practices for Using an Existing Chimney to Vent a Masonry Stove

8 months ago 9 replies 5 3

wood burning stoves

How Chimneys Work

8 months ago 11 replies 7

wood burning stoves

Wood burning - a very expensive "free" option

8 months ago 75 replies [ 1, 2 ] 1 4 50

rocket mass heaters

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

8 months ago 12 replies 20 9

rocket mass heaters

Searching for rocket stove consultant

8 months ago 2 replies 1

bicycle

Show Us What You Are Hauling On Your Bike

8 months ago 124 replies [ 1, 2, 3, 4 ] 5 93 96

alternative energy

Solar water heater plans - safe and easy to build

8 months ago 19 replies 2 1 2

rocket mass heaters

Burn tunnels and other delights

8 months ago 6 replies 2 2

alternative energy

Organic waste - solar heated to make biochar - wood gas /syngas burned for electricity

8 months ago 1 reply 1

rocket mass heaters

Inexpensive vacuum formed ceramic fiber heat risers here in USA

8 months ago 127 replies [ 1, 2, 3, 4 ] 8 35 8

rocket mass heaters

Shippable core kits will be available January 1, 2018!

8 months ago 27 replies 17 2

biogas

Biogas in cool climates

8 months ago 7 replies 1

rocket mass heaters

Looking for Help RMH (2) In NY to build this fall..

8 months ago 1 reply 1

alternative energy

Thermal heat storage

8 months ago 21 replies 14 3

rocket mass heaters

Improving the efficiency of a finnish contraflow

8 months ago 7 replies 6 4

solar

Solar Projects the good, the bad, the cutting edge, the starter system,

8 months ago 51 replies [ 1, 2 ] 1 30 12

wood burning stoves

One wood shed full and one to go

8 months ago 19 replies 15 4

wood burning stoves

Bucking firewood before power tools.

8 months ago 28 replies 2 2 14

hydro

Hydro Electric Power and Conversion

8 months ago 5 replies 1 5

rocket mass heaters

RMH possible in starplate dome?

8 months ago 3 replies

rocket mass heaters

Best way to measure amount of wood used over the winter?

8 months ago 19 replies 6 5

rocket mass heaters

Is burning out the barrels actually necessary?

8 months ago 7 replies 1 4 4

rocket mass heaters

Rocket mass heater flue height questions

8 months ago 4 replies

solar

Passive solar: is it better to cover the windows in the summer?

8 months ago 8 replies 4 2

rocket mass heaters

MONTANA MASONRY HEATERS

8 months ago 6 replies 2 11

wood burning stoves

Clay vs vermiculite fire bricks

8 months ago 4 replies

rocket mass heaters

Comparing Heat Pumps and the Rocket Mass Heater.. And an apple poll about heat!

8 months ago 17 replies 2

wood burning stoves

Safer hot water attachment

8 months ago 3 replies 9 5

rocket mass heaters

Memes to advertise RMHs to the world

8 months ago 17 replies 27 5

rocket mass heaters

Batch box RMH inside a Jotul 118

8 months ago 12 replies 3 18 8

rocket mass heaters

comparing a heat pump to a rocket mass heater

9 months ago 41 replies [ 1, 2 ] 5 1 10

rocket mass heaters

cost to professionally install all types of heaters

2 years ago [ 1, 2, 3 ] 2 4
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Forums
energy

rocket mass heaters 42821

rocket stoves 30022

alternative energy 18086

wood burning stoves 13711

conservation 6445

solar 11198

hydro 2295

wind 1155

biogas 980

biodiesel 538

transportation 2994

bicycle 1851

rocket ovens 2296