Tag Archives: Heating Pipe

How to Build a Rocket Mass Heater to Heat the Crawl Space of Your Off Grid Home, Cabin or Shed

Heating the Crawl Space of Your Home, Cabin or Shed with a Rocket Mass Heater to Keep Your Home Warm During the Coldest Polar Vortex

What is a rocket mass heater?

A rocket mass heater a hyper efficient wood stove that uses far less wood to get a far more effective result, whether it’s heating or cooking. It grew out of efforts in developing countries to build a more fuel efficient, safer cooking stove and it has since morphed into an idea that could eventually replace your furnace.

When building your first off grid cabin, one of the chief concerns is what is the best to heat it. Most people rely entirely on wood fuel. A regular wood burning stove will make a big dent in the precious wood pile. But not with a rocket mass heater. For those who haven’t encountered one before, the rocket mass heater (RMH) is a well proven though not widely used way to burn wood very efficiently, and then capture all the heat produced, in a mass – normally a bench or bed – by passing the flue horizontally through it. (see below)

Off Grid Living - How to Build a Rocket Mass Heater to Heat a Home or Cabin

Off Grid Living – How to Build a Rocket Mass Heater to Heat a Home or Cabin

First it burns small fuel, which we typically don’t use in our range cooker. Secondly, it burns very efficiently and thus cleanly, so less fuel is required. Most people are  a little skeptical about the claims made for RMHs, especially the cleanliness of the exhaust and the temperatures that could be reached inside the burner, but they are indeed very true.

Most will require a 20ft horizontal flue, heat retaining bench that snakes its way around the crawl space underneath the cabin and a 50 gallon steel drum needs to be designed as part of a building as outlined in the diagram above.  It would be smart to build this at the same time your build your home or cabin.

Read more => https://www.permaculture.co.uk/readers-solutions/build-your-own-rocket-mass-heater

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Using a Thermo Electric Fan to Harvest Wood Stove Heat Junkyard Style for an Off Grid Home or Cabin 

New York – Anyone who heats with a wood stove knows that the experience is completely different from typical central heating. It’s not for everyone, though, and it’s certainly not without its trade-offs. One of the chief complaints is getting heat away from the stove and into other areas of the house, and many owners turn on an electric fan to circulate the heated air.

That’s hardly in the green nature of wood heating, though, and fans can be noisy. So something like this heat-powered stove-top fan can come in handy. Such fans, which use Peltier devices to power a small electric motor, are readily available commercially.

The Peltier module was salvaged from an old travel fridge and mounted to a heat sink from a computer to harvest heat from the stove. The other side of the Peltier needs to have a heat sink to keep it cooler than the hot side, and chose an unconventional bit of salvage for the job — the cylinder of a chainsaw engine. The spark plug hole sprouts the mount for the fan motor, and the cooling fins help keep the Peltier cool. And to prevent overheating of the device, he added a surprise — a car cooling system thermostat to physically lift the device off the stove when it gets too hot. Genius!

Read more => https://hackaday.com/2018/04/27/thermoelectric-fan-harvests-wood-stove-heat-junkyard-style/

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Best Tips and Tricks for Using a Wood Stove to Heat an Off Grid Home, Shed or Cabin

Watch this Video on How to Add Heating Conduit Pipes, Fans, Bricks and a Damper Plate to Greatly Improve a Stove’s Heat Production

Why heat with a Wood Stove? The answer is simple-comforting, economical, and environmentally-friendly.  Whether it’s the warm glow of the fire, the crackle of the wood or the deep penetrating warmth, wood stoves have a way of making people feel relaxed and right at home.

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