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What is a rocket mass heater?

A rocket mass heater is a highly efficient and eco-friendly heating system that uses a renewable fuel source, such as yard waste and cardboard. It is cheaper to run and build compared to conventional heating systems and emits significantly less smoke and CO2.

How does a rocket mass heater compare to a conventional wood stove?

Rocket mass heaters are more efficient, requiring about 1/10 of the wood needed for a conventional stove. They emit less smoke and gradually release heat throughout the day, reducing the need for constant tending.

How Long Will I Have Access

Many years, probably more than ten years.

Are rocket mass heaters expensive to build?

No, they are relatively inexpensive, ranging from $200 to $600 in cost, and can often be built in a weekend.

What are the environmental benefits of using a rocket mass heater?

These heaters have a lower carbon footprint compared to traditional heating methods, emitting less than 2% of the CO2 of natural gas or electric heat.

What type of fuel do rocket mass heaters use?

They can use various renewable fuels, including yard waste, sticks, and even junk mail.

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  • you can post to the tinkering forum at permies is the creation of Paul Wheaton – a powerful advocate of permaculture. He was dubbed the Duke of Permaculture by both Geoff Lawton and Sepp Holzer, and The Bad Boy of Permaculture by Occupy Monsanto.

    Paul is the owner of the  He is also the founder of CoderanchRich Soil, an organic Master Gardener ProgramFree HeatWood Burning Stoves and Wheaton Labs.  He began his journey toward permaculture innovation in 1995.  At that time, he had created Bananacom, a program used to communicate between computers before there was even the internet. He received his Advanced Master Gardener certificate in 1997, and started writing articles about permaculture techniques in 1999 (he also started a forum to discuss java programming at the same time). Five years later, in 2004, Paul started up his permaculture forums. And things have grown exponentially since!