Channel: paul wheaton

Category: Science & Technology

Tags: third worldpaul wheatonwofatidomestic heatrocket stoveresidential heatrocket mass heatersolar ovenfirst worldsiewenergy

Description: I'm Paul Wheaton and my mission today is to share information about residential heating and cooking that may be the most sustainable solution for both third world countries and first world countries. The current problems are massive and devastating. Twelve years ago I heard about an attempt to solve this with solar ovens. The result was that the effort didn't fit the culture. Rocket stoves were introduced that would do cooking with one tenth the wood, and about a hundredth of the smoke. Not a perfect solution, but a strong step in the right direction - because it fit the culture. A strong reduction in pollutants and a reversal in desertification. The rocket stove technology was modified to work as a source of residential heat called a rocket mass heater. The most popular designs being made dominantly of mud. A conventional wood stove extracts the heat immediately [improved image than what i have in my youtube vid], so the temperatures in the fire rarely gets hot enough to burn the smoke and creosote. Further, to keep a home warm through the night the fire is typically choked down for a slow, all-night burn. This act will force a 75% efficient wood stove to burn at 3% efficiency. Smoky, with a lot of creosote. A rocket mass heater is designed only for hot burns, and insulates the fire to get to temperatures over 1800 degrees (F - 1000 C) which burns the smoke and creosote. A portion of the heat is directed to a mass which will spread that heat out over the next few days - thus eliminating the desire to have an unattended fire at night. Rocket mass heaters started entering homes about ten years ago. We are discovering several optimizations every year - both for first world countries, making them more handsome - and for third world countries, exploring ways to build them from materials found in the local landscapes. The amount of wood required to heat a home through an entire winter is so small, it could be collected from the branches and twigs that naturally fall from a few nearby trees. In this video, we built a rocket mass heater as part of an outdoor demonstration in an hour and ten minutes. You can see the fire burning and not only is the exhaust clear but ... The average carbon footprint for electric heat in Montana is 29 tons. To heat that same home with a rocket mass heater is 0.4 tons. Scaling this solution to a billion people would solve climate change. We are re-exploring the use of this technology with cooking, but this time routing the exhaust outside. Rocket cooktops and rocket ovens. There is nothing proprietary here. This information has been shared freely. We are also re-exploring some low tech building designs that use the heat from the summer to heat a home through winter. And, conversely, cool a home in the summer as the heat is stored. Naturally, this form of winter heat has zero pollution of any kind. We hope to get the design to the point that this form of construction is less than the cost of building a conventional home. Thanks for inviting me to speak at the Singapore International Energy Week. More about my projects can be found a permies.com editing by bernal brothers animation permies.com/bernal Thanks to my patreon peeps for pushing me into making videos again patreon.com/pwvids Dr. Hugh Gill Kultur Kyle Neath Mehron Kugler Kerry Rodgers Bill Crim Dolius Jocelyn Campbell jocelyncampbell.com Greg Martin Vention Bartell Bill Erickson Ashley Cottonwood G Cooper Bryan Beck Paula Creevy Pasquale DeAngelis Denzil crews James Tutor Eric Tolbert danita neu Polly Jayne Smyth Opalyn Brenger Candice Crawford William Kearns All my stuff: permies.com/stuff