This $100 Wall Heats Any Home FOREVER. Why Did We Stop Using It?

This $100 Wall Heats Any Home FOREVER. Why Did We Stop Using It? This video is about the Trombe wall, a passive solar heating system named after French engineer Félix Trombe. About Off Axis: We dig up ancient and forgotten technologies that outperform their modern replacements — and show you the science behind why they work. New videos every week. 👉 If you found this valuable, subscribe and hit the bell so you don't miss the next one. 💬 Drop a comment below — what forgotten technology should we cover next? 📩 Business inquiries: [email] Disclaimer: The information in this video is for educational and entertainment purposes only. Always consult a qualified professional before attempting any construction, electrical, or engineering project. We are not responsible for any damages, injuries, or losses resulting from the use of information presented on this channel.

This $0 Dome Will Cool Your Entire Home to 40°F WITHOUT Electricity. Why Don't We Use It?
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This $0 Dome Will Cool Your Entire Home to 40°F WITHOUT Electricity. Why Don't We Use It?

This Is The Most Efficient Cooling System Ever Built — But Only 2% Of Houses Use It
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This Is The Most Efficient Cooling System Ever Built — But Only 2% Of Houses Use It

How a 1973 Water Roof Kept a House at 70°F With No AC and No Furnace
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How a 1973 Water Roof Kept a House at 70°F With No AC and No Furnace

This $50 Wall Cools Any Home By 25°F FOREVER. Why Aren’t We Using It?
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This $50 Wall Cools Any Home By 25°F FOREVER. Why Aren’t We Using It?

Built & Tested: 5 DIY Solar Air Heaters w/ Full Data Analysis
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Built & Tested: 5 DIY Solar Air Heaters w/ Full Data Analysis

This $300 Chimney Cools Your Home WITHOUT Electricity. Why Did They Bury It?
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This $300 Chimney Cools Your Home WITHOUT Electricity. Why Did They Bury It?

The $12 Norwegian Stove That Heats a House for 18 Hours on One Log — Rocket Mass Heater Decoded
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The $12 Norwegian Stove That Heats a House for 18 Hours on One Log — Rocket Mass Heater Decoded

I Built a $250 Desert Air Conditioning System That Uses Almost NO Electricity (and it WORKS!)
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I Built a $250 Desert Air Conditioning System That Uses Almost NO Electricity (and it WORKS!)

Cool a Room for $7 FOREVER... No Electricity, No AC
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Cool a Room for $7 FOREVER... No Electricity, No AC

Forget Modern Insulation. The First Architects on Earth Built Homes That Stayed Cool in 110°F Heat
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Forget Modern Insulation. The First Architects on Earth Built Homes That Stayed Cool in 110°F Heat

This "Stone" Home Costs $5,000 and Lasts 500 Years. Why Did They Ban It?
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This "Stone" Home Costs $5,000 and Lasts 500 Years. Why Did They Ban It?

This Backyard Loop Makes 400% More Energy Than It Uses. Why Isn't It In Every Home?
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This Backyard Loop Makes 400% More Energy Than It Uses. Why Isn't It In Every Home?

FREE Heating and Cooling From a Wall That Costs Almost Nothing. Why Is It Illegal?
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FREE Heating and Cooling From a Wall That Costs Almost Nothing. Why Is It Illegal?

How Clay Pots Can Make Any Home 50% Cooler WITHOUT Electricity
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How Clay Pots Can Make Any Home 50% Cooler WITHOUT Electricity

7 Ignored Passive Cooling Strategies That Will INSTANTLY Cool Your Home In Summer
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7 Ignored Passive Cooling Strategies That Will INSTANTLY Cool Your Home In Summer

This Home Survives EF5 Tornadoes, Wildfires, and Costs $0 to Heat. Why Aren't We Using It?
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This Home Survives EF5 Tornadoes, Wildfires, and Costs $0 to Heat. Why Aren't We Using It?

China Just Replaced Traditional Wood with This — Engineers Are Amazed
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China Just Replaced Traditional Wood with This — Engineers Are Amazed

Medieval Builders Knew Something About Foundations We Forgot
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Medieval Builders Knew Something About Foundations We Forgot

How The Japanese Cool Their Homes Without Electricity FAST
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How The Japanese Cool Their Homes Without Electricity FAST

This Home Wind Turbine Makes 10X More Power. Why Aren't We Using It?
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This Home Wind Turbine Makes 10X More Power. Why Aren't We Using It?