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Home > Green Energy Futures > 54. Earth Tubes are cool & they can heat too!
Podcast: Green Energy Futures
Episode:

54. Earth Tubes are cool & they can heat too!
Category: Technology
Duration: 00:04:00
Publish Date: 2013-11-20 18:00:00
Description: The earth tube is a humble, simple invention. It pre-heats or pre-cools the air coming into a building by running it through an underground pipe. If you go a meter or two underground the earth is a constant 4-6 degrees. By taking advantage of that free heat you can can save a ton of money. We explore a couple earth tube projects in this episode of CKUA's Green Energy Futures.
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