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The most important element for energy efficiency in a cold climate: an AIR BARRIER.  It resists heat loss due to convection/air infiltration, otherwise known as "drafts" in a "leaky" building.    "The stack effect provides the air pressure difference to drive air change in buildings.  The stack effect occurs due to the density differences between heated and cooled air.

The air barrier system is designed as the primary air enclosure boundary that separates indoor (conditioned) air and outdoor (unconditioned) air.

Started with blower, air cleaner, filter box. I used 1/2" MDF for the case and the entire assembly is hung from the ceiling. I should have done this long ago. The shop is now completely clear of the fine dust that previously covered everything. - created via http://pinthemall.net:

Started with blower, air cleaner, filter box. I used MDF for the case and the entire assembly is hung from the ceiling. I should have done this long ago. The shop is now completely clear of the fine dust that previously covered everything.

Renewable Energy: Solar Air Conditioning (Solar Chimney)

Renewable Energy for the Poor Man: Solar Air Conditioning/Solar Chimney

Window Mounted Solar Hot Air Furnace. lower your winter heating bill and carbon footprint by generating heat for free using the power of the sun.

How To Make a Window Mounted Solar Hot Air Furnace

Window Mounted Solar Hot Air Furnace. lower your winter heating bill and carbon footprint by generating heat for free using the power of the sun.

Soda can solar heater, v2, completed | Hemmings Daily

DIY solar heater from soda cans with up to 120 degree (F) temperature differential.

Drainline Heat Exchangers - BuildingGreen.  Under shower heat exchange to warm the cool water coming in.

Drainline Heat Exchangers

Under shower heat exchange to warm the cool water coming in.

Solar Furnace - 30cm (11.81"")

Eisco Labs Solar Furnace - with 11.8" (30cm) diameter dish

Micro Hydro Generators for DIY Renewable Energy buying source

Micro Hydro Generators for DIY Renewable Energy buying source

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