Window Greenhouse, Food Dryer, and Solar Heater

You can build a window greenhouse, food dryer, and solar heater all for the price (and effort!) of one.



066 window box - solar heater
When used as a solar heater, both vents are closed and the doors are opened to let air circulate from the house. 
MOTHER EARTH NEWS STAFF
066 window box - window greenhouse
When used as a window greenhouse, both vents are opened slightly and the doors are closed.
PHOTO: MOTHER EARTH NEWS STAFF
66-81-i3_01_01.JPG
Parts and assembly diagram for the three way window unit.
MOTHER EARTH NEWS STAFF

















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