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Greenhouse: Harbor Freight Automatic Vent Opener, 1 by Domehomedee

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In reply to: Harbor Freight Automatic Vent Opener

Forum: Greenhouse

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Photo of Harbor Freight Automatic Vent Opener
Domehomedee wrote:
Good idea to measure the distance before I get to excited about any remote device. I will be adding a roof vent when I replace the plastic, something I could use in the summer that would be cheaper than running fans all day. Here's a pic of my set-up. This 12' x30 foot hoop house cost about $500.
This pic is from January 2013, the whole area off to the left is a fenced butterfly garden now.