Greenhouse Conditions
Venting

Venting is critical both to draw out hot air and to provide air circulation to reduce problems with pests and diseases. Vents can be manual, electric, or solar (these are triggered to open and close by the heat of the sun.) Ideally, vents should be placed both high and low to allow for proper airflow. They should be well constructed so they can be tightly closed on the coldest days. Exhaust fans placed high in the greenhouse help push hotter (upper) air out, while allowing cooler (lower) air to enter.

 

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