Move and refresh the stagnant air flow in your greenhouse or building to create a healthier and more productive developing environment. These greenhouse exhaust fans are excellent for reducing plant and worker heat stress. Our exhaust followers provide excellent ventilation for high tunnels and chilly frames. Create a cooler more comfortable growing environment, which can directly contribute to productivity, quality and profitability for your greenhouse business. Exhaust enthusiasts also works great in workshops and buildings.
Move and refresh the stagnant atmosphere in your greenhouse to create a healthier and more productive environment. These exhaust & circulating fans are great for plant growth. Create a cooler convenient growing environment, which can directly contribute to efficiency, quality and profitability for your greenhouse business.
The idea of cooling a greenhouse with thermal buoyancy and wind goes back to the beginning of managed environment. All greenhouses built prior to the 1950’s got some kind of vents or louvers that were opened to allow the excess heat to escape and cooler outside air to enter.
When polyethylene was developed with large sheets within the whole roof, putting vents on the roof proved difficult. Engineers then came up with the concept of using enthusiasts that attract outside air through louvers in one endwall and exhaust it out the contrary end. With thermostatic control, this was, and still is the accepted method for cooling many structures where positive air movement is needed.
Growers with hoophouses have found that roll-up sides work very well for warm season ventilation. Both manual and motorized systems are available. A location with good summer time breezes and plenty of space between houses is needed. It can help to have greenhouses made with a vertical sidewall up to the height of the attachment rail to lessen the quantity of rain that can drip in.
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