greenhouse exhaust fan

Move and refresh the stagnant atmosphere in your greenhouse or building to make a healthier and more productive developing environment. These greenhouse exhaust enthusiasts are excellent for reducing plant and worker heat tension. Our exhaust enthusiasts provide superb ventilation for high tunnels and cold frames. Create a cooler convenient growing environment, which can directly contribute to productivity, quality and profitability for your greenhouse business. Exhaust enthusiasts also works great in workshops and structures.
Move and refresh the stagnant air flow in your greenhouse to create a healthier and more productive environment. These exhaust & circulating fans are excellent for plant development. Create a cooler convenient growing environment, that may 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 start of controlled environment. All greenhouses built prior to the 1950’s experienced some type of vents or louvers which were opened to allow the excess heat to escape and cooler outside air flow to enter.

When polyethylene originated with large sheets covering the whole roof, placing vents on the roof proved difficult. Engineers then came up with the idea of using supporters that pull outside atmosphere through louvers in one endwall and exhaust it out the opposite end. With thermostatic control, this is, and still is the accepted method for cooling many structures where positive atmosphere movement is needed.

Growers with hoophouses have discovered that roll-up sides work very well for warm season ventilation. Both manual and motorized systems can be found. A location with good summer time breezes and lots of space between homes is needed. It can help to have greenhouses designed with a vertical sidewall up to the elevation of the attachment rail to reduce the quantity of rain that can drip in.

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