Move and refresh the stagnant surroundings in your greenhouse or building to make a healthier and more productive growing environment. These greenhouse exhaust supporters are excellent for reducing plant and worker heat tension. Our exhaust followers provide superb ventilation for high tunnels and cool frames. Create a cooler convenient growing environment, that may directly contribute to productivity, quality and profitability for your greenhouse business. Exhaust followers also works great in workshops and buildings.
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 productivity, quality and profitability for your greenhouse business.
The concept of cooling a greenhouse with thermal buoyancy and wind goes back to the start of managed environment. All greenhouses constructed just before the 1950’s got some type of vents or louvers which were opened to enable the excess heat to escape and cooler outside atmosphere to enter.

When polyethylene was developed with large sheets covering the whole roof, putting vents on the top proved difficult. Engineers after that came up with the concept of using followers that attract outside surroundings through louvers in a single endwall and exhaust it out the opposite end. With thermostatic control, this was, and still is the accepted method for cooling many structures where positive atmosphere movement is needed.

Growers with hoophouses possess discovered that roll-up sides work 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 helps to have greenhouses designed with a vertical sidewall up to the height of the attachment rail to lessen the amount of rain that may drip in.

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