greenhouse exhaust fan

Move and refresh the stagnant air in your greenhouse or building to create a healthier and more productive growing environment. These greenhouse exhaust followers are excellent for reducing plant and employee heat tension. Our exhaust followers provide excellent ventilation for high tunnels and chilly 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 atmosphere in your greenhouse to make a healthier and more productive environment. These exhaust & circulating fans are excellent for plant growth. Create a cooler more comfortable growing environment, which can directly contribute to productivity, quality and profitability for your greenhouse business.
The concept of cooling a greenhouse with thermal buoyancy and wind dates back to the start of managed environment. All greenhouses built just before the 1950’s got some kind of vents or louvers that were opened to allow the excess heat to flee and cooler outside air flow to enter.

When polyethylene was developed with large sheets covering the whole roof, placing vents on the top proved difficult. Engineers then came up with the concept of using followers that attract outside atmosphere through louvers in a single endwall and exhaust it out the opposite end. With thermostatic control, this is, and still may be the accepted way for cooling many structures where positive surroundings 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 spot with good summertime 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 amount of rain that may drip in.

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