Fans & Ventilation

20" Wall Shutter / Backdraft Damper / Wall Vent, brown finish

Fresh air intake Greenhouse shutters allow air to be drawn into the greenhouse by the exhaust fan.  Install low and opposite the exhaust fan. This passive "Economy" Shutter does not require an electric motor, as it is very lightweight galvanized aluminum...

Aluminum Shutter

Provides fresh air Greenhouse shutters allow air to be drawn into the greenhouse by the exhaust fan. SELECT: The Heavy-Duty Aluminum Shutter requires a Shutter Motor to open vanes automatically when the exhaust fan turns on, close when the fan is off. ...

Aqua Fogger II

Direct-Feed Fog Fan - M6226 Our compact atomizing fan provides humidity, evaporative cooling, and air circulation for areas up to 300 sq. ft.  Water is atomized to 40 microns when it leaves the channels in the fan blades.  This misty-fog stream...

Bayliss MK7 Hydraulicheck Solar Vent Opener

Heavy-Duty Control The Bayliss MK7 Hydraulicheck solar vent opener is the best choice for large roof vents and side-hinged wall vents. A built-in hydraulic damper prevents the vent from being wrenched open by high winds. The damper only allows gradual...

Bayliss MK7 Hydraulicheck Spare Part - Replacement Hydraulic Damper

Replacement Hydraulic Damper for the Bayliss MK7 Hydraulicheck Solar Vent Opener Overall length 6". NOTE:  If you have a MK7 solar vent opener that is no longer functioning, this is NOT the part you require to get it working again. The part which...

Bayliss MK7 Orchid Solar Vent Opener

For tropical greenhouses This Bayliss MK7 orchid solar vent opener control operates at a higher temperature than other similar openers, allowing the greenhouse to become about 10° warmer (65° F) before the control begins to open the vent. This...

Bayliss MK7 Super Solar Vent Opener

Heavy Lifting Capacity This larger, heavy-duty Bayliss MK7 Super solar vent opener is suitable for operating heavy, double-glazed greenhouse vents. It can lift 35 lbs. and multiple units can be used to operate full-length ridge vents. The Super has a...

Bayliss MK7 Triple Spring Solar Vent Opener

Harness the sun for automatic ventilation! - C3503 The Bayliss MK7 Triple Spring solar vent opener is the best choice for top-hinged wall vents. It is also recommended for roof vents up to 2' x 4' in windy locations. The 2 extra springs will reduce vent...

Bayliss XL Single Spring Vent Opener

Simple, strong and easy to install Budget “clip-on” model lifting a load of up to 12 lbs. giving a maximum opening of approximately 12″. The unit measures 11″ in length and is supplied in satin anodized finish. Easy to fit -...

Bench Top Oscillating Fan, 12"

Discounted Shipping Low level air circulation for dense foliage Prevent diseases that start in areas of stagnant air. This 3-speed, 12" fan sits on bench or table to provide the best type of air circulation. The quiet oscillating mechanism rotates the...

BY THE FOOT - 12 ft wide Green Knitted Shade Fabric 60%, per linear ft

Economical shading - C2028 Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and early fall. Plan to cover the roof and south wall at least down to bench level. This lightweight, easy-to-handle...

Clip-On Fan

Discounted Shipping Portable air circulation - C3068 Simply clamp onto the greenhouse framework. Quiet, 2-speed operation gently circulates fresh air. 6" blade delivers 90 cfm on low, 190 cfm on high, moving air over 20 ft. Fan head tilts and rotates to...

Economy Vent System

Prewired Economy Vent Systems Low-cost, life-saving ventilation for your plants! Automatic fan reduces excessive heat on hot, sunny days. Set thermostat for maximum desired temperature and fan will turn on automatically to pull cooler air through the...

Evaporative Cooler, 2800 cfm

Provides natural cooling Enjoy fresh, naturally cooled air at a fraction of the cost of air-conditioning. Plus an Evaporative Cooler adds humidity to the greenhouse and filters the air of dust and insects. A powerful fan pushes outside air through a...

Extension Handle for Manual Vent Control

For use with C3535 Manual Vent Control Now reach those out-of-reach skylight operators or vent controls more conveniently. Telescoping for homes or greenhouses with varying height installations. For flat or sloped roof applications. Select Length:5 ft L...

Extra Center Support for Shade Stand-Off Kit

Optional - For use with C2090 Shade Stand-Off Kit Extra center support is needed for ridge beams that are 20 ft long in windy locations, and 24 ft long in regular locations. Includes one center support.