Fans & Ventilation

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...

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 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...

Bench Top Oscillating Fan, 12"

Free 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 fan...

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

FREE 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 point...

Evaporative Cooler, 2800 cfm

Discounted Shipping 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...

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. ...

Gigavent Control

Heaviest lifting capacity The ultimate solar vent control! Opens and closes vents weighing up to 65 lbs. A hydraulic safety damper prevents gusty winds from damaging the vent. Adjustable operation starting at 62° F and wide open at 86° F...

Gigavent Replacement Cylinder

For use with Gigavent Control C3526 from Orbesen Teknik in Denmark. Cylinder color is black with ridges.  

Greenhouse Shutter Exhaust Fan

Rugged, reliable exhaust fans Provide reliable ventilation for your greenhouse with this exhaust fan. The fan motor is totally enclosed for protection from humidity. The galvanized shutter has felt-edged aluminum vanes that blow open from the fan...

Greenhouse Thermostat

Reliable control - E3127 This quality thermostat will automatically control a fan system or heater. The moisture-resistant case offers protection from the wet greenhouse climate. The external stainless steel temperature sensor is very accurate and quick...

Hard-Wire Fan Speed Control (weather-resistant), 120V, 5 amp

Perfect Ventilation - E3131 Continuously variable solid-state control lets you select the proper exhaust fan speed and minimum fan starting speed for your greenhouse. Also used on air circulation fans. Use only on fans and blowers with Shaded Pole, PSC,...

Heat Saver Fan

Bring heat down to the plants! - C3086 This fan is specially designed to pull warm air off the ceiling and push it down to the floor. This provides three major benefits: Heating costs are reduced up to 20% because heat loss through the roof is reduced...