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Fans & Ventilation

  • Hardwire Thermostat
    from $62.95

    Waterproof Greenhouse Thermostat

    Reliable control This quality thermostat will automatically control a fan system or heater. The moisture-proof case offers protection from the we...

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    from $62.95
  • from $29.95

    Replacement Power Tube w/ Lock Washer for Bayliss MK7 Triple Spring

    Select temperature range: #1 Standard Tube Replacement for Bayliss Triple Spring & Hydraulicheck Solar-Powered vent openers (C3503 & C3509)...

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    from $29.95
  • from $41.00

    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 requir...

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    from $41.00
  • from $189.00

    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 protect...

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    from $189.00
  • $39.00

    Clip-On Fan

    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,...

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    $39.00
  • from $34.95

    Fan Speed Control

    Perfect Ventilation Dial-in the precise airflow you want from your exhaust fan or circulation fan. Continuously variable solid-state control lets...

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    from $34.95
  • Out of Stock
    $64.95

    Solar Shutter Control Kit

    Includes Liberty Opener, hardware, instructions    Automate our C3212 Heavy-Duty Aluminum Shutter* -- sizes 16", 18", 20", 24", and 30" -- to let ...

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    $64.95
    Out of Stock
  • $19.95

    Replacement Cylinder for Orbesen Teknik Standard Solar Openers

    For use with C3515 Univent, 3527 Optivent, 3521 Sesam Spiro, and C3533 Liberty Louver Solar-Powered Vent Openers from Denmark. NOTE:  Cylinder colo...

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    $19.95
  • $74.95

    Bayliss MK7 Triple Spring Solar Vent Opener

    Harness the sun for automatic ventilation! The Bayliss MK7 Triple Spring solar vent opener is the best choice for top-hinged wall vents. It is also...

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    $74.95
  • Save 17%
    Original price $54.00
    Current price $44.95

    Ventomax Automatic Vent Opener

    Use for roof vents This streamlined, solar-powered vent opener fits close to the roof, up out of the way. Starting temperature is easy to adjust be...

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    Original price $54.00
    Current price $44.95
    Save 17%
  • from $139.00

    Knitted Shade Panel 60% Green

    Made in the Shade Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and early fall. Plan to...

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    from $139.00
  • $54.00

    Univent Automatic Vent Opener

    Multiple uses This unique solar vent control will open and close roof vents, a cold frame lid, top-hinged wall vents, or even the greenhouse door...

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    $54.00
  • $169.00

    Shutter Motor

    For positive control of Charley's Heavy-Duty Aluminum Shutters Assures maximum airflow by holding the shutter completely open. Prevents drafts on c...

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    $169.00
  • $99.95

    Wall Mount Oscillating Fan, 12"

    Improve your air circulation This handsomely-styled 3-speed, 12" fan provides the best type of air circulation. The oscillating action gives pl...

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    $99.95
  • Out of Stock
    $49.95

    Liberty Automatic Louver Opener

    For automatic ventilation The Sesam Liberty solar-powered control will open and close a louver window as temperatures change, enhancing airflow t...

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    $49.95
    Out of Stock
  • $135.00

    Heat Saver Fan

    Bring heat down to the plants! This fan is specially designed to pull warm air off the ceiling and push it down to the floor. This provides thre...

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    $135.00
  • $4.99

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

    Economical shading Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and early fall. Plan t...

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    $4.99
  • from $74.95

    Lockknit Shade Fabric Kit, 60% density, green

    A low-cost option for shading your greenhouse!   Economical, lightweight, and easy to handle. Cut to any shape or size. It will not unravel. 100% U...

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    from $74.95
  • $19.95

    Thermatic-Vent®

    Automatic cold frame vent USES NO ELECTRICITY! Opens and closes by a temperature-sensitive spring mechanism. Range 40ºF to 70ºF. Install one front ...

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    $19.95
  • $18.95

    Thermostatic Outlet

    Simple plug-in temperature control The Thermo Cube® is thermostatically controlled and turns power on and off automatically, according to outside a...

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    $18.95
  • $52.50

    Table-Top Finger-Safe Fan

    Set this sleek fan anywhere you want to improve air circulation – bench, shelf or hang from a wall or rafter. It features an extra-safe, soft blade...

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    $52.50
  • $99.95

    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...

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    $99.95
  • from $149.00

    Knitted Shade Panel 87% Forest Green or Gray

    This fabric blocks 87% of sunlight Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and ea...

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    from $149.00
  • Sale
    from $324.00

    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 the...

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    from $324.00
    Sale