Greenhouse Equipment

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.  

Grande View 12" Thermometer

Easy to read This quality thermometer can withstand year-round outdoor temperatures. It displays temperatures in both Fahrenheit and Celsius, using half-inch numerals that are DOUBLE THE SIZE of those on most thermometers of its kind. The small column of...

Greenhouse Bubble Insulation, 24" W roll

Keep your greenhouse warmer Installed inside your greenhouse glazing, this translucent bubble plastic can reduce your heating costs by up to 35%. It is just as effective as insulated glass. It also transmits evenly diffused light through the greenhouse...

Greenhouse Gardener's Companion by Shane Smith

Growing Food & Flowers in Your Greenhouse or Sunspace - V9051 Here is an EXCELLENT resource book for anyone who is serious about building or buying a hobby greenhouse, or who already has one. In a witty yet clear style, you'll find comprehensive...

Greenhouse Poly Cover, 6 mil UVI

Cut to order.  Call 800-322-4707 to place your order! Greenhouse Polyethylene Film Great for your hoop house cover, our greenhouse polyethylene film maintains a warmer climate and promotes more rapid plant growth. It transmits over 90% of sunlight,...

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...

Greenhouse Woven Poly 12 mil Storm Cover, per ft

Toughest Greenhouse Woven Poly - B2316 For reliable protection, cover your greenhouse or cold frame with this super-strong poly. You won’t have to worry about your plants the next time the weather strikes with wind, hail, rain or snow! This polyethylene...

Grommet Clips, pack of 10

For shade fabric tie-down Snap these 10-toothed plastic grommets onto the edge of your shade. Use your rope or cord to tie to greenhouse frame or foundation. 1-5/8" diameter. Made from 100% recycled plastic. Pack of 10. Click here for instructions PDF.

Grounded 24-Hour Equipment Timer

Single Outlet - E3325 This timer is ideal for lighting applications, hydroponics, evaporative coolers, aquaponics, pumps and other equipment requiring electrical grounding. Plug directly into grounded receptacle. Captive pins never get lost. 48 on and...

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...

Indoor Temperature and Humidity Gauge

N2648 Temperature and humidity are the two most important climate readings you need to monitor to keep your greenhouse performing at its peak. This economical instrument tells you both indoor readings at a glance. Size: 6.30" W x 3.18" H x 1" D...

Jumbo Hygro-Thermometer

Know your greenhouse climate. You'll find multiple uses for and multiple places to put this hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's...

Jumbo Thermohygrometer

Easy-to-read temperature scale (°F/°C) Humidity scale (%RH): Dry/Ideal/Wet Mount indoors or outdoors Hang on long nail or screw Weatherproof thermometer Specifications:Temperature range: -60°F to 120°F (-50°C to...