Grainger

Min/Max HygroThermometer with audible alerts

FREE Shipping Monitor humidity and temperature anywhere Stay aware of weather trends and preserve valuable property. This HygroThermometer shows min/max for last 24 hours or all time. You can set...

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...

Wall Thermostat

Free Shipping Economical control Automatic control for greenhouse fans or motorized vents. Fits standard recessed electrical wall box. Working range is 40°-90° F. Dial markings:...

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...

120-Volt Portable Heater

FREE Shipping With extra safety features This electric heater, with automatic thermostat, provides the most heat available (5,120 Btu’s) from 120 volts, 12.25 amps. Selector switch: 1,500/1,300...

Powered Ventilation System

Automatically cool your greenhouse Powerful, forced air ventilation automatically cools your greenhouse when needed. The fan is matched with a specific size of shutters to provide you the optimum...

Lean-To Powered Ventilation System

Automatically cool your sunroom A narrow home-attached greenhouse will receive adequate fresh air from a single oversized intake shutter. It is preferable to locate the fan on the end wall opposite...

Shutter Motor

Free Shipping For positive control of Charley's Heavy-Duty Aluminum Shutters - C3259 Assures maximum airflow by holding the shutter completely open. Prevents drafts on cold windy days by holding the...

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...

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,...

Wall Mount Oscillating Fan, 12"

Free Shipping Improve your air circulation - C3067 This handsomely-styled 3-speed, 12" fan provides the best type of air circulation. The oscillating action gives plants a short, brisk breath of...