Every greenhouse needs airflow to regulate temperature and humidity levels. A Greenhouse Ventilation Kit from Greenhouse Megastore is an all-in-one package to install venting for any enclosed space. It includes one or two commercial shutter greenhouse fans with a thermostat and motorized aluminum shutter(s). By hardwiring the J&D single-stage thermostat to an electrical power source, you can set the shutter and fan to turn on and off automatically based on the temperature. You can add an optional variable speed controller for more precision. We offer nine ventilation systems with different greenhouse fans and shutters based on the amount of space you need to circulate air. See the CFM ratings below for each system and use our guide to determine how much airflow is required in a space. Greenhouse ventilation systems are also ideal for workshops, garages, warehouses and other areas that need temperature control and airflow. We provide full sales and technical support. Save money by ordering this complete ventilation package. This package consists of our Commercial Shutter Fan, Aluminum Shutter(s), and a J&D Single Stage Thermostat. All items must be hardwired to an existing power source. Package Specifications Select desired package at the top right of the page. Sizing information below. Package Fan Specifications Motorized Shutter Specifications Thermostat Package CFM Rating(@0.05" SP) 1212 Package VES12 12" Shutter Fan (1) VRSG20X Shutter CT-VC15 Heat/Cool Stat 880 1620 Package VES161 16" Shutter Fan (1) VRSG24A Shutter CT-VC15 Heat/Cool Stat 1,300 1622 Package VES161 16" Shutter Fan (2) VRSG20X Shutters CT-VC15 Heat/Cool Stat 1,300 2024 Package VES20 20" Shutter Fan (2) VRSG24A Shutters CT-VC15 Heat/Cool Stat 2,920 2430 Package VES24 24" Shutter Fan (2) VRSG30A Shutters CT-VC15 Heat/Cool Stat 4,310 2030 Package (2) VES20 20" Shutter Fans (2) VRSG30A Shutters CT-VC15 Heat/Cool Stat 5,840 3030 Package VES30 30" Shutter Fan (2) VRSG30A Shutters CT-VC15 Heat/Cool Stat 6,320 2436 Package (2) VES24 24" Shutter Fans (2) VRSG36A Shutters CT-VC15 Heat/Cool Stat 8,620 3042 Package (2) VES30 30" Shutter Fans (2) VRSG42A Shutters CT-VC15 Heat/Cool Stat 12,640 Add a Variable Speed Controller! Additional Information Manual Commercial Shutter Fan - ES SHUTTER FANNote: The wiring diagram for the shutter fan is located directly on the motor housing. Thermostat How-to-Wire for Heating or Cooling How Do I Size My Fans and Shutters System? 1. The first thing that you need to determine is the amount of air required. This is stated in CFM (Cubic Feet of Air per Minute). 2. Use the following formula to determine the CFM required for your greenhouse:CFM = Length x Width x HeightExample: Greenhouse 12' wide x 24' long x 12' high requires 3456 CFM (12 x 24 x 12 = 3456) 3. Reference the above table. Select the appropriate combination of fan(s) to achieve the necessary CFM rating. Be sure to match the total CFM output for your exhaust fan(s) to the CFM ratings for your Inlet Shutters.
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