Each year hundreds of growers install EnviroSTEP controls in their greenhouses. It’s the flexible, rugged choice to integrate the climate control equipment for one zone. There’s no better combination of power and value than the EnviroSTEP. Garden centers, production growers, laboratories and schools all benefit from this control. And it bears the UL mark, your assurance of regulatory approval.


  • Single zone control
  • New and improved back lit LED screen
  • 3 set point periods — day, night and DIF
  • 12 relay outputs with manual override switches
  • 2 analog outputs (0 to 10VDC) to control variable-speed fans and modulating valves
  • 7 analog input channels for connecting light, CO2, RH and temperature sensors
  • 4 digital detector channels sense precipitation, wind speed & direction
  • Records the status of all inputs and outputs in 15-minute increments
  • Alarm outputs: temperature, RH and power failure
  • Replaceable 10 amp DPDT relays, can operate a wide variety of equipment — these relays reduce the cost of your contactor panel
  • Durable corrosion-resistant cabinet with locking door protects cabinet; measures 16” x 16” x 5”
  • Largest display in the industry; has menu-driven choices and graphic functions
  • Keypad for easy operation
  • Ramping allows for gentle transition between set point periods and saves fuel


  • Solar-guarded aspirated temperature & humidity sensor & 100’ of cable


  • STEPsaver software, alarm manager, wireless alarm manager, weather station, lightning protector

To ensure your order's accuracy, please carefully READ ALL PARTS of chart below. Examine model number, specifications, etc. of each item before entering a quantity.  PLEASE NOTE: Prices subject to change without notice. Shipping, handling and freight charges are not included in prices shown.

Catalog #Product InformationSize / Spec.Weight LbsUnit of MeasureQty Per CasePrice Break QuantityPriceQuantity
29-4072-1ENVIROSTEP--EA(?)-1 --- UPWholesale Only
29-4072-9ENVIROSTEP--EA(?)-1 --- 1$2,460.00