Sentinel EVC-1 Environmental Controller

Out of stock
Special Order Item

Usually 2 weeks lead time before shipment, although times may vary. Not returnable unless the item is defective within warranty.

Selected Add-Ons

    These items have been made 'special order' due to long lead times. Please call to order or visit our category of Controllers & Timers for alternatives.


    The EVC-1 provides extreme flexibility in reliable solid-state environmental controller. Selectable CO2, temperature and humidity modes allow the user to control temperature and humidity separately or together. Built-in photocell activates C02 device during the day. Night device outlet can control an exhaust fan/sulfur burner, etc.

    • 15 amps @ 120 VAC
    • 32 to 120 degrees F
    • 0-99% rH
    • +/- 2’ F
    • +/- 7% rH

    Comes With:
    • Familiar "analog" controller.
    • Built-in photocell controls CO2.
    • Heavy gauge #14 AWG cables and wire.
    • Super-duty 30-amp relays for long life.
    • Power switch and re-settable 15-amp circuit breaker provides over-current protection.

    • The EVC-1 is a very flexible and useful controller.
    • It combines the ability to control temperature, humidity, a CO2 device and a Night device all in one neat package.
    • The user can select one of 3 different modes and feel safe using it with a re-settable table circuit breaker and heavy-duty components and wiring.
    • Simplest to use, easy to own.
    • 3 year warranty.

    How to use:
    • The unit comes with a metal bracket that is first attached to a wall. Secure the bracket to the wall with 2 screws. Then use the 2 thumb screws to secure the enclosure to the bracket.
    • The device(s) that will be controlled by the EVC-1 must be 15-amp or less COMBINED load. There are FOUR outlets (receptacles) on the EVC-1 One of them is used to control the temperature devices like AV or fans. Another receptacle is to connect your humidity device like a humidifier or dehumidifier. A CO2 receptacle is provided that will activate a CO2 device during the day, with or without coordination with the temperature control device. The 4th receptacles called "Night Device" activates a device like dehumidifiers, exhaust fans etc. that is only to be operated at Nighttime. It has a built-in photocell that senses whether it is Day or Night.
    • The unit requires a 15-amp power supply. Plug the power cable into a standard wall outlet. The built-in circuit breaker will protect the unit from overloads. Select the mode of operation you want the unit to ,./function with, set your temperature and humidity level and then... sit back and let the EVC-1 do the work for you.

    • For indoor growing, cooling devices such as ventilation fans or air-conditioners connect to the temperature device.
    • Dehumidifier or a humidifier can be connected to the humidity device receptacle.
    • Heaters for cooler climate greenhouses can be connected to the night device receptacle
    • Connect your compressed CO2 solenoid / regulator assembly OR a CO2 generator to the CO2 device receptacle.

    Humidity Accuracy +/- 7%rH
    Temperature Mode Cooling
    Humidity Mode Dehumidify or Humidify
    Min/Max Operating Temperature 32' to 120' F
    Min/Max Operating Humididity 0-99% RH
    Temp Sensor Length 3 ft
    Dimensions 8" x 6.5" x 3.1"

    EVC-1 Instruction Manual PDF
    More Information
    NameSentinel EVC-1 Environmental Controller
    Warranty3 Year
    Amps15 amps
    ETL ListedYes
    FREE ShippingNo