Senasys provides reliable greenhouse temperature control solutions for commercial greenhouses & plant nurseries. Our thermostats automate heating, cooling, and ventilation systems. As a result, growers maintain stable growing conditions with less manual adjustment.

For technical support or OEM pricing, please contact us.

greenhouse temperature controlVariable Fan Controllers for Greenhouse Temperature Control

Greenhouses require consistent ventilation to remove excess heat. Therefore, a variable fan controller adjusts airflow based on temperature changes.

This control increases fan speed as temperatures rise. Conversely, it reduces airflow when cooling demand drops. As a result, the system improves energy efficiency while maintaining stable internal conditions.

The NEMA 4X enclosure protects the control from moisture, humidity, and washdown exposure. Because greenhouse environments often involve water and fertilizer mist, sealed protection remains critical for long-term reliability.

Find out more about Variable Fan Controllers for greenhouse temperature control.

Line Voltage Thermostats to Automate Greenhouse Systems

Line voltage thermostats provide direct switching of heaters, fans, and ventilation equipment. As temperature changes, the sensing element responds and cycles connected equipment accordingly.

These thermostats feature adjustable set points for seasonal flexibility. In addition, rugged housings withstand humid and corrosive greenhouse conditions. This design supports dependable operation throughout the year.

Because they switch line voltage directly, these controls simplify system design. As a result, installers reduce the need for additional relays or control components.

Learn more about Line Voltage Thermostats for greenhouse climate automation.

Two-Stage Line Voltage Thermostats for Dual Heating & Cooling Control

Some greenhouse systems require separate heating and cooling stages. In these cases, a two-stage line voltage thermostat provides independent control points.

The dual SPDT switching allows one stage to activate at a lower temperature and another at a higher set point. For example, the first stage can control heaters while the second stage activates exhaust fans or shutters. This staged response reduces short cycling and improves overall system balance.

The NEMA 4X enclosure protects against moisture and debris. Additionally, UL and cUL approvals support use in commercial greenhouse installations.

Discover Two-Stage Line Voltage Thermostats for greenhouse temperature control systems.

Senasys designs greenhouse temperature control solutions that improve consistency, protect equipment, and support plant health. Whether managing ventilation, automating heaters, or coordinating staged heating and cooling, our thermostats deliver reliable performance in demanding greenhouse & nursery environments.

Contact our technical support today!

Senasys

The superior controls manufactured by Senasys have a history of solid performance in many industries. From 22.5 mm selectors, to the four quadrant lighted feedback CMC controls, almost any switching need can be, and has been utilized in a variety of applications. Select a group below for more information. When you have found a switch that fits your needs, simply fax or email your specs to us and let our highly trained engineers find the most efficient configuration for your applications.

Custom Soltutions

Senasys products are designed & manufactured to meet the needs of original equipment manufacturers worldwide.

Made in U.S.A.

Senasys products are designed & manufactured in Eau Claire, Wisconsin, U.S.A.