Building Automation & Energy Management Hardware
At the heart of the Reliable Controls® MACH-System™ installed by Certus Controls are peer-to-peer, fully programmable and networkable BACnet® controllers that have been designed for a combination of maximum flexibility, practicality, and cost efficiency. Our sensors are aesthetically appealing while at the same time being accurate and dependable. As always, our products are meticulously engineered to provide convenient access, easy installation, and rapid expansion capability.
MACH-ProWeb Series
Powerful, 32-bit fully programmable, versatile, and expandable BACnet® building controllers with built-in web server.


MACH-Pro Series
Powerful, 32-bit fully programmable, versatile, and expandable BACnet® building controllers.



RC-FLEX Series
RC-FLEXair® is a fully customizable BACnet building controller tailored for sophisticated VAV and terminal unit control.
RC-FLEXone® is a versatile, programmable BACnet building controller ideal for comprehensive equipment and room-level control applications.


MACH-ProView Series
The Reliable Controls MACH-ProView™ LCD is a powerful and elegant BACnet Building Controller (B-BC) and BACnet Operator Display (B-OD) that provides a plenitude of attractive, high-resolution graphical interfaces to access, control, and monitor the comfort and energy of any space.


SMART Sensor
A complement to any room, the Reliable Controls SMART-Sensor™ Electronic Paper Display (EPD) delivers a modern networked-sensor solution that allows you to connect with up to 10 configurable parameters related to your space.
