ENV is the quintessential DDC Control system. It Monitors and Controls all aspects of a complex HVAC installation. If you think of all of the mechanical devices in a building as the musicians, the occupants as the audience, then ENV is the Conductor.
Please watch this short video. It tells the whole story. It was developed by Rehau, a reseller, who markets ENV under a private label as RSC – Rehau Smart Control.
THE LITMUS TEST
The question you should ask yourself is "Do any of my upcoming projects require a sophisticated DDC control system?" Look over this list. If at least one of those projects requires 3 or 4 of these, then you should consider ENV.
and Control Points
Source Heat Pumps
Zone Valves, and
Radiant and DHW
Heating, Cooling, and Forced Air Zones