The overall rate of heat loss from a building by means of transmission plus infiltration, expressed in Btu per hour, per degree temperature difference between the inside and outside.

We specialise in the control of natural ventilation
(windows and louvres) and solar mechanical ventilation equipment


Our Intelligent Room Sensors offer unique solutions in sensing
technology not available from the major manufacturers.

Our highly qualified and skilled Controls
and HVAC Support Engineers.

Specialised Software, Protocol
Interfaces and OEM Solutions

A range of intelligent control systems,
which can help reduce energy usage
