ESi Controls Ltd was established in 2008 and is a wholly-owned subsidiary of KOPEK Industries. As part of KOPEEC, ESi brings to the market an unbeatable amount of experience in the field of electronic controls, RF and fibre technology. ESi Controls Ltd invests heavily in research and design to develop a range of innovative energy-saving controls for residential and commercial use. With creativity and dynamic design as ESi’s key strengths, the company has gone from strength to strength and it is now one of the fastest-growing designers and manufacturers of heating controls in the UK. ESi has two manufacturing facilities in the UK, including over 60,000 sqm of assembly lines that incorporate the latest automatic test methods. With over 1,500 staff members and 100 management and research personnel, the company aims to offer an ever-growing range of comprehensive and easy-to-use heating controls. These include motorised valves, thermostats, time switches and immersion heater controls.