EMSc (UK) Ltd is renowned for designing and manufacturing the Star® range of energy saving products. EMSc's main product is the market leading Powerstar voltage optimisation solution, but we also manufacture Airstar and Hotelstar, products that allow companies, organisations and hotels to reduce their energy costs as well as reduce their carbon emissions.Powerstar is a unique voltage optimisation system with a patented design that actively reduces a considerable portion of your electrical energy consumption through power optimisation. Airstar uses high speed transistor technology and air valves to allow compressed air to be accurately controlled. It is a cost effective, engineered solution, designed for easy integration with a flexible on/off control.Hotelstar provides substantial energy savings by means of intelligent control.Sensors monitor the guest rooms discreetly and switch power accordingly to avoid waste of energy when there are no occupants in the room.