There has been a dramatic fall in the energy consumed by the heating and ventilation plant serving Chester Zoo’s elephant house. The installation by JBC Controls of a variable speed drive and Trend IQ3xcite controller on the building’s air handler has produced annual electricity and gas savings of over £25,000 – for an outlay of just £9,500. Fan power consumption has dropped by an average of 80% and – owing to the demand-led controller strate

Join for free to read