Heat recovery
Chillers use large amounts of energy and can typically cost 10 times as much to run over their lifetime as their capital cost. Just in the Chemicals and Food and Drink manufacturing sectors, total refrigeration is estimated to consume 5,240GWh/year (over 5% of industrial electricity use)*, equating to carbon dioxide emissions of approaching two million tonnes per year.
* UK Energy Consumption, BEIS and ONS, 2017