Heating and Ventilation News One third of the 350 installations planned as part of UK demand-side-response project trial have now been completed in support of efforts to expand use of renewable energy in heating Housing association, student accommodation and private rental properties are among the buildings now being used to trial a smart energy project based around hot water cylinders and storage technologies. The solutions are being installed into 350 homes as part of the USER Project that seeks to create a smart, demand-side-response network from hot water cylinders. AI is incorporated as part of the project to help adapt to the changing costs and demand for renewable energy to ensure improved efficiency when heating properties.