Heat-recovery ventilation system is 90% efficient

Said to be capable of 90% heat transfer between airstreams — the JS Aventis heat-recovery ventilation system.
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CSA Awards entry total breaks new record
The Commissioning Specialists Association (CSA) 2023 Awards attracted a record number of submissions across the seven main categories, with Roger Carlin of Ashford Environmental Services receiving the Lifetime Contribution Award.
Prince of Wales learns about climate tech innovation during visit
HRH The Prince of Wales recently visited technology hub Sustainable Ventures, which is based in London’s County Hall and is the largest of its type in Europe.