Efficient lifting: improving chiller performance

Reducing the ‘lift’ in a refrigeration cycle can cut a chiller’s operational energy use significantly, according to Trent Hunt, in a presentation at last month’s ASHRAE Conference in Atlanta. Tim Dwyer summarises the paper

Health provider: The Samson Pavilion at Cleveland Clinic

With significant variation in seasonal temperatures and occupant density, the HVAC systems modelled at the Samson Pavilion in Cleveland, Ohio, USA, by Foster + Partners had to be highly flexible. This was borne out by its recent conversion into a Covid-19 surge hospital, as Phil Lattimore found out