Specifiers need to start assessing a refrigerant’s embodied carbon as well as its global warming potential, says Klima-Therm’s Tim Mitchell, who is working with bodies such as LETI and CIBSE to calculate the full carbon impact of HVAC systems
Tag: Cooling
Chamber music: Brinson Staniland Partnership’s earth labyrinth ventilation for Kent College’s Great Hall
To help maintain comfort conditions in Kent College’s Great Hall, air is cooled using five giant, subterranean concrete chambers. Andy Pearson speaks to engineer Brinson Staniland Partnership about how the labyrinth ventilation system works
Maintaining thermal comfort in a changing climate
In a warming climate, what can be done to maintain thermal comfort and productivity levels in buildings without resorting to excessive cooling? Phil Lattimore reports from a CIBSE Health and Wellbeing Group video debate
Book review: The Architecture of Natural Cooling by Brian Ford
Brian Ford’s The Architecture of Natural Cooling gives guidance on implementing a collaborative approach to design, and explains the creative application of building physics. London South Bank University’s Andy Ford reviews the contents
Zero-GWP cooling using the barocaloric effect
A Cambridge start-up is pioneering a breakthrough technology, based on the barocaloric effect, to develop a radical zero-GWP cooling system. Phil Lattimore reports
Using water as a refrigerant in a commercial chiller
The eChiller is a novel solution that uses water as a refrigerant. Green Thermal Energy’s Garry Broadbent explains how it works and why it’s suitable for applications requiring chilled water flow temperatures of 16°C and above
Showcasing net-zero: Event Complex Aberdeen’s energy strategy
The Event Complex Aberdeen has a sophisticated energy strategy combining anaerobic digestion, hydrogen fuel cells and CHP plant. Andy Pearson talks to HDR | Hurley Palmer Flatt about the system design, which also produces hydrogen for a fleet of local buses
Fit for a king: Using data to improve performance at 2 Kingdom Street
A forensic study of the data from 2 Kingdom Street in London enabled Cavendish Engineers to pinpoint energy efficiency opportunities, which led to big savings in gas and electricity. Andy Pearson reports on an exemplary project that scooped a 2019 CIBSE Award
Sponsored roundtable: The benefits of REFCOM Elite
Poorly installed cooling systems can have disastrous consequences for energy efficiency and CO2 emissions. Amanda Birch hears how REFCOM Elite can eliminate the risks, in our latest expert roundtable
Cost model: data centre cooling
In this month’s cost model, Aecom’s engineering services cost-management team explores the options for cooling large data centres – from traditional air cooling with chiller and Crac units, to free cooling and water-based systems