Chiller moves: predicting energy use

Traditional metrics are not always enough to accurately predict chiller energy use, say Cundall’s Peter Owens and Jakub Borowiec, who outline a practical modelling alternative that accounts for part-load scenarios and outdoor conditions

Indoor air quality and designing for dementia

As dementia rates rise and care demands grow, new research reveals how indoor air quality may be influencing aggressive behaviours in care settings. Newcastle University’s Professor Neveen Hamza shares insights from the study

Cost model: ASHP commercial retrofit

The cost and considerations of replacing existing heat and cooling equipment with an air source heat pump using natural refrigerants, by Aecom’s Gaby Boyles

How NABERS UK helped deliver a winning office design

CIBSE Building Performance Award winner Globe Point, in Leeds, is using the NABERS UK standard to ensure that its carbon-busting office design is realised post-occupancy. Andy Pearson speaks to Hoare Lea’s Philip Mannis about the design and assessment tool

The hidden cost of poor pipework insulation

Pipework thermal insulation is often overlooked, but can have a devastating impact on system performance if not specified, installed or maintained correctly. Kaizen Energy Consultancy’s Lawrence Leask and TICA’s Chris Ridge say following insulation best practice is a low-hanging fruit when it comes to HVAC efficiency