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

Embodied carbon: Amazon’s mission to measure more

As the pressure to reduce embodied carbon intensifies, Molly Tooher-Rudd finds out why Amazon was happy to share in-house knowledge and contribute to CIBSE’s TM65.3, the methodology for uncovering hidden emissions in logistics buildings

A new chapter on solar heat at the British Library

The British Library’s ambitious decarbonisation strategy starts with energy reduction at its Grade I-listed archive in King’s Cross. Alex Smith looks at a solar heating and power project that generated more than 200MWh of renewable energy in 12 months