Designing efficient hybrid heat pump systems

Considering the optimal operational design conditions of both technologies is essential to maximise the efficiency of a hybrid heat pump system. Baxi Heating’s Ryan Kirkwood offers advice on how to avoid conflict

Rethinking the fan coil

The Artus hybrid air conditioning unit is only 200mm deep, yet it achieves energy savings of 83% over conventional fan coil units thanks to patented designs for the heat exchanger and fan assembly. Andy Pearson speaks to inventor Roger Olsen about his quest to cool buildings more efficiently

Young Engineers Awards finalists revealed

Eight young engineers – vying to become the CIBSE ASHRAE Graduate of the Year 2021 – will take to the virtual stage at the Young Engineers Awards this month, when the Apprentice of the Year will also be crowned

Our time is now: interview with CIBSE CEO Ruth Carter

CIBSE’s new chief executive, Ruth Carter, says the Institution is on the cusp of an exciting new era, in which building services engineers will be integral to the creation of a new generation of net-zero buildings that will put occupants first

Why space volume matters in Covid-19 transmission

It’s not just ventilation that removes viable virus from indoor air. To understand the risk of transmission of Covid-19, the University of Nottingham’s Benjamin Jones and Chris Iddon say other mechanisms that are dependent on the volume of a space have to be considered

The business case for wellbeing

Winner of the 2021 CIBSE Building Performance Awards Product or Innovation of the Year – Wellbeing is a timely productivity mapping toolkit from Cundall that helps make the business case for interventions in workplaces to improve wellbeing. Phil Lattimore reports

Open to change: interview with CIBSE President Kevin Kelly

To rise to the challenge of delivering safe and healthy net zero carbon buildings, the building services engineering industry must embrace diversity and become more inclusive, says new CIBSE President Kevin Kelly. He talks to Alex Smith about plans for his year in office and how he’s already taken action to get more women on the CIBSE Board

Survey: Clients crucial to driving change in a climate emergency

Many clients are driving change towards net-zero buildings, but finance and resource constraints are holding back others, according to a survey of 49 firms signed up to Building Services Engineers Declare. Hoare Lea’s Ashley Bateson and Andy Cane report the main findings