In control – thermal comfort and productivity

Architect AHMM has used its office as a testbed for thermal strategies in a building with no cooling. AHMM’s Craig Robertson and Ines Idzikowski Perez, of UCL, report on the balance between cost, comfort and productivity

Guide B essentials – air conditioning and refrigeration

CIBSE’s seminal guide to HVAC systems has had a major revision. Guide B covers best practice for heating, ventilating, air conditioning and refrigeration, and noise, and features a new online chapter that will be continually updated. Guy Hundy highlights the main changes in the air conditioning and refrigeration section

Packard Foundation HQ: net zero energy CIBSE award winner

The team behind the Packard Foundation HQ, which won the international project of the year accolade at CIBSE’s awards, set out to encourage others in the US by creating a net zero energy building. Andy Pearson explains how they did it

Hoare Lea and Herzog & De Meuron’s Blavatnik School of Government

Herzog & De Meuron’s sleek, minimal design for University of Oxford’s school of government meant Hoare Lea’s mixed-mode ventilation system had to be discreet, as well as technically savvy. Executive mechanical engineer Richard Brimfield explains how the consultant worked within the architect’s design parameters to ensure the building performed well

Savings bank – cooling at the Bank of England

A new cooling system has reduced the Bank of England’s carbon emissions by 717 tonnes of carbon dioxide equivalent per year, saving it £150,000 on its annual energy bill. Liza Young finds out how it was achieved