Taking the waters: recovering heat from the Roman Baths

Heat from Bath’s hot springs is being used to warm surrounding buildings including the new Clore Learning Centre. Andy Pearson finds out how Buro Happold extracting heat from the mineral-rich waters of the Roman Baths

Targeting net zero ventilation for schools

The Monodraught HVR Zero ventilation unit won a product of the year award at the CIBSE Building Performance Awards because it targets both embodied and operational energy use. Schools are one sector benefiting from the costs savings that the heat recovery unit brings

Designing net zero for pupil wellbeing

Cundall has created new premises for Beormund Primary School that not only meet net zero aspirations, but also cater for the social, emotional and mental health needs of the school’s pupils. Andy Pearson reports

Accelerating change: digital tools and innovation

The use of emerging technology will speed the delivery of net zero buildings, according to CIBSE President-elect Adrian Catchpole, who was one of the speakers in a CIBSE seminar at the ASHRAE Winter Conference in Atlanta. Tim Dwyer reports

Efficient lifting: improving chiller performance

Reducing the ‘lift’ in a refrigeration cycle can cut a chiller’s operational energy use significantly, according to Trent Hunt, in a presentation at last month’s ASHRAE Conference in Atlanta. Tim Dwyer summarises the paper

Switching to propane: reducing charge in a propane heat pump

Propane’s low GWP is making it an increasingly attractive alternative to refrigerants restricted by the F-gas Regulations. Tim Dwyer tracks the growth of propane and looks at the L150 initiative in Germany that is aiming to reduce the charge in a propane refrigerant circuit