Oversizing matters: Effect of boiler oversizing on efficiency
With energy prices soaring and carbon reduction a priority, ensuring heating systems are specified to operate as efficiently…
April 2022 
Greening the City: installing heat pumps at Citigen’s central London energy centre
The City of London is adding heat pumps and boreholes to its Farringdon energy centre and hopes to…
The dash from gas: converting schools from gas to heat pumps
With the need to switch from fossil fuels to renewables becoming ever more pressing, one heat pump retrofit…
Tightening up: TM23 Testing building for air leakage
The latest update to the Building Regulations includes reference to a new CIBSE TM23 guide on airtightness testing. Julie…
Optimising ventilation in the post-Covid classroom
To optimise classroom indoor air quality, schools need to take a holistic approach to natural ventilation and air cleaning…
Radical departure? Retrofitting for heat pumps
With the pressure on homeowners to replace domestic gas boilers with heat pumps, it is essential that engineers…
Decarbonomics: Delivering on the net zero promise
Organisations are setting ambitious 2030 targets in response to the climate emergency, but how do they decarbonise property…
How Britain’s film industry was saved from the London fog
In the early days of cinema, the UK’s biggest studios were in central London, but pervasive fog –…
Dual purpose: evaporative cooling
Switching between modes in dual evaporative coolers can result in large operational savings, according to a recent B&SERT…
Digging for Britain: Swaffham Prior’s heat network
Escalating energy prices and the urgent need to decarbonise means communities are looking to move away from fossil fuel as…
Turning to CO2 refrigerant in large-scale retrofits
Using CO2 as a refrigerant in heat pumps is ideal for retrofits requiring higher-temperature heat. Daniel Clark, of…
Next generation: Arup’s net zero office at 80 Charlotte Street
Arup’s all-electric office at 80 Charlotte Street London is developer Derwent London’s first net zero office scheme. Andy…
Made to measure: using digital twins to calculate heating demand in a Sussex village
A digital twin of an East Sussex village is being created by Buro Happold to assess how demand…
Work-light balance: key changes to workplace lighting guidance
The most influential guide to lighting the workplace has had its first update for a decade. Helen Loomes…
Panel gains: supplementing heat pumps with solar panels
Incorporating solar energy arrays in district energy networks powered by heat pumps has the potential to reduce carbon…