Judicial renew – replacing heating and cooling at the Old Bailey

Fifty-year-old boilers at the Old Bailey are being replaced under the watchful eye of Lady Justice, in a major 10-year refurbishment. Andy Pearson speaks to the project team about the challenge of replacing heating and cooling without interrupting proceedings in 18 law courts

Rising from the ashes – the revamped renewable heat incentive

The Northern Irish version contributed to bringing down a government and the entire scheme has been branded a waste of taxpayers’ money, but it looks as if the Renewable Heat Incentive is here to stay… and offering guaranteed returns for investors, writes Ewen Rose

Why gas CHP still measures up

Despite the rapid decarbonisation of the UK electricity grid and lower wholesale prices, properly sized combined heat and power with thermal storage still offers an economic, lower-carbon energy option, explains director of Carbon Alternatives Martin Crane

The future of heat

The government has issued a call for evidence on a framework for heat in buildings. Hywel Davies looks at what it offers

Mind the NOx – at what cost?

High-performance heating requires a fine balance between energy efficiency and environmental impact, says Remeha’s Mike Hefford

Biomass boilerhouse blues – and how to avoid them

Integrating biomass boilers with fossil-fuelled ones creates issues for systems design. In his second article, David Palmer outlines the mathematical modelling needed to inform design decisions