The Encore cistern diverts air con condensate from a waste pipe to the toilet flush – a brilliantly simple idea that’s won a CIBSE energy-saving product award. Amanda Birch reports
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CIBSE Award winner: Armstrong Tango pumping solution
Armstrong left its mark on the judges with its commitment to the reduction of carbon emissions over the life-cycle of its Tango Parallel pumping solution, the independently verified performance of which also impressed
Book review: Housing Fit for Purpose by Fionn Stevenson
Housing would be vastly improved if more was done to feed back lessons learned from building performance, says Fionn Stevenson, in a new book based on years of her own pioneering research. Julie Godefroy finds lots of practical advice for raising standards
Servicing the circular economy
How can engineers accelerate the transition to a circular economy? Arup’s Harry Popplewell and Richard Boyd, UCL’s Ben Stubbs and CIBSE FM Group’s David Stevens, set the scene
Simplifying building services installation
Using a single pipework installation method across an entire project has a number of benefits. Scott James, director at Viega, explains how press connection systems can provide the solution and the benefits of a single source of supply for copper, steel, stainless steel and multi-layer pipework
Best practice for lower-GWP refrigerants: installation, commissioning and servicing
Daikin’s Martin Passingham explains how new refrigerants meeting the F-Gas Regulation can be safely installed and maintained
The impact on system design
As older systems come to the end of their life, they are progressively being replaced with alternatives that use lower GWP refrigerants. Martin Passingham, product manager for DX at Daikin UK, looks at what this means for the design of existing systems
Materials for potable water
Careful specification of the materials for drinking water applications will ensure the quality of the supply within a building is maintained. Here, Scott James, Director at Viega discusses the factors that engineers and installers need to consider
Recovery, recycling and reuse
Significantly reducing the demand for imported higher-GWP refrigerants before the next quota reduction in 2021 will be key to avoiding many supply and price issues experienced since late 2017, says Daikin’s Martin Passingham
Taking stock
As CIBSE Journal enters its 11th year, an unprecedented level of activity in legislation and policy is affecting building services engineers in the UK and worldwide. Hywel Davies looks at what is happening