Sainsbury's announce roll-out of Aerofoil Technology

Sainsbury's, Aerofoil Energy Ltd and Williams collaborate to roll out ground-breaking Aerofoil technology across 1,400 supermarkets in the UK
Aerofoils will slash energy consumption by 44m kWh every year, equivalent to 320million kettles boiled
New system helps to keep fridges cold whilst warming up the aisles for customers by up to 4 Degrees C. 


Aerofoil Energy Ltd and Williams Advanced Engineering, the technology and engineering business of the Williams Group, today announces that an aerofoil that can reduce the energy consumed by refrigerators by up to 30% will be rolled out across every Sainsbury’s supermarket.

Energy consumption makes up a significant percentage of a supermarket’s operational costs, with energy-hungry refrigerators that keep the produce cool the largest consumer of power. Sainsbury’s shoppers will no longer feel the chill of cold air spilling out to supermarket aisles.

The device, which has been inspired by the aerodynamically efficient rear wing on a Williams Formula One car, has shown significant reductions in energy consumption (up to 30% in lab testing), and has been trialled in 50 Sainsbury’s stores.

Sainsbury’s, the UK’s second largest supermarket chain, will install Aerofoils as part of a significant retrofit programme, whilst all new fridges will be fitted with the technology as standard moving forward.

Williams Advanced Engineering worked closely with Aerofoil Energy Ltd. to develop the device using its expertise in aero and thermodynamics, part of its growth strategy to commercialise sustainable technology.

Craig Wilson, Managing Director at Williams Advanced Engineering,

“Working with Sainsbury’s shows how Formula One can be a vehicle for change and is another example of how we engineer advantage for our customers. As air quality and sustainability concerns revolutionize traditional industries, there is huge growth potential for our business in deploying energy efficient technology in a range of sectors, not just automotive. Formula One is the ultimate R&D platform which can be applied beyond the racetrack to solve some of society’s most demanding challenges.”

Sainsbury’s Head of Sustainability, Engineering, Energy and Environment, Paul Crewe,  

“By keeping the cold air in our fridges using this technology, we’ll see an energy reduction of up to 15% which, when multiplied across all of our stores is a significant amount of energy saved.  By looking outside of our industry, and borrowing technology from an industry that is renowned for its speed and efficiency, we are accelerating how we are reducing the impact on the environment whilst making shopping in Sainsbury’s stores a more comfortable experience."

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