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No1 green

Site Survey. Our energy management specialists use the latest technology to analyse your on-site power conditions, and then create a bespoke energy saving strategy to match your site's requirements

No2 greenInstallation - We work with highly qualified and experienced installation engineers to ensure that you are completely satisfied with your powersaveâ„¢voltage optimisation equipment

No3 green

Save Energy and Money - powersaveâ„¢ true, dynamic voltage optimisation technology allows equipment to operate at optimum efficiency, lowering energy bills, extending equipment life and reducing carbon footprint.

Having provided an in-depth report on your existing power supply and consumption, we can measure the difference after installation to show you exactly how much energy and money you're saving

  Request a Survey today


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The Claude Lyons Group
2 Tower House, Hoddesdon, Herts, EN11 8UR, England
Spares are obtainable from who are stockists of surplus Claude Lyons units and spares .

E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Company registered in England No 222791
Registered office as above

VAT Reg No. GB 213 5042 15


UK Established Since 1918

The Claude Lyons Group was founded in the UK in 1918 and is still in private ownership. Since our early days we have been innovators in areas related to voltage and power control and more recently in energy saving and harmonic mitigation. Operating as a global exporter with many years experience we can justifiably call ourselves a world leader in the field of voltage stabilisers, power conditioning and uninterruptible power supplies (UPS)