NerG team photo




We have been installing and servicing heating and power systems for commercial, industrial and agricultural sites since 2013. We help businesses identify the most economical ways to save on their energy costs, reduce their carbon footprint and where possible, qualify for the government funding initiatives. We support our customers from feasibility and system design through to installation, long-term maintenance and biomass fuel supply.


When we ask clients what makes us different, many say it’s our commitment to them and the quality of our engineers. We are inquisitive and have always been able to solve problems we’ve been faced with. If we don’t, we won’t bill you! Sometimes we won’t know the answer immediately, but we’ll tell you this and make sure we go and find out.

Behind our engineers sits a management team who have all worked for multinational companies. The team bring this experience with them, which is focused around customer satisfaction.


We’re able to deliver high quality installations and first class ongoing maintenance for our clients. Our dedicated team of skilled engineers are passionate about their work and pride themselves in providing the best service possible. We truly believe our reputation is only as good as the last job. Whether it’s a large scale commercial heating installation or an annual service of a small boiler, our team treat both with their full care & attention.


NerG directors Stuart Robertson, Chris Allen and Rob Starkey have worked together for 20 years and in 2000 formed Chafer Machinery Ltd. Chafer Machinery, established over 100 years ago, supplies state of the art crop spraying equipment for farmers in the UK and overseas. Chafer Machinery also supplies runway deicing equipment to some of the UK’s largest airports, through our aviation supply department. In 2002 Chafer Machinery Ltd acquired Horstine, a world leader in the design and manufacture of highly accurate equipment for the application of granular pesticides, fertilisers and seeds.

Chafer Machinery

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