John O’Conner – “…we wholeheartedly recommend their services to any organisation seeking top-notch energy consultancy.”


Following a recommendation from North Herts District Council, CLS Energy were asked to deliver John O’Conner (Grounds Maintenance) Ltd to ESOS Phase 3 compliance during 2022.

The words below, are what John O’Conner have been kind enough to say about their experience of working with us.

“We are delighted to express our sincere gratitude to Alan Asbury and the entire team at CLS Energy Consultancy Ltd for their exceptional services in delivering our ESOS Phase 3 Report. From start to finish, Alan demonstrated a profound understanding of our energy needs and a commitment to delivering results that exceeded our expectations.

Alan’s expertise and professionalism were evident throughout the entire process. He conducted a comprehensive analysis, leaving no stone unturned in ensuring accuracy and completeness. We are over the moon with the thoroughness and attention to detail exhibited in our ESOS Phase 3 Report.

Not only did Alan provide us with a meticulous report, but he also offered valuable insights and recommendations for optimizing our energy efficiency. His dedication to helping us make informed decisions regarding energy management truly set him apart.

Working with Alan Asbury and CLS Energy Consultancy Ltd has been a pleasure, and we wholeheartedly recommend their services to any organisation seeking top-notch energy consultancy. We look forward to continuing our partnership with Alan and the CLS Energy team for future projects”.

M’OC¬†Managing Director 22nd January 2024.

Testimonials