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Green Business Directory

Looking to install energy efficiency or renewable energy technology? Find your ideal supplier and installer in our Green Business Directory of Carbon Trust accredited businesses.

Carbon Trust Accredited Suppliers have been independently assessed by the Carbon Trust and met or exceeded criteria designed to examine their capability and proven track record of delivering thoughtful, well-designed energy efficient and renewable energy systems. As part of the robust assessment process, the Carbon Trust takes into consideration a number of case studies, and feedback from client references regarding the suppliers’ performance.  We welcome customer feedback relating to any of our Accredited Suppliers, and encourage you to contact us via


Find suppliers for your project  |  Technologies & financing - information  |  Supplier Insights articles  |  Apply for the Accredited Supplier Scheme

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    Dextra Group Plc

    A continual investment from the company's own resources in state of the art machinery comparable to any found in the UK or Europe along with an on-going investment in R&D enables the company to respond quickly to the ever changing requirements of the UK and European market place.

    PHONE: 01747 858120
    WEBSITE: Company webpage

    Empower Energy Limited

    For the last 14 years we have specialised in the design, installation and commissioning of Renewable Energy systems, LED lighting system design and installation, Electrical Inspection & Testing, Battery Storage and EV charge points, De-stratification systems and all Electrical contracting from domestic to Industrial including repair and maintenance.

    PHONE: 01202821000
    WEBSITE: Company website

    Perfect Sense Energy

    We help businesses nationwide to significantly cut energy costs by buying better, using less and generating your own renewable energy. We help businesses to secure better energy supply contracts and install commercial LED Lighting and/or Solar PV systems, along with other energy efficient products which suit particular site requirements.

    PHONE: 01942 367599
    WEBSITE: Company website

    Lutterworth Ecolighting

    Our clients come to us because we’re approachable, flexible, have a reputation for excellent customer service and because we are recognised experts in providing energy efficient Luminaires. Experienced Lighting designers, project managers, qualified electricians and office-based staff ensure that customers benefit from a true integrated full turnkey service.

    PHONE: 01455 557812
    WEBSITE: Company Website

    Oceanair (UK) Limited

    Oceanair are a specialist heat pump distributor, they work with consultants and contractors to develop energy efficient solutions that deliver return on investment. They supply air to water, air to air, VRF and Gas engine heat pumps. They provide commissioning; technical support and specialist servicing utilising manufacturers service software.

    PHONE: +44(0)1623 412582
    WEBSITE: Company Website

    Harry Taylor of Ashton Ltd

    Harry Taylor provide heating and evaporative cooling solutions for industrial and commercial premises using energy efficient products, where possible, from the Energy Technology List. They offer a complete design solution from initial enquiry, through installation to after sales care. Our comprehensive service arrangements ensure our systems continue to operate at maximum efficiency.

    PHONE: +44(0)20 8464 0915
    WEBSITE: Company Website

    E-CO (Generation E Ltd)

    E-CO provides technology to improve indoor air quality and deliver HVAC maintenance & energy saving solutions. We design tailored systems to meet our customers’ corporate goals. Services include, initial consultation, site surveys, tailored proposal, installation & commissioning by qualified engineers, post installation reviews and on-going support for our guaranteed products.

    PHONE: +44(0)20-3734-2089
    WEBSITE: Company Website

    Spirit Solar Ltd

    MCS accredited installers of renewable energy systems, including solar PV, solar thermal and heat pumps. They also install battery technology (with solar PV), LED and low energy lighting and controls, and electric vehicle charging points.

    PHONE: +44(0)118 951 4490
    WEBSITE: Company Website

    Vita Energia Solutions

    Relighting the workplace with VITA ENERGIA Major costs reductions: fast payback, lower energy. Complete turnkey supplier with high spec leading edge products, installation teams, warranties, financing and maintenance. Total reliability: Quality, professionalism, industry experience. Average 16 month payback Up to 92% savings

    PHONE: 0845 6800 886
    WEBSITE: Company website

    Total Power Installations Ltd

    Turn your roof into an asset with our help. Total Power is a family run company, we supply, install and commission Solar PV systems using the best quality accredited equipment installed to the highest possible standards. Don’t forget to ask about our price promise. With over 6 years’ experience in the industry you are in safe hands. We pride ourselves on high levels of customer care and maintenance.

    PHONE: 01228 674935
    WEBSITE: Company website

    Carbon Trust Accredited Suppliers have met or exceeded criteria set by the Carbon Trust designed to examine their capability to deliver thoughtful, well-designed energy efficient and renewable energy systems. As part of the assessment process, the Carbon Trust takes into consideration feedback from client references regarding the suppliers’ performance. Whilst the Carbon Trust has endeavoured to confirm that all suppliers included in the Green Business Directory are of a proven high quality, users of the Green Business Directory enter into contracts directly with Accredited Suppliers to the exclusion of the Carbon Trust, and at their own risk. The Carbon Trust makes no representations regarding, nor does it accept any liability whatsoever in respect of, the performance of any services or the supply of any goods by Accredited Suppliers. Case studies have been written and supplied by Accredited Suppliers. Details should be independently reviewed by prospective customers

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