Carbon Trust Green Business Directory

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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 endeavored 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.

63 suppliers found

Key Electrical

Key Electrical are full service electrical contractors, working across the UK in commercial and industrial environments. Our engineers have a wealth of expertise to ensure your work is carried out in a professional and timely manner, making sure that we take up as little of your time as possible. Read case study

PHONE: 0800 158 8520

Environmental Energies Heating Ltd

Environmental Energies (Heating) Ltd are nationwide suppliers and installers of Biomass, ground and air source heat pumps for both industrial and domestic users, specialising in the agricultural sector. We provide free initial consultations and site surveys. Read case study

PHONE: 01858 525407


Design, installation & support of high technology solutions for building energy management and critical plant monitoring applications. Read case study

PHONE: +44(0)161 476 1794

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. Read case study

PHONE: +44(0)1623 412582

Atlas Copco Compressors Ltd

Atlas Copco Compressors is the GB sales and service operation of the Atlas Copco Group providing oil-free and oil-injected stationary air compressors, air blowers, gas and process compressors, turbo expanders, nitrogen generators, air treatment equipment (such as compressed air dryers, coolers, and filters) air management systems, air system audits, pipework, energy recovery products, and custom designed engineered packages. Read case study

PHONE: 0800 181085

Intelligent Facility Solutions

Intelligent Facility Solutions are focussed on eliminating waste and unnecessary energy consumption in ‘away from home’ washroom environments through the provision of low energy hand dryers. They highlight the potential energy/cost savings that facilities can achieve by conducting site surveys and only recommend investment where a clear return on investment can be demonstrated. Read case study

PHONE: +44(0)114 2866394

Carbon Trust Accredited Supplier

Who are Carbon Trust Accredited Suppliers?

The Carbon Trust Accredited Supplier scheme is the market-leading scheme for high quality energy efficient equipment and renewable technology suppliers. It provides independent validation and recognition of a supplier's skills and services - a much needed and trusted quality standard in a crowded and fast growing market place. Accredited Suppliers must meet or exceed criteria set by the Carbon Trust designed to examine their capability to deliver thoughtful, well-designed energy efficient and renewable energy systems. Only Carbon Trust Accredited Suppliers are included in the Green Business Directory.

Looking for a supplier for your project?

Read more about Carbon Trust Implementation and finance support for energy efficiency and renewable energy technologies.

Suppliers and contractors

Find out more about how you can apply for the Accredited Supplier scheme and listing in the Green Business Directory.


Carbon Trust Accredited Supplier Map

View locations of Accredited Suppliers in the map below: