Our Members

Eturnity is a Swiss company founded in 2012 that has developed software that makes it easier and faster to sell heat pumps and other renewable energy systems. We cover the entire sales process, from consultation, sales and planning. The result is a very detailed and attractive end-customer quotations generated in a record time. Already present in 15 European countries, we make sure to adapt our software to local standards and requirements. We’ve also been very successful to facilitate the connection between distributors/manufacturers and their installer partners through a digital environment, allowing for instance: automatic ordering, catalogue and price synchronization and technical support

Fornax Energy offers a comprehensive subscription for homeowners to get a premium clean heating system without up-front cost. Expert design, planning, installation and servicing all included as standard. We partner with top-tier local independent heating engineers across the country to deliver our heat pump subscriptions.

Freedom Heat Pumps was founded in 2010 to fulfil a need in the UK market for sound, honest technical support to the trade. We pride ourselves on supplying the right kit for the job, first time. ​We specialise in both air and ground source heat pump equipment and accessories from leading manufacturers, including Midea, Samsung and Hitachi. Here at Freedom HP, we offer a comprehensive range of services to support installers. From heat loss calculations to full install component packs and industry-leading warranties, we've got it all.

G-Core designs, installs, commissions, and maintains Ground, Water, and Air Source Heat Pump systems from 3kW capacity to 15MW capacity; to provide heating, cooling, and domestic hot water for commercial and domestic developments. We provide design consultancy from RIBA stages 2-4, installations from stages 5-6, and aftercare at stage 7. Established in 2014, G-Core's industry experience stretches back to 1997, working within the construction supply chain to provide state of the art technology and solutions to clients. This is achieved whilst overcoming difficult buildability, interface, and programme issues.

We are a design consultancy comprised of five professional mechanical engineers with over 75 years of experience in energy engineering. We are Certified Ground Loop Designers who are responsible for the designs of over 400MW of installed and operational heat pumps over the last 15 years including Europe's largest heat pump system. Whilst we have vast expertise with utility scale projects, we have also worked extensively on domestic and small-scale systems, offering assistance from concept generation, through detailed design, to system monitoring.

Multi award winning company specialising In heat pumps for homes across the North West and Wales.

Heat Pump Energi is a sustainable heating and cooling solutions company with over 20 years’ experience focused on the use of renewable energy. We offer consultation, design, installation and commissioning services to all our clients across the UK. Our dedicated team of engineers are happy to offer their expert advice on Air Source, Ground Source and HVAC systems. We are very much focused on helping the UK government goal to reach net zero carbon emissions by 2050 for a more sustainable future.

Pinnacle Power design, build, operate, maintain and finance DH networks for communities, working to reduce costs, energy consumption and carbon emissions, and build bespoke energy networks for new and existing developments.

HiRef designs and manufactures a diverse range of high-quality GSHP and ASHP systems, but also excels in supplying heat pump and chiller solutions, tailored to customer's specific needs. HiRef’s founder, Mauro Mantovan, instilled in the company that HiRef is a group capable of anticipating change instead of waiting for change to happen: only in this way, by managing to think outside the box, can we continue to grow. Mauro’s philosophy is now ingrained in the company, which has led to HiRef being pioneers of new technology, constantly focused on the next step forward in the development of heat pumps. With HiRef as your partner a sustainable future becomes more achievable.

Hydracrat is a specialist borehole drilling contractor, proudly serving Scotland for over 60 years. Hydracrat provides experienced borehole drilling and installations for both closed-loop and open-loop Ground Source Heat Pump systems, including the supply and installation of downhole equipment and materials, pressure-testing and grouting.

ICAX designs, installs and operates heating and cooling systems for large scale commercial projects, district heating networks , schools, hospitals and communal heating estates.

IMS Heat Pumps design, supply, install and maintain air source, ground source and water source heat pumps in Scotland, The North and The Midlands. We are MCS Accredited and TrustMark Approved. Established 1997, with offices in Perth and Sheffield. IMS has been installing heat pumps for over 20 years. Working with homeowners, architects, and main contractors on custom-build, self-build and renovation projects. We pride ourselves on our excellent designs, installed by our skilled and knowledgeable Engineers; ensuring that your bespoke system provides all the heating and hot water you need. With unparalleled in-house experience, our installations simply work.

The UK's most experienced consultants and installers of ground source heat pump systems. isoenergy design, supply and install ground source heat pumps and other renewable energy systems that take energy from natural sources and convert it for use in your home or business.

LHW Partnership LLP is a traditional multidisciplinary Engineering Consultancy focused on renewable energy and energy efficiency for both UK and overseas markets. LHW Engineers have been involved in the energy industry since the 1980s and with renewable energy since 1991. LHW hold many years project engineering experience in renewable and energy efficiency (heat and power) projects from feasibility through to operation. A particular facet is a joined-up thinking approach to renewable/energy efficiency rather than a singular approach. The Founder is an IET Presidents list recognised Expert Witness.

Leisure Energy is an award-winning renewable technology company, energy consultancy and principal contractor. We specialise in identifying and delivering energy solutions through to full decarbonisation and electrification for the public and private leisure sectors. Since 2014, we have been supporting and providing expertise to help make leisure, sport facilities and swimming pools more economically and environmentally sustainable – we were doing this when it was less cool!

Low Carbon Alliance (LCA) are a UK based Property and Engineering business focused on the application of low and zero carbon strategies for land and property. Serving the energy and property sector in both an advisory and executive capacity, LCA bring vast knowledge and practical experience in renewable energy consultancy services including Project Development, Project Planning, Project Finance, Project Management and Asset Optimisation. The LCA team are also involved in the development of a significant number of grid connected distributed generation projects and advise on district energy solutions.

Domestic property energy consumption equates to 14% of UK carbon emissions. Low Carbon Homes exists to reduce this impact and highlight the wider social and economic benefits of retrofitting existing housing. We are a nationwide market-led network for professionals and suppliers to learn, share and showcase best-practice. We aim to unpack the complexities of retrofit-at-scale, reduce confusion and promote action. Unlike centrally-funded programmes, the agenda for Low Carbon Homes is set collaboratively by regional stakeholders - connecting all involved. Our independent approach results in community-led retrofit action plans that support zero-carbon ambitions, reduce fuel poverty and sti

Lùths Services are an independent building services engineering consultancy who specialise in low energy and renewable design and implementation. We work closely with architects, builders and clients to give clear, impartial and actionable advice at every stage of your project. Based in Glasgow we work over the UK and have over 17 years experience in renewable and low carbon project projects.

MCS (Microgeneration Certification Scheme) is a standards organisation that creates and maintains standards that allows for the certification of low-carbon products and installations used to produce electricity and heat from renewable sources. MCS is a mark of quality. Membership of MCS demonstrates adherence to these recognised industry standards; highlighting quality, competency and compliance.

Midsummer is one of the UK’s leading wholesale distributors of renewable energy systems; heat pumps, solar PV, battery storage, EV charging, off-grid systems and renewable products. Our knowledgeable team has the expertise to help with the design and supply of any system. Heatpunk, Midsummer’s free bespoke software for heat installers, provides cutting-edge cloud-based solutions for designing and specifying all elements of a heat pump install. For solar installers, Easy PV has been developed to help master the complex process of project design, optimisation of solar energy set-up and one-step full kit purchase.