HEI was created to bring fresh ideas to the table of market companies & clients who want the very best in Electrical & Mechanical Engineering.

HELEC has over 17 years of experience in designing & supplying space heating and hot water systems, utilizing a variety of technologies from traditional fossil fuel equipment through to advanced low carbon renewables.

Hi-line Industries provides innovative design, manufacture, supply and installation of energy efficient compressed air purification equipment. It supplies a broad range of energy efficient compressed air equipment which includes air dryers, nitrogen and oxygen generators, compressed air filtration equipment, condensate management/drains and service kits.

HiiLIFE specializes in providing bespoke luxury technology & entertainment packages tailored for the construction, leisure, and residential sectors. The company serves as a comprehensive one-stop shop, offering a wide range of products and services, including HVAC systems, AV systems, home entertainment, lighting, premium appliances, white goods, climate solutions, and smart home technology.

HVAC Technical Solutions Ltd are a well established, Yorkshire based HVAC contractor serving the UK. They specialize in heating, air conditioning, ventilation and BMS systems. Their primary services include design, installation, maintenance and repair of mechanical and electrical building services. They also design, supply, install and maintain a wide range of Air Conditioning equipment to suit client specifications.

From the outset in 1998, JTR Refrigeration has been passionate about both interpretation of the client's needs and delivering solutions that work. Whilst most jobs involve insulated panels and temperature control systems thereafter every job becomes a bespoke solution for an individual process.

Lee Jackson Air Conditioning Ltd. has been providing high quality, commercial air conditioning solutions for over 15 years. Based in Nottingham, they work with a range of businesses across the UK from boutique hotels and shops to expansive, multi-floor commercial office buildings.

Established in 2014, Leonari is a Mechanical & Electrical contractor working in London and the South East. They specialize in the commercial, residential, retail, data centers and educational sectors where our works include CAT-A, CAT-B installations as well as capital plant replacements.

Mace is a global expert in shaping the built environment. From development and consultancy to construction and operations, it connect expertise across the entire property lifecycle to help their clients, people, communities, and society achieve more than they believe is possible.

McLaughlan Transport Ltd is a family/employee owned haulage and distribution business based in North Muirton Industrial Estate in Perth, Scotland. The main business operation is collecting and consolidating local produce and distributing to mainland markets and rdc’s across the UK/Europe. Full loads to all parts of UK/Europe are also available.

NG Bailey is the UK’s independent engineering, rail, IT, and facilities services business with a deserved reputation for excellence. They offer integration from the outset of a project, from planning and design through the supply chain, to offsite manufacture, installation, and maintenance.

Oakes Energy Services Ltd (Oakes Energy) designs and installs both commercial and domestic renewable energy systems. In turn, dramatically reducing the cost of energy consumption and enabling the business or home to save thousands of pounds on their energy bills. Oakes Energy Services Limited was established in 2007 with the aim of offering customers an alternative, more sustainable approach to their energy needs.

Oceanair (Oceanair UK Ltd.) is an award-winning distributor of air conditioning and heating products. They use their wealth of industry experience to help consultants, installers and end-users achieve their objectives by developing cost effective, energy efficient solutions they trust us to deliver. They offer a complete design service for both Air to Water (A2W) and Air to Air heat pumps.

Pacifica Home Services Ltd. provide a wide range of HVAC and home improvement services in the region of Houghton Le Spring, in Sunderland, in the United Kingdom.

Pentair is a globally renowned provider of energy efficient water treatment systems, filtration products, pumps and water systems for residential, industrial, agriculture and commercial applications. They also offer a wide range of filters, valves, venting systems, heating and cooling solutions, industrial filtration and fire suppression systems.

Phoenix ACR Limited specializes in all aspects of Air Conditioning and Refrigeration for both the commercial and residential sectors throughout the South East including London. They work closely with their clients to ensure their needs are always met and that satisfaction is the end result. Their technicians specialize in the installation, maintenance, and repair of high-quality, energy-efficient air conditioning and refrigeration systems.

For the past two years, engineers have been perfecting a paint that passively cools a structure so that it is less reliant on energy dependent cooling systems. Pirta paint reflects solar heat away from a surface and allows that surface to lose more heat than it absorbs from the sun, and it does so more effectively than any other product on the market.

Rensair is a specialist in air purification, protecting, and enhancing lives through clean air. Its patented technology combines H13 HEPA filtration with germicidal UVC light, was developed to meet the strict standards of Scandinavian hospitals, and is independently validated by scientific research laboratories. Rensair air purification units meet all the standards recommended by the US EPA and UK SAGE committee in their respective reports.

Ripple Energy makes clean energy ownership accessible and affordable for everyone, everywhere. Ripple will enable energy consumers around the world to part own large scale wind farms and solar parks and have the clean, low cost electricity they produce supplied to their homes. Their utility partners supply the electricity from the wind farms and solar parks to their owners’ homes via the grid.

Savills is a commercial, residential & rural real estate services, and technology solutions provider, based out of London, United Kingdom. Services provided include, Fund Management, Corporate Real Estate, Property Leasing, Commercial Research, Residential Research, International Property, and Commercial Property Research.

At ScottishPower, they’re working on a better, greener future. They only generate renewable electricity and they’re proud that all their domestic green tariffs are backed by 100% green electricity, made by their windfarms right here in the UK.

SFE Services Air Conditioning & Refrigeration Ltd provide air conditioning, refrigeration & ventilation equipment installation, breakdown repair and routine maintenance services throughout London & the home counties. This is suitable for businesses or homes, for single or multiple sites and for all types of air conditioning, refrigeration and ventilation systems.

Shell are a global group of energy and petrochemical companies with more than 80,000 employees in more than 70 countries. Theye use advanced technologies and take an innovative approach to help build a sustainable energy future.

Sirius Buying Group will get ahead of the competition with its collective trade purchasing power of more than £120 million+. Currently comprising 188 members and 250 retail outlets, Sirius by virtue of its members is able to facilitate the UK with an extensive collection of home appliance and kitchen retail brands. Through specially negotiated terms with its preferred suppliers, Sirius members are guaranteed to benefit from improved margins.

SO Energy is a London-based supplier of gas and 100% renewable electricity to homes around Great Britain and believes in honesty, transparency, and enabling their customers to make a move towards net zero. It is the only energy supplier that empowers customers by allowing them to vote on how it sources its renewable electricity.

Sureserve is a trusted partner of housing associations, local authorities and residents for compliance and energy services. They provide trusted high-quality solutions that focus on energy efficiency, warm, safe, and compliant homes, and an improved quality of life for residents.

Switch2 Energy Limited is the UK’s most experienced and capable provider of end-to-end solutions for heat networks. They make a success of heat networks owned by local authorities, housing associations and private developers. They also help to optimize energy efficiency, manage renewable energy, and focus on well-performing schemes, while minimizing costs to the resident.

TES-N (TESN) are UK-based professional contractors with over 20 years of industry experience. They offer HVAC system service and maintenance, industrial equipment and office refurbishment services.

Thorndale's Heating and Cooling are specialists in the supply and installation of air source heat pumps - air conditioning for domestic and commercial applications, such as log cabins, static caravans, conservatories, outbuildings, Airbnb, small rental properties, bedrooms and garages.

Utilidex provides a SaaS platform for some of the largest energy customers and energy suppliers in the energy market. Utilidex provides a market-renowned energy platform, handling large amounts of data, evolving to support three specialized products in energy billing, trading, and energy management, which are used by some of the leading customers and suppliers in the UK energy market.