At Duct Hygiene they specialize in the servicing of commercial kitchen extraction systems, fresh air ventilation and Fire Damper Inspection & Testing. They provide maintenance services to both blue chip and private sector clients throughout the UK, performing over 7,500 service visits each year maintaining building safety and compliance.

Dunphy Combustion designs and manufactures advanced industrial and commercial combustion systems, including burners, boilers, and control solutions for high efficiency and low emissions. A recipient of the King's Award for Enterprise: Innovation 2025, Dunphy is recognised for pioneering energy-efficient technologies that support cleaner, more sustainable industrial heating.

Dunster Heat is based in the South West and is a nationwide biomass supplier and installer of vigas wood burning boilers and Akvaterm accumulators. Their biomass systems are combined to form an efficient biomass central heating system.

Durakerb is part of Econpro, a specialist group of companies that transform waste and by-products into sustainable products and solutions. Durakerb manufactures lightweight and recycled products and systems that provide for a safer, greener, faster, and easier solution to kerbing and kerb-side drainage. They provide with the opportunity to design and construct with responsibility.

DYSK PLC is a specialist supplier of air conditioning products and services, with over 100 years of combined experience in providing specialist advice, design assistance and first class pre and post sales technical support to the industry.

With over 20 years’ experience, EasyAir has an in-depth knowledge of saving their clients' energy by designing and installing heat recover systems. They also provide unique, site specific commercial kitchen heat & smoke extract, fume extract, dust extract, paint & varnish fume extract as well as bespoke turnkey air conditioning systems.

EcolightingUK offers a versatile product range using the latest LED technology, creating bespoke solutions for any number of applications. They are Carbon Trust, ISO9001 and ISO14001 accredited, meaning they are fully committed to offering exceptional service, quality, technology and value.

EcoSync is a multi-award winning Smart Temperature Control System, born out of Oxford University. With EcoSync, businesses can reduce their heating-related carbon emissions and energy bills by up to 50%. It achieves this by synchronizing heating with occupancy levels, on a room-by-room basis. With added control over temperature settings, businesses can improve energy efficiency, boost their sustainability profile & lower their heating bill.

Green Electricity didn't exist in the world back in 1996. When Ecotricity offered it for the first time, it became not just Britain’s but the world’s first Green Electricity company – and they kick-started the now global Green Electricity movement. Their mission was and remains to change the way electricity is made and used in Britain.

Edwards Modular Controls (EMC) was founded in 1977 by John Edwards. Located in Brighton, EMC has steadily grown and now employs a full-time staff of seventeen. They specialize in the design, manufacture, electrical installation, commissioning, and servicing of all types of heating, ventilation, and air conditioning control systems.

EJM Engineered Systems Ltd was founded in 1980 with the intent to provide high quality industrial refrigeration installations at realistic prices. They pride themselves for the levels of professionalism and integrity, and the clients know they are always on hand to offer advice and support when they need it.

EkkoSense is a global leader in the provision of software driven thermal optimization for critical live environments. EkkoSoft Critical enables true real-time M&E Capacity Planning for power, cooling and space - at a fraction of the cost of expensive and complex DCIM solutions.

For efficient home heating, shop from Electric Radiators' extensive range of radiators. With a wealth of energy-saving features including cutting-edge WiFi control, 24/7 programming and precise digital thermostats, they’re designed for convenient heat management and reduced running costs. Install with ease and experience lasting warmth with any one of their highly responsive electric heating solutions.

For more than forty years, Elta Fans has been at the forefront of the industry as a result of technological advances in fan design and engineering, providing customers with a wide spectrum of products for a large variety of applications.

UK manufacturer of a range of fan powered input and extract and ventilation systems, together with natural louvred ventilators, all based on a modular design flexible for integration into the most challenging industrial applications. Wide range of motor and cowl options, all Encon systems are supplied with matching soaker sheets suitable for roof or wall installation. Founded in 1969 by Colin Dawson & associates. 3rd generation family business.

EnergiVault CTES technology adds a range of capabilities to industrial chiller operation including electrical load shedding and load shifting, use of on-site generated renewables, and the capability to benefit from grid-level support payments. The technology adds a whole new range of capabilities to industrial refrigeration by enabling flexible charging and discharging of cold thermal energy.

Ernest West & Beynon based in the UK specialize in the design of refrigeration and air conditioning plants to meet the customers' precise and often exacting specifications.

EV Bullen is recognized as an independent Building Services Contractors providing sustainable, high quality engineering solutions for electrical and mechanical building services.

Evinox Energy specializes in providing communal & district heating solutions. It offers a range of Smart Heat Interface Units (HIUs) and comprehensive support services including Metering, Billing, Revenue Management, and Service and Maintenance. Its range of ModuSat® heat interface units are designed and developed in the UK, tested to the BESA standard, and manufactured in our production facility.

As one of the UK-based specialist suppliers of ground source heat pumps and air source heat pumps, heating solutions for swimming pools, and solar panels, Evolution Eco Homes pride itself on providing customers with a comprehensive, ethical, trustworthy, and professional approach to renewable energy.

Compelled by the worsening levels of air pollution in the UK, they launched Evotech Air Quality in 2020 to help the customers create safer working environments by transforming their indoor air quality. They also Monitoring indoor air quality data in real time to assess the impact of COVID-19 secure ventilation.

Exyte Hargreaves is the UK’s renowned provider of specialist high-integrity bespoke ventilation and hydraulic systems and ultra high-purity pipework solutions.

F and P Plumbing business are to provide mechanical and electrical (M&E) services to a wide range of clients in the public and private housing sector. The company has grown in managing a range of gas-related services, including full central heating installations, responsive maintenance, gas servicing, and Commercial warm air heaters installation and planned maintenance.

Finna Fans use the latest CNC machinery to produce our fan components and only use the highest quality materials, giving our customers a product that is finished to the highest standards. All our fans are fully checked and tested before leaving the premises and are supplied with full documentation.

Flynn Refrigeration is the key provider of refrigeration, air conditioning and compressed air products, and they deliver these alongside a vast range of technical and remanufacturing services.

FPS AIR COMPRESSORS offers unrivaled competence and experience in all areas of compressed air technology and the applications thereof. Their product range is unmatched in terms of quality, technology, and diversity, which allow their dedicated support and sales facilities to satisfy the requirements of all users of compressed air from small to large.

Freedom Heat Pumps was founded in 2010 to provide the UK plumbing and renewables trade with sound, honest technical support and the right equipment for the job, every time. As part of Certas Energy, a DCC Plc Group company, Freedom Heat Pumps continues to lead the way in the energy transition, offering a broad portfolio of lower carbon heating options.

Frenger Systems are specialists in manufacturing and supplying energy-efficient HVAC systems, including Chilled Beams and Radiant Heating Panels, to commercial buildings globally. Their HVAC systems are utilized in hundreds of award-winning properties across the world for their benefits such as improved employee wellbeing,

FSW is the UK's pioneering distributor for the Air Conditioning and Refrigeration industry. They're Specialist Refrigeration & Air Conditioning Wholesaler of choice with over 27 Branches in the UK & Ireland.

The G&H Group is the complete mechanical and electrical public health (MEP) provider. They provide heating, ventilation and air conditioning; gas, electricity and renewable power supplies; water, drainage and plumbing; lighting; energy management systems; refrigeration; acoustics; and, communications, security and safety systems.