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.

GAH has become the supplier of choice for many operators who require powerful yet fuel-efficient refrigeration systems. With stringent legislation in place for the delivery of temperature-sensitive goods, accurate control of the load space temperature is essential. Their extensive range has evolved from investigating the everyday complications of delivering temperature-sensitive goods efficiently.

GAP Ice provides processing and recovery of domestic and commercial fridge and cooling units. GAP Ice is only one of three refrigeration processors in the UK to achieve WEEELABEX certificate for their refrigeration recycling plant for responsible recycling.

GBA Services is a renowned total logistics supply chain operator, offering time critical, temperature controlled, high security and dedicated transportation provision by air, road and sea. ThServices provided include: Time Critical Logistics, Dedicated Transport, High-Security Logistics, Temperature Controlled Logistics specializing in Pharmaceuticals, Charter Services, Air and Ocean Freight and Bespoke Solutions.

GDM is a globally renowned engineering and environmental design consultants firm that provide mechanical and electrical building services, building and home automation solutions, HVAC systems, and sustainable engineering solutions for homes and enterprises.

Gel-clear's innovative products reduce carbon emissions from the global HVACR industry, a big achievement for small northern town businesses.

Gelidus offers the design, sale, installation, repair and maintenance of a wide range of air conditioning and ventilation equipment to both commercial and residential sectors.

The team at Genius Energy Lab has been designing Ground Source Heat Pump systems for over 20 years and considers ourselves the best at what it does. It provides Ground Source Heat Pump System and Heat Network design advice, detailed design and training services to large commercial buildings, and large residential and social housing construction supply chains.

Glen Dimplex Heating & Ventilation is a subsidiary of the Glen Dimplex Group. They design, develop and deliver innovative heating and ventilation solutions that address a wide range

Global Optimism is a purpose driven enterprise focused on social and environmental change. Global Optimism exists to precipitate a transformation from pessimism to optimism as a method of creating social and environmental change.

Gluckman Consulting is a specialist technical consultancy providing expertise related to refrigeration, HVAC solutions and climate change mitigation. Gluckman Consulting also provides specialist services related to refrigeration, air-conditioning and heat pump systems, including services linked to the climate change issues, advice on the energy efficiency of existing and new systems, guidance on the selection of refrigerants for new systems.

Good Energy is an energy service company that embraces tech to help Britain get to net zero carbon emissions. They do this through providing 100% renewable electricity and developing innovative services to support customers to generate, share, store, use and travel with truly clean power. They’re passionate about the planet and empowering people to fight the climate crisis. That’s why they’ve been providing clean energy to businesses and homes.

GoodWe UK is a pioneering, clean energy solutions multinational enterprise. they are at the forefront of the global transition to a Smart Energy World, striving for a zero-carbon future and a clean and healthy global environment. GoodWe solar inverters have been used in residential and commercial rooftops, industrial and utility-scale systems and range from 0.7kW to 250kW.

Formed in 1966, Gradwood Ltd is an established name in Industrial Heating, Workshop Heating, Air Conditioning and Smoke Ventilation, and for over forty years we have been involved in the design, installation and maintenance of systems throughout the country. They have a large, innovative and vibrant team of engineering experts and designers who work cohesively to deliver award-winning warm air heating and RADIANT heating solutions.

Gray & Adams is the UK pioneer in the manufacture of specialist temperature-controlled and bespoke vehicles. Founded in 1957, they are a long-established, family-owned business with 750 employees, based out of a head office and main production facility in Fraserburgh, Aberdeenshire and have operational sites across the UK in Doncaster, Dunfermline and Newtownabbey.

Green Cooling specialize in three distinct areas, the first being the provision of refrigerated storage to satisfy both frozen and chilled demands, the second is the application of high efficiency cooling systems utilizing the natural refrigerant CO2 and the third area is the design & installation of cooling systems with full or partial heat recovery.

Green Zone Surveys are the UK's accredited supplier of building and energy compliance services. Offering nationwide coverage and unrivaled in-house technical expertise, it works alongside businesses to ensure they achieve and remain compliant, become more efficient, and ultimately reduce their energy costs.

Greenmill Supply Company is one of the UK's pioneer wholesalers of Air Conditioning and Ventilation Install products. They provide Air Conditioning Supplies, Ventilation Supplies, Plumbing Supplies, Fixture and Fittings Supplies, and ZoomLock Braze-free Systems.

GROB-WERKE GmbH & Co. KG has been the pioneer in designing and building highly innovative production and automation systems for nearly 100 years.

GTC provides multi-utility networks for new-build developments across England, Scotland and Wales. GTC designs, installs, adopts, owns and operates network infrastructure for all the utilities – heat, electricity, gigabit-capable fiber broadband, water, wastewater, and gas.

GV Booth Plumbing & Heating provides high quality service and installation of HVAC systems in Loughborough region of Leicestershire, United Kingdom.

H2GO Power is a pioneering cleantech company. They develop and deliver hydrogen energy storage technology for zero-emission, safe and reliable power supply, with a range of commercial applications.

Hamilton Air Conditioning has been supplying top quality air conditioning for over thirty years. They owe it all to their talented engineers! Without their knowledge, their passion and their attention to detail, they wouldn’t have been able to provide so many fantastic systems to their trusted clients over the years.

Harding Heating Ltd is a Gas Safe® registered heating and plumbing specialist based in Shropshire. It focuses on domestic plumbing and heating, from servicing and maintenance to new boiler and heating installations.

Hassle Free Boilers has been installing sustainable energy systems nationwide for almost a decade. In fact we have already installed over 8,000 systems across the UK helping thousands of families to reduce their carbon footprint as well as fuel bills.

HDR | Hurley Palmer Flatt Group is the UK’s leading independent multidisciplinary engineering consultancy, providing solutions for the built environment. HDR | Hurley Palmer Flatt Group is Headquartered in London, and comprises of: - HDR | Hurley Palmer Flatt - HDR | Andrew Reid - HDR | Bradbrook Consulting - HDR | Concentre Consulting

Health and Safety Executive (HSE) is the national independent watchdog for work-related health, safety and illness. Their mission is to prevent death, injury and ill health in Britain's workplaces. They are an independent regulator and act in the public interest to reduce work-related death and serious injury across Great Britain’s workplaces.

At Heat Different, they carry out in-house design, supply and installation of a wide array of renewable, gas and oil heating systems, including ground source heat pumps, air source heat pumps, biomass boilers and solar thermal. They pride themselves on quality installation using quality well-engineered products, designed to every property’s bespoke requirement by their in-house design team.

Based in the UK, Heat Engineer Software empowers heating technicians, engineers, surveyors and architects across the globe to deliver exceptional heating solutions with ease and accuracy.

Heat Geek is renewing the heating industry. Home heating accounts for 17% of the UK's carbon emissions and to tackle this, they have developed a digital-first experience that enables people to upgrade their homes with carbon-free heating. Heat Geeks are part of one of the largest independent renewables installer communities in the country, with access to incredible training and community support to deliver customer energy upgrades.