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.

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.

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.

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

Hawco is an international distributor and a UK wholesaler of HVAC products. They provide Refrigeration systems, Air Conditioning, Electrical Process & Control, HVACR, Components, Process Heating Control, and Process Heating.

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.

Established in 1968, Heatmiser has become one of the UK’s smart room thermostat manufacturers. Heatmiser has established partnerships with heating installers and heating equipment manufactures across the UK and has the ability to private label and custom design.

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.

As a non-profit organization, HETAS pride itself on investing surplus funds into business areas that directly contribute to safely reducing particulate and carbon emissions for the benefit of the people and the environment.

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 IT Services specialize in providing expert IT support, cyber security, telephone systems, and internet services tailored specifically for the HVAC industry. As the renowned IT support company for HVAC businesses, they are dedicated to helping customers grow through digital transformation to increase productivity, efficiency, and business performance.

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.

iACS is a distributor in the United Kingdom for Carel's Air Conditioning products and solutions. With over 15 years of experience in the Heat Ventilation Air Conditioning market (HVAC), the company has offered an important experience in the automatic and intelligent controls of both domestic and industrial processes in the HVAC industry.

iACS have made a name for themselves in the UK as Air Handling Control Experts - the software team work relentlessly in ensuring that the AHU control solution remains ahead of the curve while the in-house panel build team work to the highest standard in order to achieve quickest turnaround in the Industry.

Ideal Heating is a British manufacturer of high-efficiency commercial and domestic heating solutions. With over a century of experience manufacturing boilers in the UK, including wall-hung, floor-standing, and modular boilers, they are uniquely qualified to meet the ever-changing needs of the UK marketplace.

IFC Certification Ltd is a UKAS accredited and internationally recognized provider of high quality customer focused independent third party certification. IFC Certification Ltd is also a Notified Certification Body for certificating products for CE Marking under the Construction Products Directive.

At Impact Air Systems, they’re driven to lead the global air conveyance market by delivering smart, profitable solutions that separate waste, remove and collect trim, and control dust—with precision and performance users can count on.

Industrial and Commercial Heating Equipment Association (ICOM) is the UK's trade association representing the industrial and commercial heating equipment industry sector. Together with the members, ICOM represents the industry's interests at UK Government and European levels. ICOM is a division of the Energy and Utilities Alliance (EUA).

The Institute of Refrigeration provides a central resource for people from all over the world to improve the application of refrigeration and allied fields for the general good of society with particular emphasis on environment, efficiency, safety, and innovation.

Intertek is a quality solutions provider to industries worldwide. From auditing and inspection to testing, training, advisory, quality assurance, and certification, the company adds value to its customers by helping improve the quality and safety of its products, assets, and processes. Intertek caters to various industries including chemicals, retail, transportation, life safety and security, energy and commodities, energy, and more.

JDE Ventilation Systems excels in cutting-edge ventilation systems, and state-of-the-art heat recovery solutions. They pride themselves not only on their innovative offerings but also on their commitment to customer satisfaction.

JLA’s products and services help to keep thousands of patients, residents, and customers safe, clean, and warm. They provide commercial heating equipment, commercial air conditioning, commercial fire safety solutions, infection control solutions, and Servicing & Maintenance.

JTL Systems is one of the UK's suppliers of temperature control, monitoring and refrigeration management services.

KGM Refrigeration is an independent company, whose goal is to be the supplier of choice for users of industrial refrigeration equipment. From design through to installation, commissioning and follow on routine maintenance, we form a total partnership with our customers to provide a total solution throughout the life time of the refrigeration plant.

KH Refrigeration is a family-orientated business with over 35 years of experience and knowledge in the sectors of Refrigeration & Air Conditioning.

Klima-Therm has earned a stellar reputation for supplying innovative and sustainable cooling, heating, air conditioning and air movement products supported by excellent technical back-up, installation, service and maintenance.