Heating Force has experience on both sides of the heating industry, and that’s enabled them to build one of the biggest free resources in the UK – helping over 60,000-150,000 visitors with boiler problems every-single-month. They also connect homeowners with cheap boiler installers, such as HEATABLE or WarmZilla.

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.

Heatrae Sadia is the UK's largest manufacturer of electric water heating products, and supplies products worldwide. They have achieved this position through their commitment to product innovation and quality. Their range is the widest and most comprehensive available in the UK today.

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

Heronhill are the official distributor for Panasonic and Marstair air conditioning and low temperature systems. To add to their portfolio of products, Heronhill are the main importers of Nordmann humidifiers and distribute Vapac's VapaVoid humidifier range and stock a full range of spares.

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.

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.

Hitachi Rail is a fully integrated, global provider of rail solutions across rolling stock, signaling, operation, service & maintenance, digital technology and turnkey solutions.

Hive is the UK’s pioneering connected smart home brand. Its eco-tech devices work alone or together to make the homework better – giving easy ways to manage energy use and cut the carbon footprint.

HLA Services Ltd are specialists in Heating, Ventilation, Air Conditioning, Plumbing, Electrical and Water Hygiene Services. All key personnel at HLA Services Ltd have many years’ experience in these disciplines and employ only fully qualified staff that are capable of providing a full ‘turn key’ service.

Hobson & Porter is a family owned construction company with offices in Kingston Upon Hull and Lincoln, operating across Yorkshire and Lincolnshire regions, in the United Kingdom. They operate a Quality Management System which complies with the requirements of ISO 9001: 2015 for the construction of building works for both public and private clients incorporating new construction, renovation, refurbishment and minor works contracts.

Hometree exists to help homeowners keep their homes warm, safe & working by providing HVAC solutions.

Hubbard Products Ltd. is one of the United Kingdom's renowned designers, manufacturers and suppliers of commercial cooling equipment and has earned an enviable Global reputation for innovation and design-led excellence.

Hughes Ventilation Air Conditioning (HVAC) was formed by combining a wealth of experience from a group of professional engineers all experts in their field. HVAC specializes in onshore and offshore international projects and can offer a wide range of services, which comprises of Modular constructions, Heating, Ventilation, Air conditioning, Refrigeration and Acoustic/Thermal solutions.

Humidity Solutions Ltd is an independent specialist in humidity control and has some of the best humidifiers and dehumidifiers. The company provides innovative and creative solutions and provides commendable after-sales services.

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.

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.

ID Crypt Global focuses on identity credentials and solutions for market infrastructure, corporations, and individuals. ID Crypt Global don't believe that there ever should be a single identity, but rather that all hold multiple identities, the important factor is security, authentication, verification, and privacy.

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.

IES is an innovative company at the forefront of the development and application of powerful software simulation tools and consulting services for architects, engineers, and others involved in the design, development, and management of truly sustainable buildings.

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.

Imex M&E Ltd provides full design, supply and installation of mechanical, electrical and public health services.

As well as planned and reactive maintenance our team can support all your predictive maintenance modelling, large or small project works as well as managing legal and statutory compliance of your whole M&E, HVAC and Fire and life safety systems.

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).

INEOS Group is a global manufacturer of petrochemicals, speciality chemicals and oil products. In recent years their scope of operations has diversified with the launch of INEOS Automotive and INEOS Hygienics, acquisition of iconic British brand Belstaff and an ever-expanding sports portfolio.

Inergy is engineering efficiency experts in the application, design, installation and commissioning of pioneering-edge evaporative cooling, heating, ventilation, and air conditioning (HVAC) systems.

Institute of Domestic Heating & Environmental Engineers is the pre-eminent professional body for the approved heating engineer. The prime objective of the IDHEE is to raise the standards of domestic heating installations through education, to which end IDHEE Education has developed the Domestic Heating Design Course, and continues to develop further courses to enhance the knowledge of installers in general and its members in particular.

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.