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.

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.

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

Heinen & Hopman are experts in the field of designing, engineering and installing heating, ventilation, air conditioning (HVAC) and refrigeration systems on both land and sea.

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.

Hibouair provides an affordable air quality monitoring device with a simple setup that provides all environment data for observations CO2, VOC, PM, pressure, temperature, and humidity for a healthy 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.

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. They provide a wide range of services, including HVAC systems, Information & Telecommunication Systems, Social Infrastructure & Industrial Systems, Electronic Systems & Equipment, Construction Machinery, High Functional Materials & Components, Automotive Systems, Smart Life & Ecofriendly Systems.

HK Instruments is a Finnish company specialized in designing and manufacturing highly accurate and easy-to-use measuring devices for HVAC applications. devices are mainly used in ventilation systems and building automation.

Holtop Canada supplies CSA-certified ductless ERVs built for modular, prefab, and energy-efficient homes. Their systems improve indoor air quality with quiet, efficient fresh air ventilation — no ductwork needed. With up to 82% heat recovery, they help builders and home owners save energy and breathe easier.

HSB Living Lab is a Swedish technology cooperative founded in 1923 that organizes 554, 000 members. HSB living lab is made up of 4-modules houses. The modules make it possible to rebuild and move the building, which makes the lab easy to access for researchers, developers and innovators.

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.

Humidair company has been formed by a group of professionals having vivid experience and wide exposure in HVAC industry. People involved with the company are young, qualified business graduates and qualified engineers from the renowned universities across India.

Humidirect, sro has been the exclusive representative of the German company Finestfog GmbH for the Czech Republic and Slovakia since 2017. Finestfog GmbH was founded in 1994. Since 2002, it has been engaged in the development and production of high-pressure adiabatic air humidification systems.

HVAC Doğalgaz, with its fair service approach and perfectionist approach to the work done, is at customers' side with all its possibilities to solve the problems encountered in the installations, especially heating, and bring them to a solution. In all the services they provide, especially regarding heating and installations required for buildings, they will always continue to offer the best to their customers as HVAC Natural Gas.

AC & Heating Equipment Rental are the air treatment specialists who understand the critical importance of air quality and building systems. Founded by three seasoned experts with a combined experience of over 40 years in rent air conditioner and heater rentals, they are passionate about providing exceptional solutions to meet unique client needs. They deliver their services 24/7 across the provinces of Ontario and Quebec in Canada.

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.

HVAC Trade SRO was founded in 2013. They are a young, dynamic company. Their specialists have many years of experience in the field of heating, cooling, and alternative energy sources. They use their experience and knowledge to offer users a comprehensive and professional service.

HVAC WHOLESALE LTD is a family-run business with over 17 years of industry experience covering Air Conditioning, Refrigeration, Heating, and Air Source. Using all the industry insight, they have built a team of customer-focused people who are here to offer the contractor community a wholesale choice like no other

hybridGEOTABS EU is an active group of developers, engineers & academics with a common interest in optimizing coupled geothermal heat pumps (GEO-HP) and thermally activated building systems (TABS), alongside secondary heating & cooling systems. TABS use pipes, embedded in concrete floors, ceilings and walls, through which warm/cold water is pumped to heat/cool a building’s thermal mass.

Ace Instruments’ IAQ Detectors range empowers the new generation of sustainable buildings to continuously monitor indoor air quality with cutting edge instrumentation. Positive performance on major indoor air quality parameters has been linked to improved productivity, reduced operating cost and carbon footprints. Their extensive experience of over 30 years in manufacturing enables them to deliver customized solutions for unique IAQ applications.

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.

Indaircon Engineers is a HVAC company based out of New No. 19/1, Old No. 348/19, 8th Cross road Wilson Garden, Bangalore, Karnataka, India.

ISC is a premier Canadian wholesale supplier of Heating, Ventilation, Air Conditioning & Refrigeration products. They have an expanding support network in Pacific Canada, the Prairies and Ontario to service their growing customer base.

Inner-Cool is an innovative pioneer in manufacturing hydronic fan coil systems since 2017. They are a Canadian OEM company based in Mississauga. They are able to customize any of our systems to suit the needs of the clients for multiple types of locations, i.e. high-rise condos, hotels, hospitals, etc.

The InService company ensures service and regular maintenance of the HVAC systems on the whole territory of the Czech and Slovak Republic, 24 hours a day and 365 days a year. According to the existing experience, they recommend to realize regular inspections of the air-conditioning units twice a year at least, always before the summer cooling and winter heating season.

InstalSun sro is a specialized company that provides comprehensive solutions in the field of heat pumps. Their services include sales, installation, and service of heat pumps, with an emphasis on the efficiency and reliability of their products.

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.

International Accreditation Forum (IAF) is the world association of Conformity Assessment Accreditation Bodies. Its primary function is to develop a single worldwide programme of conformity assessment, which reduces risk for business and its customers by assuring them that accredited certificates may be relied upon.