Green & Cool World Refrigeration AB is a globally renowned supplier of transcritical refrigeration systems that uses environmentally-friendly carbon dioxide (CO2) as a refrigerant. In addition to outstanding environmental performance, the Green & Cool units offer superior lifetime economy and high reliability, as well as being very user-friendly. Green & Cool has developed modern CO2 refrigeration to be a commercially-attractive alternative.

Green Clean Institute is a globally renowned green energy certification and standards organization for HVAC systems and services. They have been offering green training and certification for over twenty years now.

The Green Point network is focused on satisfying all your requests as a customer. This service organization with over 50 locations worldwide ensures customers get the right support. Green Point specialists offer a wide range of services, from engineer to engineer, because you deserve the best response. Compressor repairs and overhauls, original spare parts and oil, intelligent and proactive services – this is what Green Point is all about.

Based in West Palm Beach, Greenfox Air Quality specializes in HVAC remediation and air quality services. Their team of seasoned air quality professionals is dedicated to conducting detailed inspections and remediation of residential or commercial HVAC systems. They address a comprehensive range of HVAC and air quality issues, ensuring the environment is not just clean, but truly healthy.

Guangdong Chigo HVAC Equipment Co., Ltd. (Chigo HVAC) was established in January 2011. The company specializes in central air-conditioning product R&D, manufacturing, sales, engineering design, installation, and after-sales service.

Giwee Group is a global technology group integrating the production, research, and marketing of HVAC and consumer electrical appliances. The group has gathered many high-quality professional and technical talents in China, relying on technological innovation to develop products that are more in line with market trends and consumer needs, creating a more comfortable and harmonious living space for users.

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

Haley Mechanical, headquartered in Dexter, Michigan, is one of the pre-eminent residential HVAC companies in Michigan, servicing the Ann Arbor area. Services provided include Heating, Cooling, Geothermal Heating, HVAC, Plumbing, Electrical, Generators, Air Quality, Repair and Installation, and Drain Cleaning.

Harvey-Cleary Builders are a leading, full-service general contractor headquartered in Houston, Texas. They provide general contracting, preconstruction, design-build and construction management services for a variety of commercial projects nationwide.

Head’s Heating & Air Conditioning is an HVAC company that offers complete heating and air conditioning services in the Mobile and Baldwin county area. Their company was established in the year 1979.

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.

Hearth Stopper provides customizable, decorative fireplace covers across the USA. Eliminate cold drafts and boost comfort with their premium fireplace opening covers, designed to fit any decor and significantly boost the home's energy efficiency. Learn how to cover fireplace opening with Hearth Stopper fireplace insulated covers.

Heat Pump Federation lobbies government for long term policy supporting the electrification of heating and cooling, works to raise awareness, understanding and confidence in heat pump technology across both domestic and commercial sectors, and collaborates with government, industry and consumers to make this a reality.

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.

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.

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

Homans Associates is the premier distributor of HVAC Equipment, Supplies and Mechanical Insulation products in the Northeast. We've been serving the contractor community since 1952 with locations across all of New England plus New York and New Jersey. Our logistics network includes over 80 trucks and almost 1 million square feet of distribution space.

Honeywell Advanced Materials businesses manufacture a wide variety of high-performance products, including environmentally preferable refrigerants, chemical and analytical reagents designed to improve productivity, and materials used to manufacture end products such as bullet-resistant armor, nylon, computer chips and pharmaceutical packaging.

Howard Air focuses on providing the latest technology in superior comfort to meet all of the air conditioning and heating needs. Whether it is residential or light commercial sales, service, installation, indoor air quality or new construction, they guarantee that their specialized team will provide the best quality work.

Huguenot Laboratories specializes in treating all aspects of fire sprinkler systems. The company represents over 50 years of experience in the water treatment and fire sprinkler industry. Huguenot is the only UL-certified product in the market. Huguenot Laboratories is a growth-oriented company whose mission is to provide a value-added service to the fire sprinkler industry.

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 Technologies is transforming the heating and air conditioning industry by educating and empowering consumers and creating new ways for consumers to connect with trustworthy local HVAC contractors.

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.

IBM discover, design and develop advanced information technology, and translate that into value for their clients through consulting services.

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.

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.

Illinois Tool Works (ITW) is a Fortune 200 global multi-industrial manufacturing leader with revenues totaling $14.5 billion in 2021. The company’s seven industry-leading segments leverage the unique ITW Business Model to drive solid growth with best-in-class margins and returns in markets where highly innovative, customer-focused solutions are required.