HAVEN develops air monitoring technologies and connected (IoT) products, focused on detection of common particles and chemicals that affect human health. HAVEN has designed a proprietary laser-based particle detecting technology that is miniature, accurate and reliable; costing a small fraction of other sensors on the market with similar capabilities. Their software platform processes a large amount of environmental data.

Hawkins HVAC Distributors is a new company with a strong history in North Carolina set on delivering Charlotte and the surrounding areas the service it deserves. They provide parts of all residential and commercial HVAC systems.

Hayes Mechanical is a one stop, full service mechanical contractor specializing in both Commercial, Industrial, and Power-Generation related work.

Haynes Mechanical Systems has provided technical facilities services for the commercial real estate market since 1968. They focus on working together with the customers to provide solutions to their heating, ventilation, and air conditioning (HVAC) needs.

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.

Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.

Heat Exchangers WA was established in 2003 with a vision to become the very best plate heat exchanger service center in Australia, having accomplished this we are now expanding our supply and service range to include a wider variety of heat transfer equipment.

Heat Orkney has an experienced team who can assess, install and commission any size of heat pump or air conditioning equipment. We pride ourselves on a professional service where the customer satisfaction comes first. They offer a free quote to supply, or supply and install, any sized systems throughout the whole of Orkney- including outlying islands, Shetland and northern Scotland.

HEAT PIPE TECHNOLOGY, INC. (HPT) is a provider of energy recovery and dehumidification systems for commercial applications around the globe. Employing the very latest in passive heat transfer technology, HPT designs and supplies the core systems to the commercial air handling equipment manufacturers.

Heat Transfer Products Group, LLC (HTPG) manufactures energy-efficient refrigeration equipment (evaporators, condensing units, condensers, air handlers, coils and packaged systems) sold under the brands of Russell, Witt, Kramer and ColdZone. They are wholesalers and sales representatives too.

Heat-flo, Inc. is a design, sales, and manufacturing company dedicated to providing high-quality, cost-effective solutions for hydronic, solar, and electric-based water heating applications and high-efficiency hydronic and radiant heating applications.

Heatcraft Refrigeration Products is a globally renowned company in commercial refrigeration, providing climate-control solutions to customers in more than 70 countries. They manufacture and service unit coolers, air-cooled condensers, condensing units, low-temperature, hot gas and electric defrost equipment, refrigeration systems, heat transfer systems, custom refrigeration rack systems, and refrigeration system controls.

Heatex is a cleantech company that optimizes and develops energy-saving thermodynamic products and solutions that contribute to a sustainable future.

Heatforce has been supplying quality fireplaces, bathrooms, boilers and renewable energy solutions for over 35 years. They also provide heating installation, servicing & maintenance, fireplace installation & servicing, renewable energy installation, and bathroom installation & maintenance.

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.

Heil Heating & Cooling Products cater to residential needs by manufacturing light commercial heating and air conditioning products, air purifiers, condensing units, gas furnaces, heat pumps, accessories, 2-25 ton rooftop units.

Helmer Scientific is an established, entrepreneurial, growth company headquartered in Noblesville, Indiana. Helmer Scientific design, integrate, manufacture, market, and distribute specialized medical and laboratory equipment to clinical and life science customers in over 125 countries.

HEVAC is a company specializing in supply of environmental control systems for the commercial Air-Conditioning industry. They are probably best known for our legendary ultra reliable HTC4 temperature controller that has been in continuous production for over 30 years.

Hevac Limited is one of Ireland's leading domestic, commercial & industrial plumbing & heating specialists. They operate in offices and warehouse facilities in Dublin and Cork comprising over 10,000 square meters of space. They supply every plumbing & heating component imaginable to the residential, commercial, and industrial sectors and can offer in-house specialists including design engineers, CAD technicians, and system specialists.

HH Technologies® is widely recognized as a supplier of high-performance, automated door systems, portable evaporative cooling systems and contract manufacturing services to other OEM companies. Since 1978, their on-site engineering and manufacturing operations in Bremen, Alabama has produced the most respected brands within the markets that they serve.

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.

Hicool is a manufacturer of air-moving products in India with operations since 1988. Hicool air moving products are used in a variety of industries including but not limited to, IT & telecom, HVAC, automotive and rail technology, refrigeration, cold chain technology, defense and medical equipment.

No matter what problem users are having with the plumbing in their Denver home, High 5 Plumbing can help. Whether they need help with the sewer line, drains, water heater, or any other part of the home plumbing system, they are on hand to help the users.

Highside Chemicals, Inc. has manufactured the highest quality chemical products for the maintenance, installation and repair of refrigeration, air conditioning and plumbing systems for over eighty-five years. All products are thoroughly tested and proven to perform to the highest standards. Their commitment to quality along with excellent customer service and technical support makes Highside Chemicals the best choice.

Hiller provides residential and commercial service, installation, and repair throughout Tennessee, Southern Kentucky, and Northern Alabama. Hiller is Tennessee’s largest residential plumbing, heating, air conditioning, and electrical services provider.

Hillphoenix serves the food retail industry as the manufacturer of Display Cases, Specialty Products, Refrigeration and Power Systems, and provides a wide variety of in-store services through The AMS Group. The story of Hillphoenix is built on creativity and innovation delivered through people invigorated by a strong sense of responsibility to help the customers win in their marketplaces.

Hilson Moran is an international environmental engineering consultancy for the built environment. They provide building services, fire engineering, smart buildings, facilities management, building automation systems and much more.

HiRef develops cutting edge technology, cooling solutions for data centers and telecom shelters with the highest reliability. They offer innovative solutions for end-user needs through continuous Research and Development and clear customer-orientated philosophy.

Hisense VRF product is manufactured by Qingdao Hisense Hitachi Air-conditioning Systems Co., Ltd., which is a joint-venture company between China and Japan. And its business involves commercial air conditioning technology research and development, product manufacturing, marketing and service.

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.