HAUSER, with headquarters in Linz-Urfahr, is a successful full-service provider of refrigeration cabinets and refrigeration technology throughout Europe. They offer their international customers everything from a single source: innovative, energy-saving cooling solutions, as well as complete project management and service.

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.

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.

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.

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.

Hays fluid controls makes the world's most effective automatic flow control valves and related vital components for the hvac industry.

Since 1914, HB McClure has served homes and businesses in Central Pennsylvania by providing premier residential, commercial, and design/build mechanical services, including heating, cooling, plumbing, electrical, and fuel oil and propane delivery. Our expert technicians evaluate each job, recommend the best solutions, and allow the client to choose the right option for their needs.

HBB Pro Sales Group Inc. is a representative of high quality HVAC/R products lines in Ohio, Kentucky, Indiana, Michigan, Western Pennsylvania, and West Virginia.

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.

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 Merchants supplies a comprehensive portfolio of heating, plumbing and renewable energy solutions for both domestic and commercial projects. They also provide a range of support services to customers include heating system design and specification, commissioning, ancillary certification, after-sale service and installer training.

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 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.

With 16 locations in Canada and the United States, HTS has grown significantly as a full-service, custom HVAC equipment provider since its establishment in 1992. Their products inventory includes chillers, heat pumps, air handling units, valves, building automation systems, heat exchangers, fan coil units, humidifiers and dehumidifiers.

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.

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.

As buildings and their systems are used and age, they require regular maintenance, repair, and replacement. Whether the plumbing systems need to be repaired or completely replaced HRC can get the job done. They provide leak detection, new plumbing fixtures, pumping, sink repair & replacement, sump pump repair / new installation, water heaters & tank-less water heaters and much more.

Heating and Air Conditioning Supply, Inc. is a proud local distributor of Armstrong Air and Ducane HVAC equipment. Since Heating and Air Conditioning Supply, Inc.'s debut in 2003, they have experienced enormous growth due to experienced staff with excellent product knowledge, quality materials at the lowest prices available and an extreme focus on customer service.

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.

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.

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.

Hemco Inc. is a HVACR organization which provides application engineering and technical expertise for any project with primary focus on the commercial refrigeration sector. Difficult or unusual projects are their specialty.

For over 125 years, Redlands and Henry Bush Plumbing, Heating, and Air have been proudly serving the Inland Empire community with top-notch HVAC service and expertise. When it comes to any plumbing and HVAC needs, they're the leaders who customers can rely on for honest service. Their experienced team is dedicated to exceptional service.

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.

Herrera Heating and Air Conditioning Inc are more than just an HVAC company in Westminster – they’re partners in creating comfortable and efficient living and working environments. And as a trusted family-owned HVAC contracting company with over 30 years of experience, they pride themselves on delivering comprehensive services for both residential and commercial properties in Westminster and the entire Metro Denver area.

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.

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.