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

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.

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 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.

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.

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.

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.

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.

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.

Hix Air Conditioning Service, Inc. is proud to provide services that vary from heating, cooling, indoor quality of air, residential and light commercial installation, refrigeration solutions on current HVAC clients, preventative maintenance agreements, and getting to attain the greatest client satisfaction and retention.

HM Tech Air Conditioning & Heating is a company that provides viable solutions to homeowners and businesses alike. Based in Mesquite, TX, they offer a variety of HVAC services, Their HVAC company is ready to provide users with professional installation, repair, and maintenance services for their system! HM.

Hole Pro provides unique hole cutting tools for use by professional trades people, including electricians, HVAC and refrigeration contractors, audio and CCTV security systems installers, carpenters, MRO engineers, plumbers, and remodelers. Their tools save them time and enable them to safely complete jobs faster.

As Georgia’s #1 American Standard dealer, Holtkamp provides award-winning air conditioning repairs, AC replacement, and AC maintenance to Gwinnett County and surrounding areas from their Suwanee headquarters.

Home Heating & Plumbing specializes in HVAC (Heating, Ventilation and Air Conditioning) and Plumbing solutions for the new construction, remodeling or replacement project.

hOme Technologies, LLC is a home appliance company based in USA, that design and manufacture things like dehumidifiers, air conditioners, etc.

Hometown Heating and Air Conditioning are a licensed and bonded HVAC (heating, ventilation and air conditioning) Contractor with a C20 License in the state of California and all cities that they service. Brian Waskow founded the company in June of 2012 with his family.

Honeywell is a provider of custom-engineered sensors, switches and controls, and productivity solutions built around its high performance data collection hardware including rugged mobile computers, voice-enabled software, bar code scanners, radio frequency identification (RFID) and workflow printing solutions. They also provide pressure sensors for HVAC and refrigeration equipment.

Hoover’s Air Duct Cleaning provides Air Duct Cleaning, Dryer Vent Cleaning, Video Duct Inspection, Exhaust Vent Cleaning, Commercial Accounts and much more.

Hoshizaki America provides commercial ice makers including flakers, cubers, hotel/motel dispensers, counter top dispensers, ice storage bins, beverage dispensers, reach-in refrigerators, reach-in freezers, megatop sandwich prep tables, undercounter refrigerator/freezers.

HTPG designs and manufactures heat transfer components and equipment for refrigeration applications in the food service, food retail and other non-consumable markets. Its products are sold primarily in the USA and Canada to original equipment manufacturers (OEMs), Air Conditioning and Refrigeration Wholesale (ARW) distributors, and direct to end-user customers.

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.

Hudson is a provider of Refrigerants, Onsite Refrigerant Services and Refrigerant Reclaim, improving the performance of HVACR systems, saving energy, restoring capacity, and extending equipment life.

Hughes Environmental helps their customers to create safe and clean work environments by providing quality commercial duct cleaning, rafter and ceiling cleaning, and combustible dust remediation services.

Here at Hunter, they’ve set the standard in quality and craftsmanship for more than 125 years. Because they design and engineer the fans right here in Memphis, they’re able to stay at the forefront of the industry, incorporating the very latest trends and technologies into the fans, then rigorously testing them beyond established standards to ensure a lifetime of whisper-quiet performance.

Hunts Services is a certified and licensed plumbing, heating, furnace, and electrical repair company that also specializes in air conditioning and duct cleaning. Over the years Hunt’s Services a Heating, air conditioning, electrical and plumbing service company has established a reputation for quality work and dependability.

Hussmann manufactures and sells refrigerated display cases, refrigeration systems, self-contained display cases, specialty display cases and aftermarket parts. It also provides installation and service.