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.

Hilti is a pioneer in providing technology products, systems and services to the worldwide construction industry. They supply the construction and energy industries with products, systems, software and services.

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.

Hitecsa is a Spanish market pioneer in the design, manufacture, and prescription of industrial air conditioning equipment. As a specialist in air conditioning, heating, and ventilation systems, it is an international benchmark in terms of flexibility and productive punctuality.

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.

HLA Services Ltd are specialists in Heating, Ventilation, Air Conditioning, Plumbing, Electrical and Water Hygiene Services. All key personnel at HLA Services Ltd have many years’ experience in these disciplines and employ only fully qualified staff that are capable of providing a full ‘turn key’ service.

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.

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 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.

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.

Hoval develops and supplies premium solutions for heating, ventilation and air conditioning for buildings. Their solutions can be found in many of the world most remarkable landmarks like Windsor Palace, Vatican City and Burj Khalifa.

HTL Aircon Pvt. Ltd. is an integrated HVAC Project Management Corporation. They are structured to offer solutions for all HVAC services. They are premium HVAC contracting company and the most preferred in fit-outs & VRV Installation category.

Hubbell Lighting develops solutions that integrate seamlessly into the environment, save energy, provide improved quality of light and air, and deliver a return on the investment.

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.

Hughes Ventilation Air Conditioning (HVAC) was formed by combining a wealth of experience from a group of professional engineers all experts in their field. HVAC specializes in onshore and offshore international projects and can offer a wide range of services, which comprises of Modular constructions, Heating, Ventilation, Air conditioning, Refrigeration and Acoustic/Thermal solutions.

Humiscope is a group of engineers, technicians and draftsmen dedicated to its clients and committed to providing energy-efficient indoor environment systems; from simple applications to specially engineered solutions.

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.

Hurll Nu-Way Pty Ltd has been serving the Australian industry for over 100 years, and it's something we're very proud of. That means the customers benefit from the extensive product and application knowledge they have built up and the experience and expertise from their global products.

Founded in 1967, Hurst Boiler & Welding Company, Inc. has been manufacturing, designing, engineering and servicing gas, oil, coal, solid waste, wood, biomass and hybrid fuel-fired steam and hot water boilers. The company also manufactures a complete line of boiler parts and boiler room peripherals and provides unparalleled turnkey after-market products and services to deliver complete installation and operation to its customers.

Huzhou Bocheng is a modern enterprise specializing in R & D, manufacturing and sales of motor and household appliances. Products are widely used in exhaust fans, axial flow fans, hair dryers, ventilators, Hongyun fans, electric fans, purifiers, range hoods, blowers, induced draft fans, dryers, ovens, air conditioning fans, shoe polishers, Yuba, heaters, forced exhaust gas water heater, washing machine, freezer, instrument cooling fan, etc.