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.

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.

Hobson & Porter is a family owned construction company with offices in Kingston Upon Hull and Lincoln, operating across Yorkshire and Lincolnshire regions, in the United Kingdom. They operate a Quality Management System which complies with the requirements of ISO 9001: 2015 for the construction of building works for both public and private clients incorporating new construction, renovation, refurbishment and minor works contracts.

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.

For nearly 20 years, Holtzople Heating and Air Conditioning has been a leading HVAC company serving central Maryland and southern Pennsylvania, featuring star brands such as Trane, Lennox, Carrier, Bryant, ClimateMaster and more. Holtzople provides complete installation, repair and preventive maintenance agreements for residential heat pumps and air conditioners, as well as oil and gas furnaces and boilers.

HBI (Home Builders Institute) is a national nonprofit that provides training, curriculum development, and job placement services for the building industry. With job placement rates at over 80 percent for graduates, HBI training programs are taught in local communities across the country to at-risk youth, veterans, transitioning military members, justice-involved youth and adults, and displaced workers.

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.

Honey-Do-Men is an experienced and full-service home improvement contractor. They provide comprehensive remodeling, repair, and maintenance solutions for home owners. For anyone who requires their assistance in gutter repair or replacement, roof repair, or handyman services, they can help.

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.

Hort Americas is a commercial horticulture supplier of lights, fertilizers and hydroponic substrates, as well as knowledge source. Hort Americas distributes growing accessories and supplies to the greenhouse vegetable production industry as well as niche crop growers which includes cut-flower growers, young plant growers, tropical plant growers, herbs and orchids.

HotArctic Heating And Cooling is a Nairobi-based air conditioning, cold room, mechanical Ventilation and refrigeration supplier / contractor in Kenya.

Founded on January 1, 2000, House Pro was started with a simple concept - offer unparalleled service and customized heating and cooling solutions to each and every homeowner. They offer emergency AC repair services, available 24/7, to keep residents cool when the heat is on. Trust their experienced technicians for Houston AC repair – they’ve serviced over 35,000 homes in the region.

The purpose of the Sustainable Energy and Environment Coalition is to advance policies that promote clean energy innovation and domestic manufacturing, develop renewable energy resources, and create family-sustaining clean jobs throughout the product supply chain.

Housecall Pro was founded in 2013, and we’ve been helping home service professionals thrive ever since. Its core SaaS software platform helps Pros with scheduling, dispatching, job management, invoicing, payment processing, marketing, and 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.

HTS is the largest independent built-to-order commercial and industrial full-service HVAC distributor in North America. It is committed to the shared success of all involved in the design, selection, installation, and maintenance of the right HVAC solution for each project.

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.

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.