H. A. Phillips & Co. is a single source manufacturer and supplier of modulating control solutions for industrial refrigeration systems. They provide ammonia refrigeration valves, control systems, custom ASME pressure vessels, air purgers, Anhydrators, packaged refrigeration controls, regulating and solenoid valves, Level Eye sightglasses, refrigeration flanges.

The H.M. Sweeny Company is a pioneer distributor of air conditioning, heating, ventilation, and refrigeration parts and equipment.

H.C. Nye Company, Inc. is a Manufacturer’s Representative of Engineered, Applied, and Industrial HVAC Systems. They specialize in the assisting consulting engineers, construction managers, mechanical contractors and building owners in the application, selection, and sale of HVAC mechanical equipment.

H.D. Grant Co., Inc. represents many of the best manufacturing lines in the HVAC industry. They supply and distribute exhaust fans, fire dampers, radiation dampers, single duct VAV boxes, fan powered VAV boxes with electric heat, Vibration Isolation, and many other products for the HVAC industry.

H.Stars (Guangzhou) Refrigerating Equipment Group Ltd. is Hongkong group company,established in Economic & Technological Development Zone of Guangzhou in 1992, composed of 8 subsidiaries to provide one-stop solution to HVAC customers, specializing in R&D, production, design and installation.

H2-ECO is the developer and investor for medium-sized Hydro and wind electricity generating projects. It works in partnership with Landowners to generate a sustainable income for both partners with no investment required from the landowner. H2ecO manages all of the development process and licenses so the process does not require time from the landowner.

H2GO Power is a pioneering cleantech company. They develop and deliver hydrogen energy storage technology for zero-emission, safe and reliable power supply, with a range of commercial applications.

Haakon Industries is a globally renowned company in custom designed and manufactured air handling units for all type of building environments. They strive to provide the highest quality equipment and the most flexibility in equipment design to provide optimal solutions for their clients.

Provides recurring maintenance, repair, and installation services for HVAC equipment.

Hagler Heating & Cooling is a full-service HVAC company in Ozark, AL. They are dedicated to supplying the best possible solution for home or business. They have earned a reputation among our customers for performing appropriately the very first time.

Haglund Industri AB is one of Sweden's pioneer refrigeration manufacturers. They have produced products in sheet metal for more than 150 years and manufactured quality refrigeration solutions for the restaurant and catering trade for the last 65 years. They also provide refrigerator service, refrigeration/heat wall, cooling solutions, fittings and Display and much more.

Haier has built a $30B business by offering solutions that fit customer's needs. Haier is a pioneer manufacturer of HVAC products from mini splits, multi splits, VRF to chillers. With its global R&D Centers, Haier is known for world-class quality and design, built and manufactured completely in-house.

Haigh’s Air & Refrigeration is one-stop shop for all the air conditioning and refrigeration needs on the Hunter Valley. Their fully licensed and insured team can do everything from installations and repairs to servicing and maintenance.

Haisma Heating & Cooling Inc. is an HVAC company serving West Michigan. The company was established by Garry Haisma, a Northwest side Grand Rapids area native, in 1981.

Hajoca has a robust history of helping to shape advances in plumbing. Hajoca provides Plumbing Wholesaler, Industrial Supplies, Swimming pool supplies, pipes, valves, fittings, Kitchen and Bath, and HVAC Materials and Supplies.

Haldatec provide a holistic approach, offering solutions to applications where often several different approaches are considered, then in consultation with the client, the most appropriate choice of product or system is selected to cater for immediate and future needs.

Haldeman Inc. is a stocking Manufacturer's Representative and Distributor of HVAC products since 1933. They service the Mechanical Contractor and Mechanical Engineering community in Southern California. They represent renowned HVAC products and equipment companies, including Big Ass Fans, Krueger, Ruskin, Loren Cook Company and System Air to name a few.

Hale Industries, Inc. offers a variety of high efficient, economical solutions for industrial and residential heating and cooling with Advanced Radiant Systems Infrared Heating, COOL-SPACE Evaporative Cooling, and PremAire air turnover systems.

Haley Comfort Systems are distributors of AC units, furnaces, heat pumps, thermostats, CO2 alarms, dehumidifiers, humidifiers, purifiers, filters, UV lamps, fireplaces and more.

Haley Mechanical, headquartered in Dexter, Michigan, is one of the pre-eminent residential HVAC companies in Michigan, servicing the Ann Arbor area. Services provided include Heating, Cooling, Geothermal Heating, HVAC, Plumbing, Electrical, Generators, Air Quality, Repair and Installation, and Drain Cleaning.

Halfmoon Education is a nonprofit continuing education provider located in Altoona, WI. Its goal is to provide affordable quality continuing education activities that keep users current and competitive.

halm elektronik is the supplier of measurement solutions for the pv industry. Besides equipment to measure the electrical characteristics of photovoltaic specimens, halm also offers solutions for visual inspection and other advanced analysis.

Halpern - Jacobs represents the premier manufacturers of Heating, Ventilating, Air Conditioning, and Refrigeration Equipment and After Market Parts.

A/C , refrigeration and industrial wholesalers. Parts and supplies, motors, compressors, refrigerant,belts, bearings, copper, pvc pipe and fittings etc.

Halton Group is a family-owned, global technology pioneer in indoor air solutions for demanding spaces. They enable safe, comfortable, and productive indoor environments that are energy-efficient and comply with sustainable principles.

Hamel’s Air Conditioning and Heating is a small, family-owned business where customers are part of our family, not a number. We strive to provide the same level of service we would expect in our own home for each customer we serve. We can provide this level of service because we are not the biggest HVAC business in town and never will be. Instead, our focus is on an unrivaled customer experience.

Hamilton Air Conditioning has been supplying top quality air conditioning for over thirty years. They owe it all to their talented engineers! Without their knowledge, their passion and their attention to detail, they wouldn’t have been able to provide so many fantastic systems to their trusted clients over the years.

Plenty has changed since Hamilton was founded in 1981, but plenty more continues to remain the same. Using they own patented technology, we engineer hot water systems and hydronic boilers that are more efficient and provide higher performance than most other products on the market today. Take the EVO line, for example. With operating efficiencies up to 99.8%, EVO stands alone among high-efficiency condensing water heaters, boilers and systems.

Hamilton Heating and Cooling is an expert, full-service heating and cooling company that has been around since 2000. Based in Hamilton, Ontario, this company specializes in the sales, installation, and repair of home heating, air conditioning, and air treatment systems. The company is made up of a team of heating and cooling experts that offer high-quality HVAC solutions for residential clients in Hamilton and nearby areas.

Hamlin offers full-service ductwork manufacturing and architectural sheet metal fabrication services, producing custom sheet metal products for roofing HVAC.