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.

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

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

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

HAMPDEN ENGINEERING CORPORATION has built a reputation for manufacturing Cutting Edge, Engineering and Technology Training Equipment of the highest quality since 1954.

Harry Alter Co. is a renowned US-based wholesale distribution of heating and air conditioning equipment, parts and supplies. They provide furnaces, air conditioners, hydronic heating solutions and refrigeration supplies.

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.

HD Supply, a wholly owned subsidiary of The Home Depot, is a leading wholesale distribution company serving customers and their communities across the Multifamily, Institutional, Hospitality, Trades, Government Housing, Healthcare, Building Services, and Education industries through an expansive network of over 100 distribution centers across the U.S. & Canada.

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.

Heatex is a cleantech company that optimizes and develops energy-saving thermodynamic products and solutions that contribute to a sustainable future.

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.

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.

Hilson Moran is an international environmental engineering consultancy for the built environment. They provide building services, fire engineering, smart buildings, facilities management, building automation systems and much more.

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.

HK Instruments is a Finnish company specialized in designing and manufacturing highly accurate and easy-to-use measuring devices for HVAC applications. devices are mainly used in ventilation systems and building automation.

Hoffman & Hoffman, Inc. is a company that provides expertise in the selection and application of commercial and industrial heating, ventilation, air conditioning, filtration and direct digital control (DDC) systems. They represent manufacturers of the highest quality HVAC equipment and controls available on the market today.

Holtop Canada supplies CSA-certified ductless ERVs built for modular, prefab, and energy-efficient homes. Their systems improve indoor air quality with quiet, efficient fresh air ventilation — no ductwork needed. With up to 82% heat recovery, they help builders and home owners save energy and breathe easier.

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

Homeeasy is a Hong Kong based company Global sales in USA, China, Canada, Australia, Europe etc. Home improvement products manufacturer and distributor. Acquired Emerson Quiet Kool brand name for AC business Product categories cover air conditioner, fans, heaters, kitchen appliances, small domestic appliances.

Hometown Comfort Pros Heating and Air provide heating and air conditioning services in Forest Virginia, Bedford Virginia, Evington Virginia, Madison Heights Virginia, Amherst Virginia, and Smith Mountain Lake Virginia regions.

As a family-owned and operated Greater Houston HVAC Company, Go Admiral serves Spring, The Woodlands, Houston, Katy, and beyond with residential and light commercial heating, AC repair, venting, duct design, and air purification.

HP Products, Corporation is a wholesale distribution company. Established in 1988, their sales department has over 40 years experience in Heating, Air Conditioning, and Refrigeration.

HVAC PLUS is a premier reseller of commercial replacement parts for heating, ventilation, and air conditioning equipment. Their main focus is on high quality replacement HVAC parts for systems made by the industry's top manufacturers, including Carrier, York, Trane, McQuay, Barber Coleman and GE Motors.

At HVACSup.com, they take pride in offering a comprehensive range of HVAC products designed to meet the diverse needs of their customers. Their inventory boasts a wide selection of cutting-edge equipment, components, and accessories, sourced from reputable manufacturers known for their quality and reliability. They are dedicated to providing a diverse range of HVAC products sourced from reputable manufacturers.

iACS is a distributor in the United Kingdom for Carel's Air Conditioning products and solutions. With over 15 years of experience in the Heat Ventilation Air Conditioning market (HVAC), the company has offered an important experience in the automatic and intelligent controls of both domestic and industrial processes in the HVAC industry.

IERNA's Heating & Cooling offers quality air and expert HVAC service for customers home. They provide their customers with expert installers, knowledgeable, experienced technicians, and friendly customer service representatives.

IES Associates has been one of the largest independent providers of OEM compressors, compressor & chillers parts and technical services worldwide.

iHaul Freight Ltd. is full service transportation, distribution and logistics company providing a complete range of services, everything from Refrigerated Transport and LTL, to Warehouse services and Logistics.

Illco Inc. is a wholesale distributor of heating, ventilation, air-conditioning and refrigeration equipment, parts and supplies. They offer manufactured materials and aims to keep the highest levels of inventory on hand.

INEOS Group is a global manufacturer of petrochemicals, speciality chemicals and oil products. In recent years their scope of operations has diversified with the launch of INEOS Automotive and INEOS Hygienics, acquisition of iconic British brand Belstaff and an ever-expanding sports portfolio.