Greenmill Supply Company is one of the UK's pioneer wholesalers of Air Conditioning and Ventilation Install products. They provide Air Conditioning Supplies, Ventilation Supplies, Plumbing Supplies, Fixture and Fittings Supplies, and ZoomLock Braze-free Systems.

As a HVAC supplier they believe that all of the clients deserve the highest level of quality and service. Whether the business is Air Conditioning, Heating and Cooling or Building Management, they have the necessary technology know-how to offer customized products and services.

GTS HVAC Inc. is a professional, woman-owned HVAC service provider. They design, fabricate, install and service residential and commercial heating, ventilation and air conditioning (HVAC) systems.

Guangdong Zhaoqing Deton Co., Ltd. is a professional manufacturer with the ability of design, production and sales of ventilation equipment. It covers an area of 200,000 square meters and has more than 1000 employees. Deton owns the largest ventilation equipment manufacture base in Southern China.

Guin Service is an HVAC company based in Birmingham. They are a family owned and operated HVAC company. Established as a group of specialized mechanics, Guin Service has grown as one of the Alabama’s largest HVAC Company that provides quality work and exceptional customer service.

Gulf Extrusions is an aluminium extrusion company, member of the Al Ghurair Group of companies. The company is strategically located in Dubai alongside its main supplier, Dubai Aluminium, and the foremost gateway to the world.

Güntner is a global pioneer in the manufacturing of refrigeration and air conditioning heat exchanger. The company has decades of experience in this field.

Heating and Cooling, Toronto is an experienced company that deals with heating and cooling services in the Toronto area. They are a major air conditioner and furnace service provider, who believe in providing quality solutions in lowest price.

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.

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.

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.

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.

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.

Hanon Systems aspires to be a pioneer in innovative thermal and energy management solutions and is steadfast in its commitment to create sustainable long-term success. To complement the vision are three strategic pillars that serve as a guide for all employees through clear and defined direction to achieve company growth.

HANTEMP Controls offers an innovative line of stainless steel valves, flanges, and other controls built to withstand the harsh conditions of today's industrial refrigeration systems.

Harbor Air Conditioning is a pioneer air conditioning company. Most of the energy used in the home goes out in cooling and heating, act smart to have the Air conditioning fixed which can have a big effect on their utility bills.

Harder Mechanical is a large nationally recognized contractor with an outstanding reputation for working safely, meeting tough schedules, delivering a quality project and coming in on budget. They provide HVAC, Plumbing, Process Piping, Steel Erection, Concrete Installation, Complex Equipment Installation, Design Assist/Build Service and much more.

Hardware & Electrical Co. L.L.C. (HEECO) was established in the year 1985 by Mr. Tommaso Briata and Mr. Abshir Mohamud with a vision to be the supplier of Building Materials, Hardware, Plumbing, Sanitary Pipes & Fittings and Electrical Equipment in the United Arab Emirates.

Harlen Johnson Heating & Air Conditioning is an HVAC company that provides reliable heating and air conditioning services for residential and commercial customers. They specialize in providing the most effective solution for the home or company.

Harmon Heating and Cooling Inc is an HVAC Company that provides remarkable HVAC services to both residential and commercial customers in Omaha and the surrounding counties.

Harris Air Heating and Air Conditioning is an HVAC company in Benton, AR. They specialize in repairing and installing all makes and models of heating and air conditioning units at affordable rates.

Hartell has manufactured innovative, high quality, condensate, wastewater, ice machine and general purpose pumps to the HVAC, plumbing and refrigeration industries.

Hartman Brothers Heating & Air Conditioning Inc is a full service HVAC company based in New Haven, IN. They offer a wide variety of products and services including installation; engineering; sheet metal fabrication; custom designed heating, cooling, and ventilation systems.

Harts Services was founded in Tacoma in 2013 by co-owners Richard Hart and Dan Hartsough. Harts Plumbers, Electricians and HVAC Technicians offers residential plumbing, electrical and HVAC solutions and has a 4.9/5 rating on Google. Guided by its motto, We Care More, the company is committed to incorporating a caring attitude into every aspect of the business.

Hastings HVAC, Inc. is a pioneer in commercial and industrial heating, ventilating and air-conditioning systems. They offer a company-staffed field solution to ensure Hastings' items are properly built, properly set up and correctly serviced.

Hatch Company was established in 1985 with over 30 years’ experience as a manufacturer’s rep firm serving Western Canada, and the northern Territories. They provide solutions for the HVAC/R marketplace, focused on institutional, commercial, multi-family residential, and industrial construction projects. They cater their services to both the new construction and the retrofit markets.