Established in 1959, Watts Engineering Sales, Inc. is a renowned manufacturer’s representative in the HVAC business. Watts Engineering serves the needs of mechanical engineers, mechanical contractors, architects and other industry professionals as a representative for top-tier manufacturers producing top-shelf HVAC equipment. Their products include unit heaters, duct heaters, fire dampers, grilles, ceiling diffusers and fans.

Weatherking Heating & Air Conditioning provides solutions like Air Conditioning, Heating, Air Quality, etc and is based out of USA.

Whitehead is a building services company providing the full range of mechanical, electrical and management services. They design, install, test/commission, manage and maintain buildings across the UK. Whitehead provides heating, lighting, ventilation, power and water services.

Wholesale Heating Supply Co. are US-based renowned distributors of quality heating and cooling products. They are specialists in furnaces, air conditioners and hot water heaters, sheet metal and filters.

Wilson Energy Ltd is one of the UK's pioneering providers of fully integrated Heating, Metering, Pre-Payment, and Billing & Bureau Services for residential homes and commercial developments.

Wittichen Supply Company is a wholesale distributor providing the best in class HVAC/R equipment, parts, and supplies to licensed HVAC/R contractors in the Southeastern United States

Wolseley UK is a plumbing, heating and cooling trade specialist merchant. They specialize in the distribution of plumbing, heating and building materials, logistics, supply chain, procurement, e-commerce, wholesale trade, retail, customer service, plumbing, heating, cooling, infrastructure, drainage, and pipes.

Zoro makes it quick and easy for all industries, professions and trades to get the tools and equipment they need. Zoro's extensive range of over 310,000 products includes everything from power tools and chemicals to personal protective equipment, from all the leading brands.