Who is the biggest HVAC company in Canada?

The biggest HVAC company in Canada by market presence and sales is difficult to determine because the Canadian HVAC market is served by many large multinationals rather than a single dominant Canadian-owned company, but the largest players include Lennox, Carrier including Bryant, Trane, Daikin including Goodman and Amana, and Napoleon which is a Canadian-owned company. Among Canadian-owned HVAC manufacturers, Napoleon Heating and Cooling, headquartered in Barrie, Ontario, is one of the largest Canadian-owned HVAC companies making furnaces and air conditioners. However, by overall market share for residential HVAC equipment sold in Canada through dealers, Lennox, Carrier, and Trane are typically the top three in terms of units installed, with Lennox often cited as having strong Canadian distribution and manufacturing presence. Daikin has become very large globally and has significant presence in Canada through its Goodman and Daikin brands for ductless and central systems. For commercial HVAC in Canada, Trane Technologies and Johnson Controls including York have large market shares for large chillers and building automation. So there is no single biggest Canadian HVAC company that dominates like a monopoly, but Lennox, Carrier, and Trane are the biggest by installed base, while Napoleon is the biggest Canadian-owned manufacturer.