The cool air in an office tower, or the chilled trailer bringing food to a supermarket, may well come from Trane Technologies equipment. The company makes heating, cooling and ventilation systems for commercial buildings and homes, plus refrigeration units for trucks and trailers. After selling them, it keeps working on them: it services machines, sells building controls and helps owners use less energy. Most of the business is in the Americas, which brought in $17.2 billion of the group's $21.3 billion of revenue in 2025.
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