10 Best Environmental Stocks to Buy

6. Trane Technologies plc (NYSE:TT)

 Number of Hedge Fund Holders: 62

Yet another manufacturer of HVAC systems and climate solutions, Trane Technologies plc (NYSE:TT) is known as a climate innovations leader in the sustainability solutions space. The company produces efficient solutions for buildings and transportation under its two brands, Trane and Thermo King. The company was recently recognized in the Top 10 of JUST 100 2025, by JUST Capital solidifying its position as a climate solutions leader.

Trane Technologies plc (NYSE:TT) constantly works towards expanding its sustainable activities and has invested $470 million in 2024 in mergers and acquisitions aimed at building AI servicing capabilities. The most recent is a critical expansion in its thermal management systems capabilities that will cater to mission-critical infrastructure and environments, and the launch of its new liquid cooling Trane Coolant Distribution Unit (CDU) providing cooling solutions for the IT racks and data centers. Trane Technologies plc (NYSE:TT) saw a 12% year-over-year increase in revenue in 2024, touching a $19.3 billion mark, and a revenue of $4.8 billion in Q4. The company is looking at its commercial HVAC segments in data centers, education, healthcare, and services to continue to drive revenue growth in 2025. However, the stock still seems to be grappling with the DeepSeek news in its AI systems and looming market concerns. However, leadership changes and the onboarding of Xylem’s CEO as the new President might be indicative of interesting updates and expertise in sustainability, in its position as an environmental stock.