5 Fastest-Growing Data Center Cooling Stocks to Invest in Right Now

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1. Comfort Systems USA, Inc. (NYSE:FIX)

Comfort Systems USA, Inc. (NYSE:FIX) is one of the fastest-growing data center cooling stocks to invest in right now. The company’s current investor angle is tied to Wall Street’s growing confidence that AI data center construction can keep driving demand for its mechanical and HVAC services. On June 8, 2026, UBS raised its price target on Comfort Systems USA to $2,125 from $1,992 and maintained a Buy rating after meeting with management. The firm said company comments pointed to a robust demand backdrop led by data centers, with strength also coming from semiconductors, healthcare, and education, and saw evidence that the current environment could persist through 2027.

The growth profile supports that view. Comfort Systems reported first-quarter revenue of $2.87 billion, up 56.8% year over year, while same-store revenue increased 51%. Backlog also rose to $12.45 billion from $6.89 billion a year earlier, giving the company strong visibility as customers continue building large, complex facilities. For this list, Comfort Systems’ relevance comes from its role in constructing the mechanical backbone of data centers, including HVAC, piping, controls, modular construction, and related cooling infrastructure.

Comfort Systems USA, Inc. (NYSE:FIX) provides mechanical and electrical contracting services, including heating, ventilation, air conditioning, plumbing, piping, controls, modular construction, and related services.

While we acknowledge the potential of FIX to grow, our conviction lies in the belief that some other AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than FIX and that has 100x upside potential, check out our report about the cheapest AI stock.

READ NEXT: 30 Stocks That Should Double in 3 Years and 11 Hidden AI Stocks to Buy Right Now.

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