# Data Center Cooling Tower Market > Data Center Cooling Tower Market: USD 1.30 billion in 2026, USD 2.44 billion by 2035, 8.06% CAGR from 2025 as AI campuses add hybrid coolers. Publisher: DC Market Insights Author: Amit Jain, DC Market Insights Published: 2026-10-18 Last updated: 2026-10-18 Next review: Apr 2027 Page: https://www.dcmarketinsights.com/report/data-center-cooling-tower-market ## Key takeaways - NVIDIA's 45 °C Racks Enable Dry Coolers With Zero Water **Frequently Asked Questions** **What is the size of the Data Center Cooling Tower Market in 2026?** USD 1.30 billion in 2026, up 15.65% from USD 1.12 billion in 2025, according to DC Market Insights estimates. The market is projected to reach USD 2.44 billion by 2035, a CAGR of 8.06% from 2025. **How fast is the Data Center Cooling Tower Market growing?** 8.06% a year from 2025 to 2035, after 14.77% a year from 2020 to 2025. Growth slows because the evaporative share of new AI capacity falls from 48% to 30% as dry coolers spread, while rebuild and service work on the installed base rises. **What is a data center cooling tower?** USD 1.12 billion of 2025 spending covers equipment that rejects data center heat by evaporating water: open-circuit towers, closed-circuit fluid coolers and hybrid or adiabatic coolers, with installation, rebuilds and service. Pure dry coolers and chillers are excluded. **Which product type leads the Data Center Cooling Tower Market?** 45.0% of 2025 value, or USD 505.90 million, goes to open-circuit cooling towers. Hybrid and adiabatic coolers grow fastest at 12.39% a year because they use water only on the hottest days. **How much water does a data center cooling tower use?** About 9,800 cubic metres per MW of IT load a year for an open tower, in line with the 2.6 million gallons per MW that NVIDIA cites for evaporative designs. Hybrid and adiabatic coolers cut that by 75% to 90% (DC Market Insights estimate). **How much does data center heat rejection cost per MW?** About USD 95,000 per MW of IT load in a conventional hall and USD 140,000 in an AI hall in 2025, or USD 73 to USD 108 per kW of heat rejected, before 18% installation (DC Market Insights estimate). **Do AI data centers still use cooling towers?** 48% of new AI capacity used evaporative or hybrid heat rejection in 2025, falling to 30% by 2035 in the DC Market Insights base case, because 45 °C liquid cooling lets many AI halls use dry coolers, while grid-limited hot sites keep them. **Which region leads the Data Center Cooling Tower Market?** 44.0% of 2025 value, or USD 494.66 million, is spent in North America. Latin America grows fastest at 11.99% a year, and India is the fastest-growing large country at 14.82% a year. **Who are the leading data center cooling tower companies?** About 50% of 2025 value is held by SPX Technologies (Marley), Baltimore Aircoil Company and EVAPCO together (DC Market Insights estimate). Kelvion, Güntner, Johnson Controls, Hamon, Enexio and Delta Cooling Towers also compete. **Why do Data Center Cooling Tower Market estimates differ?** USD 1.30 billion in 2026 is the DC Market Insights figure for evaporative and hybrid heat rejection at data centers only. Estimates that add dry coolers, chillers or all cooling products are much larger. ## Dataset | Series | Value | Unit | | --- | --- | --- | | Market size 2025 | 1,120 | USD million | | Revenue CAGR | 8.06 | % | | Market size 2035 | 2,440 | USD million | ## Frequently asked questions ### What is the size of the Data Center Cooling Tower Market in 2026? USD 1.30 billion in 2026, up 15.65% from USD 1.12 billion in 2025, according to DC Market Insights estimates. The market is projected to reach USD 2.44 billion by 2035, a CAGR of 8.06% from 2025. ### How fast is the Data Center Cooling Tower Market growing? 8.06% a year from 2025 to 2035, after 14.77% a year from 2020 to 2025. Growth slows because the evaporative share of new AI capacity falls from 48% to 30% as dry coolers spread, while rebuild and service work on the installed base rises. ### What is a data center cooling tower? USD 1.12 billion of 2025 spending covers equipment that rejects data center heat by evaporating water: open-circuit towers, closed-circuit fluid coolers and hybrid or adiabatic coolers, with installation, rebuilds and service. Pure dry coolers and chillers are excluded. ### Which product type leads the Data Center Cooling Tower Market? 45.0% of 2025 value, or USD 505.90 million, goes to open-circuit cooling towers. Hybrid and adiabatic coolers grow fastest at 12.39% a year because they use water only on the hottest days. ### How much water does a data center cooling tower use? About 9,800 cubic metres per MW of IT load a year for an open tower, in line with the 2.6 million gallons per MW that NVIDIA cites for evaporative designs. Hybrid and adiabatic coolers cut that by 75% to 90% (DC Market Insights estimate). ### How much does data center heat rejection cost per MW? About USD 95,000 per MW of IT load in a conventional hall and USD 140,000 in an AI hall in 2025, or USD 73 to USD 108 per kW of heat rejected, before 18% installation (DC Market Insights estimate). ### Do AI data centers still use cooling towers? 48% of new AI capacity used evaporative or hybrid heat rejection in 2025, falling to 30% by 2035 in the DC Market Insights base case, because 45 °C liquid cooling lets many AI halls use dry coolers, while grid-limited hot sites keep them. ### Which region leads the Data Center Cooling Tower Market? 44.0% of 2025 value, or USD 494.66 million, is spent in North America. Latin America grows fastest at 11.99% a year, and India is the fastest-growing large country at 14.82% a year. ### Who are the leading data center cooling tower companies? About 50% of 2025 value is held by SPX Technologies (Marley), Baltimore Aircoil Company and EVAPCO together (DC Market Insights estimate). Kelvion, Güntner, Johnson Controls, Hamon, Enexio and Delta Cooling Towers also compete. ### Why do Data Center Cooling Tower Market estimates differ? USD 1.30 billion in 2026 is the DC Market Insights figure for evaporative and hybrid heat rejection at data centers only. Estimates that add dry coolers, chillers or all cooling products are much larger. ## How to cite Data Center Market Research & Consulting | DC Market Insights, "Data Center Cooling Tower Market", updated 2026-10-18, https://www.dcmarketinsights.com/report/data-center-cooling-tower-market