Published On 4/7/2026
Heat waves are no longer an exceptional event limited to the summer. Rather, they have become a recurring and more severe phenomenon in various parts of the world, with record temperatures recorded and periods of severe weather increasing as a result of climate change.
This continuous rise in temperatures no longer only threatens human health or natural resources, but its impact has extended to the digital infrastructure that the world relies on to operate its daily services, most notably artificial intelligence data centers, which form the backbone of artificial intelligence and cloud computing applications, but at the same time they depend on highly efficient cooling systems to maintain the stability of thousands of servers and processors operating around the clock.
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As heat waves intensify and demand for electricity and water increases, these centers find themselves facing increasing operational challenges that may affect the continuity of digital services and increase their operating costs. Therefore, talking about temperatures is no longer just a climate issue, but has become a technical and strategic issue that affects the future of artificial intelligence itself, and pushes technology companies to rethink the methods of cooling data centers, their design, and their construction sites to confront a world that is getting hotter year after year.
How can thousands of high-performance processors be kept cool in an increasingly hot world?
Artificial intelligence heats up data centers
AI data centers differ from traditional data centers because of their reliance on graphics processing units (GPUs) and specialized processors that consume huge amounts of power while training and running models.
Technical reports indicate that the heat generated by these chips has become one of the biggest operational challenges, as a large percentage of the electrical energy consumed turns into heat that must be disposed of immediately to maintain the safety of the equipment and stable performance.
For this reason, cooling systems have become an essential element in the design of modern data centers, and sometimes consume a large percentage of the total energy used within the facility.
Why are heat waves becoming such a problem?
In normal conditions, cooling systems depend on the presence of a temperature difference between inside the data center and the outside air or water sources used for cooling.
But during heat waves, the temperature of the air and water rises together, so cooling systems lose part of their efficiency, and compressors and chillers need to operate with greater energy to maintain the same temperature inside the server rooms.
According to an analysis published by Scientific American, rising temperatures increase pressure on water and electricity resources at the same time, which doubles the operational risks of artificial intelligence data centers.
High electricity consumption
Every additional temperature means more work for industrial HVAC systems, which will inevitably lead to increased energy consumption, higher operating costs, lower power use efficiency (PUE), and increased carbon emissions in areas that rely on fossil fuels.
Recent analyzes indicate that heat waves raise demand for electricity at a time when the efficiency of some power plants decreases, creating double pressure on the electrical networks that feed data centers.
When electricity itself becomes part of the crisis
The problem is not limited to the needs of data centers only, but also extends to the surrounding cities. During heat waves, millions of people use home air conditioners, raising electricity consumption to record levels.
When this coincides with massive demand from artificial intelligence centers, power grids may face the risk of reaching their operational limits. That is why some electrical grid operators in the United States have begun studying mechanisms that would require large consumers, including data centers, to switch to backup power sources when pressure on the grid increases to avoid widespread outages.
Water…a resource that is no less important than electricity
A large portion of data centers rely on water to help remove heat, whether through evaporative cooling systems or liquid cooling systems.
But heat waves are often accompanied by drought or lack of water resources, which makes operating these systems more difficult. Google explains that the design of cooling systems has become dependent on the conditions of each region. In places that suffer from water scarcity, the use of air cooling systems or closed water circuits is being expanded, while evaporative systems remain more efficient in water-rich areas because they reduce electricity consumption.
This reflects a difficult equation, which is that reducing water consumption may mean increasing energy consumption, and vice versa.
Incidents proved that the danger is real
These risks are no longer just theoretical scenarios. In the summer of 2022, data centers used by Google and Oracle in London were subjected to disruptions after temperatures exceeded 40 degrees Celsius, as cooling systems were unable to deal with the unprecedented conditions, which led to the cessation of some digital services.
One of the X data centers in California also witnessed a similar incident due to high temperatures. These incidents are an indication that digital infrastructure is becoming more climate-sensitive than previously thought.
Effects extending to the surrounding environment
In the same context, data centers not only produce heat inside their buildings, but recent research indicates that it may also affect the surrounding environment. A study led by researchers from the British University of Cambridge found that surface temperatures around artificial intelligence data centers are rising on average by about 2 degrees Celsius, with increases of up to 9 degrees recorded in some locations, a phenomenon the researchers called a “data heat island.”
Although these results are still subject to scientific follow-up, they reflect the amount of thermal energy produced by large data centers.
How are technology companies responding?
Major companies have realized that the future of artificial intelligence depends largely on the development of more efficient cooling technologies. Among the most prominent current trends are the shift to liquid cooling instead of relying entirely on air, the use of closed water circuits that reduce water consumption, the development of precise cooling technologies that reach directly to electronic chips, and the use of artificial intelligence itself to manage cooling systems and improve their efficiency.
Google has used machine learning techniques to manage its data center cooling systems and improve energy consumption, while Microsoft is working on advanced cooling technologies such as microfluidics and closed cooling systems that significantly reduce water consumption.
Redrawing the map of data centers
Many international companies have begun to reconsider the locations of new data centers. Instead of focusing solely on proximity to major cities or internet networks, factors such as annual temperatures, availability of water, stability of the electricity grid, and even fire and drought risks are now included in the criteria for selecting sites.
Recent analyzes indicate that more than half of the global data center capacity is located in areas exposed to high temperatures or water scarcity, making climate planning an essential component of digital infrastructure investments in the coming years.
The future of artificial intelligence and cooling
In light of the impact of the current heat waves, experts say that the real challenge facing technology companies is no longer just building more intelligent models, but rather building an infrastructure that can operate them efficiently in a world witnessing accelerating climate change. Cooling is no longer just an engineering detail inside data centers. Rather, it has become a strategic factor that may determine the speed of expansion and sustainability of artificial intelligence over the next decade.
