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Listen up, folks! The old way of thinking when it comes to data centers is “the colder, the better.” But guess what? Some leaders in the industry are saying we can run our data centers hotter without sacrificing uptime and with massive savings in cooling costs and CO2 emissions. One manufacturer even claims their servers can handle inlet temps up to a scorching 104 degrees F!

Why mess with the status quo, you ask? Because the cooling infrastructure is a serious energy hog. That thing’s running 24/7, consuming electricity to maintain a computing environment as chilly as 55 to 65 degrees F. But studies show that raising server inlet temps can result in significant energy savings and provide more hours of free cooling through air or water-side economizers. That’s not just good for your bottom line, but for the planet too.

Of course, there are arguments both for and against raising server inlet temps. On the one hand, you’ve got influential end users who are already running hotter data centers, reaping the rewards of energy efficiency. On the other hand, some worry about the effect on reliability and equipment warranties, as well as the discomfort of working in a potentially very warm data center.

But here’s the thing: higher inlet temps don’t have to compromise reliability or employee comfort. You just need to make sure your cooling system is up to snuff and implement best practices in airflow management (yes, computational fluid dynamics can help with that). And if you start with low-cost solutions like using blanking panels and grommets, you might be surprised at how quickly you can improve efficiency and cut costs.

So let’s break free from the “the colder, the better” mindset and find our sweet spot for temperature settings. With proactive measurement and analysis, we can achieve smaller energy bills, reduce our carbon footprint, and show the world that we take corporate responsibility seriously.
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Ihab Salloum