Answer: Most technology experts and companies (Enviromon included) will tell you that the optimal or recommended server room temperature is between 64.4F and 80.6F (or 18ºC to 27ºC) with relative humidity should be between 45-50%.
Although this is simply a recommendation. There are a lot of opinions out there are about what is the ideal temperature for server rooms and data centers, because there are so many variables to consider such as server mix, cooling arrangement and load conditions. Although you can be sure that your equipment will be safe if your server room temperature is regularly operating in the recommended 64.4F and 80.6F range, which based on the (ASHRAE) ANSI/ASHRAE Standard 90.4-2016, Energy Standard for Data Centers. In this range the server’s normal CPU temperature should be maintained within This gives enough “wiggle” room, that if a device is running a bit hotter for a short period of time, that the room and device temperature has some leeway before reaching that potential “meltdown” point. Additionally, at this range, you are not over cooling your server room which does little to affect performance if your servers are newer and working properly, and the added expense of over-cooling can add up.
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