Winter: The temperature should be maintained at 20°C ± 2°C. The relative humidity should be within the range of 40% to. According to the American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE), server rooms should be kept at 59 degrees F to 89. However, many experts suggest a range of 64. 4 degrees F and. Most electronic devices can operate up to 30-40˚C and server brochures and datasheet specifications may state that their devices can work up to this temperature range without derating, but the fact is that heat kills electronics. To properly cool your home networking cabinet, you first need to understand where the heat comes from. Different devices produce different amounts of heat, and knowing this helps you plan your cooling. When specifying the environmental control for an IT space the recommended requirements are 21+-3 degrees Celsius and 40% to 60% relative humidity. It appears almost all network switches I come across now has at least an operating temperature range of 0 to 40 degrees and humidity range between 15%. On this page you will find the standards recommended by ASHRAE for monitoring the environment in your data center or server room. Environmental standards are provided for rack level monitoring, ambient monitoring and water leak. Controlling the temperature in server cabinets is crucial for the reliability and longevity of your IT infrastructure.