Cooling a Network Room: Airflow, Air Conditioning and Noise What changes once you have more than one rack. Part 2 of two. A single wall rack in a home or small office is a simple problem: ventilate it, keep it dry, keep it clean. Once there is more than one rack, the room itself becomes the cooling system, and a few new things start to matter. The reasons have not changed. Heat dries out the capacitors inside every power supply, and lead-acid UPS batteries lose half their des

Why Your Network Rack / Cupboard Needs to Breathe Heat, humidity and dust in a small home or office rack — a plain guide for Mumbai. Part 1 of two. Most people never open the cupboard where the router, switch and UPS live. It hums quietly, the internet works, and that is the end of the conversation. But that little box runs 24 hours a day, every day, and every watt it draws comes back out as heat. In a closed cupboard, that heat has nowhere to go. In Mumbai we have two more p