Most efficient way to dissipate heat from computer server and A/V racks
Hi! I am in the process of building a large home, 9000+ sq ft here in the SF Bay Area, where climate is very mild, and the HVAC is dominated by cooling load. We are using a S-series Mitsubishi VRF system with multiple indoor zones and the home will be quite tight and designed to be very efficient.
We have a full size basement, and one room will be a storage room that will also have 3 racks of computer equipment, which consumes about 2 KW of power more or less continuously. While we could put a small VRF indoor unit in that room to cool the computer equipment, I was thinking a more economical approach would be to vent the air from the top of 3 racks to the outside using a panasonic bathroom exhaust fan and balancing that with an equivalent panasonic whisperline inline fan blowing air from the normally cool outside into the base of the racks.
This would avoid having to deal with running the VRF system continuously, and the fans could speed up and down depending on temps in the equipment. The A/V amps from the house will be in the racks as well, so load can vary a bit.
The storage room has a wall on the side of a lightwell, so it’s easy to get ducting to the outside. I don’t mind if the storage room gets cooler than the rest of the house – if anything that would be a plus as it will help keep supplies down there fresher longer.
The climate here is not very humid, so I think there would not be a moisture concern, but wanted to get folks opinions on this option.
Any comments or suggestions would be super helpful to me!