Geist Variable Speed Fan Controller: “Steps on the Gas” or “Hits the Brakes” as Enclosure Cooling Needs Fluctuate
From the green perspective on data center cooling, keeping rack fans running full tilt all the times is the equivalent of revving your engine nonstop while sitting through a red light, or keeping an oven preheated 24/7 so that it’s ready to go if and when you feel like baking something. In other words, it’s needless, wastes crazy amounts of energy, and causes unnecessary wear and tear on the components left running (i.e. the fans).
That’s not to say that cooling isn’t one of the most important elements of a well-run server room. Rack fans are, in many cases, a must, and they need to be left on to adequately circulate air and keep things comfortable for temp-sensitive computer equipment. The point is that they don’t have to be run at high speed all the time to do their job. It’s actually possible to keep a server enclosure at an optimal temperature with fans running at lower speeds and using less energy. Considering the stat I recently read that said cooling costs alone can swallow up to 40% of a data center’s energy budget, why wouldn’t you want to make some smart pare-downs wherever possible? Your data center will be that much greener for the energy savings, and the lower electricity bills won’t hurt your budget either.
So, how do you accomplish these energy-conserving fan speed adjustments? It’s easier than you might think. Geist’s Variable Speed Fan Controller mounts right into a server enclosure, and based on temperature parameters that you set, adjusts fan speed as needed when temp readings fluctuate. If things are warm but not too stuffy, fans will be run at a gentler speed, saving you unnecessary wear and tear on your ventilation fans, as well as pointless overspending on energy. But when that equipment kicks into high gear and starts cranking out the BTUs, the fan controller senses the rise in temperature, and makes the fans work harder. Exactly what you need, when you need it.
The Geist Variable Speed Fan Controller also has a web interface, and can be set to warn you via e-mail, SNMP traps or XML when temperature conditions get out of control and warrant your personal attention. You can also adjust fan speeds remotely by way of the web interface, so it’s a perfect option for business owners or data center managers who need peace of mind even when they’re on the go.