Recycling Waste Heat
Waste heat recovery is the process of taking the heat from a heat emitting piece of equipment, like a computer, and using it for heating something else - rather than just dissipating it to the environment ... and potentially saving the cost of air conditioning.
"... waste heat recovery, an energy efficiency technique that languishes in obscurity despite its potentially huge environmental benefits. ... in a move that will save money and cut carbon emissions, the University of Notre Dame in Indiana has begun housing some of its computer servers in the nearby “Arizona Desert Dome,” a conservatory for cacti and other desert plants.
"Computer servers create a lot of waste heat ... keeping them cool is a major cost ... for data centers. ... Housing servers in the desert dome, where air currents can carry away their waste heat, is expected to save the university about $100,000 in cooling costs. Meanwhile, the city will save some of the $70,000 it spends each year to keep the conservatory warm. ..."
"Recycled waste heat presents one of the biggest, cheapest opportunities for slashing our carbon budget. ..."
Via: TerraPass Link