Geothermal heat pumps (GHPs), also known as ground-source heat pumps, are similar to ordinary heat pumps, but use the thermally stable mass of the earth below the ground instead of outside air to provide heating, air conditioning and, in most cases hot water as well. Because these systems use the earth’s natural reservoir of stable temperatures, they are among the most efficient and comfortable heating and cooling technologies around. GHPs can save substantial amounts of energy and significantly reduce peak demand in buildings that incorporate them.
For the second year in a row, ComputerWorld has showcased the achievements at 12 IT departments that are reducing power demands and using technology to create energy efficiencies. Thirty criteria were used to determine which organizations had the greenest IT departments. The IT departments selected include: Mohawk Fine Papers, State Street, Allstate, Citigroup, PricewaterhouseCoopers, State of Indiana, KPMG, Seventh Generation, Office Depot, Burt’s Bees, Marriot and Austin Energy. Find out why these organizations were selected.
The GREEN CLOUD UPDATE, a regular feature that covers current news in the green cloud computing space looks at the following stories: The Environmental Protection Agency will announce Energy Star performance rating for data centers; Advanced Micro Devices introduces new Energy Efficient processor, designed for very dense data center environments; SAS to build USD 70 million cloud computing facility built according to Leadership in Energy and Environmental Design (LEED) standards for water and energy conservation.
The U.S. Environmental Protection Agency recently released a list of U.S. metropolitan areas with the largest number of energy efficient buildings in 2008 that have earned EPA’s Energy Star. The list is headed by Los Angeles, San Francisco, Houston, Washington, D.C., Dallas-Fort Worth, Chicago, Denver, Minneapolis-St Paul, Atlanta and Seattle. “Energy Star buildings typically use […]
