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According to the U.S. Environmental Protection Agency (EPA), geothermal heat pumps are the most energy-efficient, environmentally clean, and cost-effective systems for temperature control. Although, most homes still use traditional furnaces and air conditioners, geothermal heat pumps are becoming more popular. In recent years, the U.S. Department of Energy along with the EPA have partnered with industry to promote the use of geothermal heat pumps.
Even when it's very cold outside, heat needs to be extracted from the surface of the ice to maintain the skating surface. This heat can be captured and used to heat the building, provide snow melt on the outside sidewalks or heat a building next door. If it can't be used, the heat is stored in the earth loop around the building, ready to be used when needed. Instead of spending money to get rid of the heat you take out of the ice and then using more energy to heat the building, the geothermal system recycles the heat inside the building. It leaves more of the budget to promote the rink and skating programs and it's a lot better for the environment. Integrated Systems can get up to 7 units of energy for each unit of electricity purchased.
The Roseville Arena geothermal system is the first phase of what may become a campus wide heating and cooling system. The waste heat from the Arena and eventually the OVAL refrigeration systems could provide enough energy to heat City Hall and the maintenance garage.