Geothermal Heating
Many residential and commercial buildings use natural gas and
electricity to supply heat. The result in using these types of heating methods
creates methane. In the past 10 years natural gas consumption was 1/5 of the
total energy consumed in the world and 1/3 in the US. Natural gas and petroleum
systems make up 30% of methane emissions in America.
A great alternative for heating and cooling buildings is
geothermal heat pumps. These geothermal pumps are able to use the natural heat
from the earth to create steam or to chill the water in order to heat and cool
buildings. With this great tool it reduces the need for using other sources
such as natural gas.
Portland State University installed a geothermal system to improve
on their overall goal for sustainability. Four geothermal heat pumps were
installed which are used to control the climate of 15 buildings around campus.
Not only does this help reduce emissions that would have been used to heat and
cool these buildings, but it also reduces utility costs for the university.
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