One
of the best ways to conserve energy on any mechanical system is by reducing the
number of equipment. This was the goal in mind when
manufacturers created water source heat pumps.
Water
source heat pumps work by tranferring heat from one system that is trying to
lose heat, to another system that is trying to gain heat. As described above,
water source heat pumps utilize heat given off of by other equipment and
transfer it through a heat exchanger to heat up water. Cold water is
guided through a heat exchanger where heat is transferred through a series of
plates or tube, and that heat is used to heat up the cold water.
Similar to water source heat pumps and ground
water cooling, there are geothermal heat pumps. Geothermal heat
pumps work by using "constant temperature of the earth as the exchange
medium instead of the outside air temperature which allows the system to reach
fairly high efficiencies (300% to 600%) on the coldest winter nights, compared
to 175% to 250% for air-source heat pumps on cool days" (Geothermal Heat
Pumps 2012). In lieu of utilizing heat given off by
other systems or equipment, geothermal heat pumps use ground temperature to
transfer heat.
Geothermal Heat Pumps (2012).
ENERGY.GOV. Retrieved from
http://energy.gov/energysaver/articles/geothermal-heat-pumps
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