12
Closed Loop
Geothermal
Application
Considerations
(Closed) Ground Loop
Heat Exchanger
Geothermal Space
Heating / Cooling
Temperature
Refrigeration
Equipment
Hydronic Ice
Melting Via
Unit
a Water-to-Water
Geothermal
Integrated System
The Trane ground source heat
pump is highly efficient in service
station applications.
This integrated system design
takes advantage of the earths
relatively constant temperature
(45 F to 70 F) to space condition
the building.
I
n addition,
appliances such as freezers, ice
makers and a display coolers may
be added to the loop for further
gains in the reduction of consumed
energy.
Cold climates may take an even
greater advantage of the heat
rejected by the stores refrigeration
equipment and space conditioning
heat pumps. This rejected heat
may be used by Trane’s water-to-
water heat pump(s) to heat water
for a car wash and melt ice off of a
driveway (allowing the car wash to
remain open all winter).
This integrated system also
eliminates thermal short circuiting
between the intakes and the
exhausts of an air cooled
refrigeration system.
Typical Benefits
q
Annual energy savings means
lower operational costs
q
Takes advantage of the earths
constant temperature rather
than high fluctuation of ambient
temperature
q
Heat energy rejected from the
space conditioner can be
utilized for ice or snow melting
of a parking lot in colder
climates
q
Two to three year estimated
payback on installation costs
