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Reduce overall energy costs by using “waste” energy from operations of a mall ice rink to off-set energy use in other building systems.

A heat exchange system to transfer “waste” energy to other building uses. Sources of “waste” energy are heat from generation of the ice skating surface, cold energy from melting ice shavings collected during resurfacing of ice rink, and cool condensate water from ice rink dehumidifiers.

Heat energy from the refrigeration process can be used to heat domestic hot water (locker/shower rooms), for refilling the hot water tank on the “Zamboni”(needed in ice resurfacing) ,and to provide heat for the sub-soil heating system beneath the ice rink floor (if the rink is at grade to prevent slab upheaval).
Cold energy from ice shaving and condensate water can provide pre-cooling of the mall’s chilled water air-conditioning system cooling tower and evaporative cooling system.

Some higher capital costs of systems connectivity through heat exchanger. Lower operational energy costs and CO2 emissions.

Reduction of energy consumption.

Access and proximity to other uses, like shopping, cultural and community centers that can share the “waste” energy.

1.5.3 Commissioning
1.6.3 Ground & Water Source
1.7.1 Cogeneration
1.7.4 Energy Recovery
1.8.2 Thermal Energy Storage