Energy Efficiency at the Sir Wilfrid Laurier School Board

An informational and awareness website

Heat Pump - Heat Recovery

A heat pump works on a similar cycle as a refrigerator.  The main difference is the side of the cycle that we use.  A refrigerator cools down the food it contains by rejecting the heat out the back, whereas the heat pump uses this heat. You can see this at home by feeling the air behind the refrigerator!  Notice that it contributes to the heating of the kitchen all year long, an advantage in the winter, but a disadvantage in the summer.

A heatpump can withdraw heat from the outside air and/or from an inside room that needs cooling, just like a refrigerator cools down the food it contains.  The recovered heat is then reused to heat up cooler rooms in the school.

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