December 1, 2023


Swimming pool heat pumps are an efficient and cost-effective way to heat your swimming pool. Unlike gas or electric heaters, heat pumps use electricity to transfer heat from the surrounding air to the pool water. Here’s how pool heat pumps work.

Air is drawn in:

The heat pump draws in warm air from the surrounding environment. Even when the outside air temperature is more relaxed, there is still enough heat energy present in the air to transfer to the pool water.

Refrigerant is heated:

The warm air passes over a heat exchanger that contains a refrigerant. The refrigerant absorbs the heat energy from the air and becomes a gas.

The compressor compresses the gas:

The compressor then compresses the gas, which causes its temperature to rise even higher.

Hot gas passes through a heat exchanger:

The hot gas then passes through another heat exchanger, where the pool water flows. As the hot gas flows through the heat exchanger, it transfers its heat energy to the pool water, raising its temperature.

Gas cools and becomes liquid:

The cooled gas then passes through an expansion valve, which reduces its pressure and causes it to cool down. This causes the gas to become a liquid again.

The process starts over again:

The liquid refrigerant then flows back to the first heat exchanger, where the process starts again.

The entire process is continuous, and as long as warm air is available, the heat pump can continue transferring heat energy to the pool water because heat pumps don’t generate heat but transfer it from the surrounding environment so that they can be much more energy-efficient than other pool heaters.

One of the main benefits of using a heat pump to heat your pool is that it can significantly reduce your energy costs compared to gas or electric heaters. Heat pumps use electricity to power the compressor, but they don’t need to generate heat to warm up the pool water, which can be much more expensive.

Heat pumps can also be used in warm and cold climates, making them a versatile option for pool owners. If there is heat energy in the surrounding air, the heat pump can transfer it to the pool water, even if the air temperature is more relaxed.