How to find the right product in our pool heat pump comparison

Would you like to be able to use your pool not only on the hottest days of the year but also in spring, autumn, or the evening hours without freezing? best pellet stove then you can purchase a pool heat pump with which you can regulate the water temperature and adapt it to your individual feel-good level.

Choose now a pool heat pump from our comparison table, which is equipped with an inverter, if you are looking for a particularly energy-efficient and durable heat pump. As various online tests have shown, the inverter pumps are also usually quieter and more space-saving than conventional models.

Buying advice: How to find the right product in our pool heat pump comparison 2022

The most important in a nutshell


  • Pool heat pumps suck in air from the environment and transfer the energy gained to the water. Depending on the model, a certain ambient temperature is required for the special heat exchanger to work.
  • It is essential to adapt the performance of the device to the size of the pool in order to allow efficient heating. Especially for large pools with more than 20m³ pool heat pumps with inverters are also recommended.
  • The length of time it takes for a pool heat pump to heat up the entire pool depends on the water flow value. This indicates how many cubic meters of water can be heated per hour.

Do you have an indoor or outdoor pool that you would like to design, clean, and temper according to your ideas? Then, in addition to important pool accessories such as a pool robot and a pool cover, you will lack a suitable pool heat pump set.

In our purchase advice in 2022, we will introduce you to some of the most popular pump brands, the most important selection criteria, and how the devices work. So you too can easily find your personal pool heat pump test winner.

Are our pool heat pumps also suitable for installation pools?

In fact, special pool heat pumps for pools to set up and large paddling pools are also offered. These are often particularly compactly dimensioned and can therefore be set up and dismantled quickly and easily. In addition, the performance of the pool heat pumps is significantly lower, as installation basins usually hold a significantly lower amount of water. Seven kilowatts or less is common.

How does a pool heat pump work?

You have several options to heat your pool if you want to use it in the evening, morning, or basically on cooler days. So you can opt for heating systems based on electricity and gas or pool heat pumps, which are also offered as air-to-water heat pumps.

The heat pump consists of a fan, a compressor, a condenser, and an expansion valve. In addition, some models with filter systems are offered. Usually, however, pool heat pumps come without a filter pump, as they can be integrated into the existing filter circuit.

First, the ambient air is sucked in by the fan. It is particularly practical if it sits on top, as you then have to pay less attention to a sufficiently free area in front of the said fan and can place it more flexibly.

The air is thus fed into the heat pump and over the surface of a heat exchanger, causing it to heat up. The resulting heat is absorbed by the coolant contained in the heat exchanger, which then assumes a gaseous state.

The gaseous, heated coolant is passed through a compressor, in which it is compressed even more and thus further heated. The now hot coolant enters the condenser (condenser), in which the transported heat is transferred to the pool water circulating in loops.

If the temperature has been increased in this way by the pool heat pump, the coolant cools down and liquefies again. calculate pond pump size then the circuit of the pool heating starts again.

Since the sucked-in air in the pool heat pump has a direct influence on how quickly and how intensively the coolant is heated, the temperature of the ambient air is also crucial for the healing process. The warmer the sucked in air, the faster the pool water is heated.

Many devices are also suitable not only for heating but also for cooling the pool water. Especially inverter devices often also pool heat pumps with cooling function.

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