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What Size Air Source Heat Pump Do I Need for My Swimming Pool?

Heat pumps are one of the most economical and efficient ways to heat a swimming pool! Their energy efficiency is unparalleled, and there are countless benefits to using a heat pump.


At Shenling, to ensure you choose the right product for your pool, we have put together this guide to help you invest in the perfect-sized pool heat pump.


Factors to consider when determining the size of the pool heat pump:


Pool size

Your swimming habits


To make the most of the heat pump, you first need to select one that suits the local conditions. Taking this into account, your heat pump will provide more consistent and cost-effective performance.


Another thing to check is whether the heat pump’s size is appropriate, but how do you know what heat pump your pool needs?

Pool size and pool heat pump:


The pool size is an important factor when determining the size of the pool heater; the volume of water in the pool will determine how much power the pump needs. Our Shenling variable-frequency pool heat pump is designed to maintain regular swimming pools and has a power of 17.3 kW.


Of course, the larger the pool, the more powerful the pump should be. When determining the size of the pool heat pump, you need to know the volume of the pool.

heat pump installation

How to calculate the pool’s volume:

You can use our convenient swimming pool volume calculator to effectively calculate the volume of your pool!


Climate and pool heat pump:

The climate where the heat pump is located must be considered, as it will affect the intensity of the heat pump’s heating of the pool.


If you live in a warm area and have a medium-sized pool, you can easily invest in a smaller to standard-sized pool heat pump. Pool owners in colder climates will need a more powerful pool pump.


Pool heat pumps can still function properly in cold climates; they just need to work harder. Note the water temperature during the colder months, as this will give you an idea of how hard the pump needs to work.


Swimming habits and pool heat pump:

Your swimming habits may not necessarily affect the size of the heat pump, but they will impact the required heating speed.


A more powerful heat pump naturally has a better ability to quickly heat the pool. Even if you live in a warm environment, you may still choose to purchase a powerful heat pump to meet your continuous use of the pool.


That said, heat pumps are designed to provide flexibility and reliable heating in various climate conditions, so a standard-sized heat pump is generally sufficient. However, for additional protection, consider using a heat pump cover to shield it from harsh weather.

Looking for heat pump provider?

Shenling will be the best solution of how to use a heat pump in winter

How to calculate the required pool heat pump size:

The heating capacity of a pool heat pump is typically measured in kilowatts (kW). The size of the pump you need is determined based on the number of kilowatts required per hour for your swimming pool.


It’s essential to remember that different heat pumps have different coefficients of performance (COP), which means specific models have different power requirements. The best approach is to find the heat pump model you want and check the manufacturer’s specifications to determine the size you need.


However, if you want a rough guide to what to look for, here are some averages within our range:

Pool volume of 20-40 cubic meters: Cold air heating capacity (15°C) of 6 kW, Hot air heating capacity (26°C) of 8 kW.

Pool volume of 40-60 cubic meters: Cold air heating capacity (15°C) of 9.5 kW, Hot air heating capacity (26°C) of 13 kW.

Pool volume of 60-80 cubic meters: Cold air heating capacity (15°C) of 15 kW, Hot air heating capacity (26°C) of 25 kW.

Pool volume of 80-100 cubic meters: Cold air heating capacity (15°C) of 18 kW, Hot air heating capacity (26°C) of 30 kW.


We hope this guide helps you determine the size of the heat pump your pool needs; if you need more information, please contact one of our teams! We can help you choose the heat pump that best suits your pool size and system!

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