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Our Guide to Swimming Pool Heat Pumps. What is the Right pump for you? Air Source vs Ground Source.

Heating your pool efficiently is crucial for both cost-effectiveness and sustainability. Swimming pool heat pumps are a great option for those looking to heat their pool efficiently. In this blog post, we'll explore the importance of pool heating, the benefits of swimming pool heat pumps, the associated costs, and the efficiency of different types of heat pumps.

-            Why Get a Swimming Pool Heat Pump?

-            How Much do they Cost?

-            Air Source Heat Pumps

-            Ground Source Heat Pumps

What are Heat Pumps and How do They Work?

Heat pumps are devices that extract heat from the air or ground and transfer it to the pool water. They work like refrigerators, using a fan to draw in heat from the surroundings and a compressor to increase its temperature. As a result of this process, they are an energy-efficient option for heating a pool.


Why Get a Swimming Pool Heat Pump?

The key reason for investing in a heat pump for your pool is their efficiency. Heat pumps can deliver up to 14 units of heat for every 1 unit of electricity used, making them a cost-effective and environmentally friendly choice. Heat pumps use inverter technology for variable speeds, allowing the user to adjust the pump to the pool’s usage and further enhance efficiency.


How much do they cost?

While the upfront costs of swimming pool heat pumps may vary, their running costs are notably lower than many other heating options. With a high coefficient of performance (COP), heat pumps can provide noticeable energy savings, making them a long term economically and environmentally sustainable option.


How Long does it take for a heat pump to heat a pool?

The time it takes for a heat pump to heat a pool depends on factors like the size of the pool, the power of the heat pump, and the ambient temperature. Typically, it ranges between 24 to 72 hours to raise the pool temperature by 11°C.


Air Source Heat Pump

Air source heat pumps capture heat from the air and transfer it to the pool water. They are easy to install and provide an energy-efficient solution to heating your pool.

The key advantage of air source heat pumps is their ease of installation and versatility. These pumps can be easily integrated into existing pool systems. Furthermore, they allow users to set the temperatures they want and let the heat pump do the work.

Another benefit of Air source pumps is their compatibility with renewable energy sources. They can be easily connected to solar panels, further reducing energy costs and enhancing sustainability. Additionally, these pumps have modern inverter-driven models that are capable of adjusting their output to match the pool's heating demand more precisely.

Noise levels are a common concern with heat pumps, but advancements in fan motor technology have minimized their noise output. Some models, like the RA variant, feature a plastic circulating fan, reducing operational noise and making them suitable for both outdoor and indoor environments.

In summary, air source heat pumps provide a convenient, energy-efficient, and environmentally friendly means of heating swimming pools. Their compatibility with renewable energy sources and automation features make them an attractive choice for pool owners seeking a modern and sustainable heating solution.


Ground Source Heat Pumps

Ground source heat pumps extract heat from the ground using horizontal or vertical loops. They are highly efficient, boasting a COP of around 4, making them the most efficient heating system. These pumps are customizable for various pool sizes and are compatible with renewable technologies like solar thermal.


Ground source heat pumps (GSHPs) stand out as environmentally friendly and efficient solutions for heating both indoor and outdoor swimming pools. These pumps utilize the stable temperature of the ground to extract heat, offering a highly customizable heating method for pools of various sizes.


GSHPs employ horizontal ground loops or vertical closed-loop systems to capture heat from the ground. The horizontal loops, buried in trenches, span around 100 meters and are approximately 1 meter deep. In cases where space is limited, vertical closed-loop systems use boreholes drilled to an average depth of 100 meters. These loops circulate a water and anti-freeze solution, collecting energy from the ground and transferring it to a compressor, which raises the temperature to usable levels for pool heating.


The efficiency of ground source heat pumps is a notable highlight, with well-performing units producing approximately 4kW of heat energy for every 1kW of electricity. This impressive efficiency, around 400%, surpasses that of modern gas boilers, making GSHPs a cost-effective and sustainable choice.


GSHPs are also compatible with variable tariffs that offer 100% renewable electricity, enhancing their environmentally friendly profile. These pumps integrate with smart heating systems, allowing users to optimize electricity use based on cost and maintain preferred temperature and heating schedules through smartphone apps.


In summary, ground source heat pumps provide a reliable, eco-friendly, and cost-efficient solution for heating swimming pools. Their adaptability to various pool sizes, longevity, and compatibility with renewable energy options make GSHPs an attractive choice for both domestic and commercial pool heating needs.


In conclusion, swimming pool heat pumps, whether air or ground source, offer efficient and environmentally friendly solutions for pool heating. Their numerous benefits, including high efficiency, cost-effectiveness, and compatibility with renewable energy, make them an ideal choice for maintaining a warm and inviting pool.

If you would like a swimming pool heat pump, contact Ocean Pools today at: or 01902 670717.


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