Swimming Pool Heat Pumps
Efficient pool heating when output, climate, water flow and installation are correctly matched
A swimming pool heat pump transfers heat from the surrounding air into circulating pool water. It can deliver more heat energy than the electrical energy consumed, but capacity and efficiency change with air temperature, humidity, water temperature and compressor speed.
Choose from detailed performance tables rather than the maximum recommended pool volume alone. Check rated heating output, coefficient of performance, minimum operating temperature, water-flow range, sound data, electrical demand, defrost control and required clearances.
Compare heat pumps at conditions that resemble the real pool installation
- Calculate pool volume, surface area and likely heat loss.
- Compare capacity and COP at relevant air and water temperatures.
- Check full-inverter, stepped-inverter or fixed-speed operation.
- Match water flow, unions and any specified bypass arrangement.
- Confirm running current, supply, protection and cable requirements.
- Plan unrestricted airflow, condensate drainage and noise-sensitive positioning.
Our practical view: Heat-pump model names are not a substitute for a heat-loss calculation. We compare output at realistic air temperatures, not just a favourable catalogue test condition.
Price range: £412.00 through £536.00 (inc VAT)
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Price range: £575.00 through £595.00 (inc VAT)
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Out of stock
Price range: £1,053.99 through £2,094.00 (inc VAT)
Price range: £1,899.90 through £9,878.90 (inc VAT)
Price range: £1,083.00 through £3,076.00 (inc VAT)
Price range: £999.90 through £2,804.90 (inc VAT)
Price range: £3,575.00 through £5,481.00 (inc VAT)
Price range: £1,247.90 through £2,404.90 (inc VAT)
Price range: £1,052.99 through £3,401.00 (inc VAT)
Price range: £2,045.95 through £4,095.95 (inc VAT)
Price range: £5,365.95 through £6,704.95 (inc VAT)
Price range: £2,495.00 through £6,980.00 (inc VAT)
Price range: £1,720.00 through £4,695.00 (inc VAT)
Price range: £1,320.00 through £5,410.00 (inc VAT)
Price range: £1,040.00 through £3,285.00 (inc VAT)
Compare Swimming Pool Heat Pumps at the real operating head
Swimming-pool heat pumps move ambient heat into the pool and are usually far more efficient than direct electric resistance heating. Full-inverter and step-inverter models vary compressor and fan speed to suit demand. The correct capacity depends on pool size, season, cover and climate. Siting affects both output and noise, so preserve the manufacturer’s airflow clearances.
What to check before ordering
- Compare rated output and efficiency at the temperatures you will actually encounter.
- Confirm single- or three-phase electrical requirements before ordering.
- Install a bypass so water flow through the heat exchanger can be set correctly.
Products you can compare in this section
Current examples include Poolex Nano FI Compact Full Inverter Heat Pump with Wi-Fi for Above-Ground Pools, Poolex Silverline Fi Inverter Heat Pumps with Wi-Fi for Swimming Pools, Poolex Jetline Selection Fi Inverter Heat Pumps with Wi-Fi for Swimming Pools, Remora Professional Inverter Heat Pump with Wi-Fi for Swimming Pools & Koi Ponds and Poolex Nano Ultra Compact Heat Pump with Wi-Fi for Above-Ground Pools.
Send us pool length, width, average depth, location, cover and desired swim season. We can then compare models on realistic warm-up and running expectations.
Need to compare the wider range? Return to Swimming Pool Heating for the surrounding product family.
Choosing a Swimming Pool Heat Pump
Recommended pool volume is only a starting point
The stated volume normally assumes particular climate, temperature and cover conditions. Exposed pools, longer seasons and higher target temperatures need greater capacity.
Inverter control can match output to demand
An inverter heat pump can vary compressor and fan speed within its design range. At reduced load it may operate more quietly and efficiently, while higher speed supports warm-up or greater demand.
COP changes as operating conditions change
Coefficient of performance is heat output divided by electrical input at a stated test point. It is not one fixed year-round value, so compare models using the same conditions.
Airflow and condensate need deliberate planning
The unit needs clear access to moving air and will create condensate during normal operation. Position it according to the manual, away from recirculating cold exhaust air and with suitable drainage.
Useful pages alongside Swimming Pool Heat Pumps: Swimming pool equipment · Pool filters · Pool heating · Pool heat pumps · Pool pumps · Pool water testing · Water testing and purifiers
Swimming Pool Heat Pumps Frequently Asked Questions
These answers provide general selection and maintenance guidance. Always follow the instructions for the exact product and installation.
How does a swimming pool heat pump work?
A refrigeration circuit absorbs low-grade heat from outdoor air and transfers it through a heat exchanger to circulating pool water.
What is an inverter swimming pool heat pump?
It can vary compressor and usually fan speed to modulate heating output instead of operating only at one fixed full-output state.
What does COP mean on a pool heat pump?
COP is the ratio of heat delivered to electrical power used at stated test conditions. Higher is more efficient at that point, but the value changes with conditions.
Will a heat pump work in cold weather?
Only inside the models specified operating range, and its available output and efficiency generally fall as the heat source becomes colder. Check low-temperature data and defrost operation.
Why is water dripping from beneath my pool heat pump?
Condensation is normal when moist air is cooled at the evaporator. However, check for plumbing leaks if the amount, location or water chemistry suggests another source.
Do pool heat pumps need a bypass?
Many installations use a correctly sized bypass for flow adjustment and isolation, but follow the exact heat-pump and hydraulic-system instructions.
How do I choose the right Swimming Pool Heat Pumps product?
Begin with accurate pool dimensions and volume, then compare intended use, hydraulic requirements, product limits, installation conditions, energy supply and ongoing maintenance.
Why should I check product performance at real operating conditions?
Maximum ratings are usually measured under defined test conditions. Installed flow, heating output, efficiency and noise can change with resistance, temperature and operating mode.
Can equipment for an above-ground pool be used on an in-ground pool?
Only when the manufacturer confirms compatibility with the pool type, water volume, plumbing arrangement, pressure, flow and installation environment.
Why do pipe size and fittings matter?
Undersized or restrictive pipework increases resistance, reduces delivered flow and can raise pump energy use or affect connected equipment.
Does swimming pool equipment need professional installation?
Electrical work and some plumbing or commissioning should be completed by suitably competent people in accordance with current rules and the manufacturer instructions.
How should pool equipment be protected in winter?
Follow the exact winterising procedure. It may include isolation, drainage, frost protection, cleaning and indoor storage, but requirements vary by product and installation.
How often should swimming pool equipment be inspected?
Use the manufacturer schedule and inspect more frequently during heavy use. Check flow, pressure, leaks, unusual noise, baskets, electrical condition and water-test trends as relevant.
Should I use genuine replacement parts and consumables?
Use parts, media, reagents and accessories explicitly approved for the exact model so fit, materials, calibration and safety ratings remain correct.
Can online guidance replace the product manual?
No. Category guidance helps comparison, but the current product manual and installation requirements control selection, installation, operation and maintenance.


