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Above Ground Pool Heaters

9 Best Above Ground Pool Heaters 2025 in the UK

#1

Winner

9.9 score

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E-Stores Direct

Lay-Z-Spa Heater Pump Unit With Freeze Shield Technology UK Plug

Type of Heater: Lay-Z-Spa Heater
Installation and Maintenance: easy to install

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Chosen by 1285 this week

#2

9.8 score

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Wonderman Tools

Lay-Z-Spa Hot Tub WiFi Enabled Airjet Plus Pump Pool Heater | for All AirJet Models | Lazy Spa Pump | P05335

Type of Heater: Airjet Plus Pump Pool Heater
Installation and Maintenance: Lightweight and manageable

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#3

9.5 score

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Intex

Intex 28212UK Metal Frame Pool Set, Blue, 12 ft x 30-Inch & Eco-Friendly Solar Heating Mat for Swimming Pools #28685

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#4

9.2 score

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Gre

GRE HPM30 - Mini Heat Pump for Above Ground Pools up to 30 m3

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#5

9.0 score

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vidaXL

vidaXL Solar Pool Heater Panel – Eco-Friendly, Temperature Increase up to 10 Degrees, Compatible with Most Pumps, Simple Installation Process, Size 80x620 cm

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#6

8.7 score

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Generic

Swimming Pool heat pump- swimming pool heater 4.2kw, Black (Nm15)

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#7

8.4 score

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vidaXL

vidaXL Curved Pool Solar Heating Panels 2 pcs, Pool Heater with Hose, Solar Heater for Swimming Pool Outdoor, Heating System, 72.5x46 cm

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#8

8.1 score

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Premier Blue

Premier Blue Solar Pod Heater for Swimming Pools

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#9

7.8 score

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Bluetooth earphone

10 Ft Round Solar Pool Cover Heating Blanket for Spa, Hot Tub, Round In-Ground and Above-Ground Swimming Pools, Endothermic Protector Thermal Blanket for Paddling Pools And Outdoor Villa Garden

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How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Lay-Z-Spa Heater Pump Unit With Freeze Shield Technology UK Plug

9.9  score

Lay-Z-Spa Heater Pump Unit With Freeze Shield Technology UK Plug

E-Stores Direct

9.9  score

Check price

Rating
9.9
Chosen by1,285
Heating Capacity
Installation and Maintenance
Heating Capacity
The new pump works like a dream, heating well and being quieter than the old one.
Installation and Maintenance
Easy installation and perfect functionality make this pump a great replacement for a worn-out unit.

The Lay-Z-Spa Heater Pump Unit with Freeze Shield Technology is designed for those who own AirJet models of Lay-Z-Spa, including both the 2021 version and earlier models. One of its strengths is its compatibility with multiple spa models, making it a versatile choice for AirJet users. The Freeze Shield technology is a standout feature, allowing the heater to function all year round, which is particularly valuable in colder climates where the risk of freezing can be a major concern.

This unit powers the Lay-Z-Spa massage system, adding an extra layer of relaxation to your spa experience. The inclusion of a timer function is another user-friendly feature, offering convenience by automatically heating the water. Installation and maintenance seem straightforward, as the product is aimed at home users.

Weighing about 12.74 kg, the heater pump unit is relatively portable. It ranks highly in pool accessory parts, indicating its popularity among users. This product is best suited for those already invested in the Lay-Z-Spa ecosystem, looking for a reliable year-round heating solution.

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Rating
9.9
Chosen by1,285
Heating Capacity
Installation and Maintenance
Heating Capacity
The new pump works like a dream, heating well and being quieter than the old one.
Installation and Maintenance
Easy installation and perfect functionality make this pump a great replacement for a worn-out unit.
#2

Lay-Z-Spa Hot Tub WiFi Enabled Airjet Plus Pump Pool Heater | for All AirJet Models | Lazy Spa Pump | P05335

9.8  score

Lay-Z-Spa Hot Tub WiFi Enabled Airjet Plus Pump Pool Heater | for All AirJet Models | Lazy Spa Pump | P05335

Wonderman Tools

9.8  score

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Rating
9.8
Energy Efficiency
Installation and Maintenance
Energy Efficiency
It works much better than previous models and has an economy setting.
Installation and Maintenance
The pump has had issues with leaks and valve problems, requiring replacements.

The Lay-Z-Spa Hot Tub WiFi Enabled Airjet Plus Pump Pool Heater is designed for AirJet model pool owners. It has a corded electric power source and operates at 230 volts, providing reliable heating for small to medium-sized pools. Notable is its WiFi capability, allowing remote control and monitoring via a smartphone app, enhancing user convenience.

Weighing 12.5 kilograms, it is relatively lightweight and manageable during installation and maintenance. Although made from plastic, which may be less durable than metal alternatives, it should still suffice for regular use if handled carefully. With a 4.6-star rating from 17 customer reviews, users likely appreciate its performance and ease of use.

Ranking 12th in the pool heaters category on the best-seller list, this product shows moderate popularity and reliability. The heater is well-suited for AirJet model pool owners seeking a user-friendly, WiFi-enabled heating solution, with considerations around its material and energy efficiency.

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Rating
9.8
Energy Efficiency
Installation and Maintenance
Energy Efficiency
It works much better than previous models and has an economy setting.
Installation and Maintenance
The pump has had issues with leaks and valve problems, requiring replacements.

Buying Guide for the Best Above Ground Pool Heaters

Choosing the right above-ground pool heater can significantly enhance your swimming experience by maintaining a comfortable water temperature. When selecting a pool heater, it's important to consider various factors such as the size of your pool, your climate, and your preferred heating method. Understanding the key specifications will help you make an informed decision that best suits your needs.
Heating CapacityHeating capacity, often measured in BTUs (British Thermal Units), indicates how much heat the heater can produce. This spec is crucial because it determines how quickly and effectively the heater can warm your pool. Smaller pools may require heaters with lower BTUs, while larger pools need higher BTUs for efficient heating. To pick the right one, consider the size of your pool and the desired temperature increase. For example, a pool of up to 10,000 gallons might need a heater with around 50,000 BTUs, whereas larger pools may need heaters with 100,000 BTUs or more.
Type of HeaterThere are several types of pool heaters, including gas heaters, electric heat pumps, and solar heaters. Gas heaters are known for their quick heating capabilities and are ideal for colder climates or for those who want to heat their pool rapidly. Electric heat pumps are energy-efficient and work best in moderate climates, as they rely on ambient air temperature to heat the water. Solar heaters are environmentally friendly and cost-effective in the long run, but they depend on sunny weather and may not be suitable for all regions. Choose the type of heater based on your climate, energy preferences, and how quickly you want your pool to heat up.
Energy EfficiencyEnergy efficiency refers to how effectively a pool heater converts energy into heat. This spec is important because it impacts your operating costs and environmental footprint. Look for heaters with high energy efficiency ratings, which can save you money on energy bills and reduce your carbon footprint. Gas heaters typically have efficiency ratings between 80-95%, while electric heat pumps can have efficiency ratings over 200% due to their ability to transfer heat rather than generate it. Solar heaters are highly efficient as they use renewable energy. Consider your budget for energy costs and your environmental concerns when choosing a heater.
Installation and MaintenanceInstallation and maintenance requirements vary between different types of pool heaters. Gas heaters usually require professional installation and regular maintenance to ensure safe operation. Electric heat pumps are easier to install and maintain but may need occasional servicing. Solar heaters have minimal maintenance needs but require proper installation to maximize efficiency. Think about your willingness to handle installation and maintenance tasks or your ability to hire professionals when selecting a heater. If you prefer a low-maintenance option, solar heaters might be the best choice.
Durability and WarrantyDurability and warranty are important factors to consider as they affect the longevity and reliability of your pool heater. A durable heater will withstand the elements and provide consistent performance over time. Look for heaters made from high-quality materials and with robust construction. Additionally, check the warranty offered by the manufacturer, as a longer warranty period can provide peace of mind and protection against potential issues. Choose a heater with a good balance of durability and warranty to ensure long-term satisfaction.