10 Best Pool Heat Pumps 2025 in the United States

The Aquastrong 75,000 BTU Inverter Swimming Pool Heat Pump is designed to cater to both above-ground and in-ground pools, supporting systems up to 21,000 gallons. One of its standout features is the dual-mode capability, which means it can both heat and cool the pool water, making it suitable for year-round use. With a high Coefficient of Performance (COP) of 15.8, it is highly efficient, saving up to 70% energy compared to traditional electric heaters.

In terms of noise, the pump operates quietly at 53 dB, which is an advantage for those looking to maintain a peaceful poolside environment. The product is also equipped with WiFi capabilities, allowing users to control and monitor it remotely via an app, which includes features such as temperature adjustments and energy tracking. Additionally, the auto-defrost function ensures it remains operational even in colder conditions, enhancing its year-round usability.

On the downside, the heat pump is quite heavy at 218 pounds, which might require professional assistance for installation. Though it offers versatile connection options to fit various pool setups, potential buyers should still ensure compatibility with their current pool system. With its combination of advanced features like inverter technology and remote control via an app, this heat pump is particularly suitable for pool owners who value efficiency and modern conveniences. However, those with smaller pools or those seeking a basic, easy-to-install system might find it more than what they need. The manufacturer's warranty provides added assurance of its durability and reliability.

The Aquastrong 35,000 BTU Inverter Swimming Pool Heat Pump is a versatile option for pool owners looking to extend their swimming season. Its dual-mode system for heating and cooling supports year-round use, which is ideal for those living in areas with varying climates. The heating capacity of 35,000 BTUs is suitable for pools up to 9,000 gallons, ensuring efficient temperature maintenance.

One standout feature is its energy efficiency, boasting a coefficient of performance (COP) of 15.8. This suggests substantial energy savings compared to traditional electric and gas heating methods. Coupled with its inverter technology, it dynamically adjusts power usage, potentially reducing energy bills significantly. Noise can often be a concern with such equipment, but this heat pump operates at a low noise level of just 48 dB, making it less disruptive. Additionally, it includes an auto-defrost function, which is beneficial for uninterrupted winter operation.

Controlling the unit is straightforward with its WiFi-capable app, allowing users to adjust settings remotely. This adds a layer of convenience, especially for programming heating schedules. In terms of build, the heat pump is made from durable cast iron, suggesting robustness, although weighing 116.8 pounds might make initial installation effortful. The product offers multiple connection options, enhancing its compatibility with various pool setups. However, the installation might still require professional assistance for optimal performance.

Backed by a 3-year warranty, the Aquastrong heat pump provides peace of mind. While its price point is not mentioned, the blend of features and energy efficiency potentially offers good value, especially for pool owners with mid to large-sized pools looking for reliable and efficient temperature control.

The Hayward W3H200FDN Universal H-Series is a strong contender in the pool heat pump category, especially for those seeking a natural gas option for in-ground pools and spas. One of its main strengths is its 200,000 BTU heating capacity, which ensures it can efficiently warm larger pools, providing comfort year-round. The durable cupro nickel heat exchanger is a significant advantage, as it resists corrosion and extends the heater's lifespan, even in challenging water conditions.

Another highlight is the industry-leading hydraulic design that helps reduce the circulation pump run time, offering energy savings over time. This is beneficial for environmentally conscious users and those looking to keep operational costs down. Additionally, the unit's low NOx emissions align with air quality standards, making it a responsible choice for environmentally aware consumers.

On the user experience side, the front-panel-only access combined with an intuitive control pad makes operation and maintenance straightforward, which is great for pool owners who prefer not to deal with overly complex systems. However, the unit weighs 161 pounds, which may make installation a bit cumbersome and could require professional help if you're not comfortable with such tasks. Noise level is another aspect to be mindful of; while the specifics are not detailed, gas heaters generally can be noisier than electric models, which might be a concern for users sensitive to sound.