10 Best Electric Pool Heaters 2025 in the United States

The TURBRO Beluga series swimming pool heat pump offers a heating capacity of 50,000 BTUs, making it suitable for pools up to 16,000 gallons. It's built with inverter technology to adjust heating power based on various factors like ambient temperature and water flow, ensuring consistent pool temperature. The COP rating of 15.90 suggests good energy efficiency, saving costs significantly compared to other heating methods such as natural gas or propane. However, it performs best when outdoor temperatures are above 60°F, which might limit its efficiency in colder climates. Using a pool cover can help mitigate this issue.

The unit is relatively large and requires professional installation due to its need for a hardwired connection to a 220-240 V power supply, which could add to initial setup costs and complexity. The titanium heat exchanger is a plus for durability and compatibility with saltwater pools. Control features are advanced, offering both a control panel and mobile app integration for convenience.

Safety features are robust, with multiple sensors monitoring various operational parameters and shutting down the system in case of faults. For those with above-ground or larger in-ground pools looking for an efficient and smartly controlled heating solution, this product could be a great fit, though it requires consideration of installation requirements and optimal operating temperatures.

The Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater is a strong performer in the electric pool heater category. With a substantial heating capacity of 250,000 BTUs, it’s well-suited for heating both in-ground pools and spas. This model stands out with its energy efficiency, thanks to an industry-leading hydraulic design that reduces the circulation pump run time, leading to significant energy savings. The heater’s size (33.3 x 32.8 x 30.6 inches) and weight (165 pounds) are notable and may require professional installation due to its bulk.

However, the front-panel-only access and intuitive control pad simplify operation, service, and maintenance, making it user-friendly once installed. Durability is another strong point, with a cupro nickel heat exchanger that offers excellent protection against corrosion and premature failure, even in the face of unbalanced water chemistry. Additionally, it meets low NOx emission standards, making it environmentally friendly. Despite its higher rank, some users may find the upfront cost and potential installation challenges as drawbacks. This heater is highly suitable for those needing a reliable, efficient, and durable solution for their pool or spa heating needs.

The Raypak Heat Pump 8450 is a solid choice for anyone looking to heat a swimming pool efficiently. With a heating capacity of 140,000 BTUs, it can effectively warm large pools, making it suitable for both residential and light commercial use. The titanium heat exchanger is a standout feature, as it enhances durability and resistance to corrosion, which is ideal for pools with saltwater systems. This can lead to a longer lifespan compared to other materials, giving you peace of mind regarding maintenance and replacement costs.

One of the strengths of this model is its energy efficiency. It operates quietly thanks to a swept wing fan design, which is a great benefit if you're sensitive to noise or plan on using the pool in the evening. The build quality is robust, featuring a long-lasting steel outer case, ensuring that it can endure outdoor conditions.

There are some considerations to keep in mind. The weight of 422 pounds can make installation a bit challenging, especially if you are trying to set it up yourself. Ensure you have the necessary resources or professional help for installation. The Raypak Heat Pump 8450 is a well-rounded electric pool heater with notable efficiency and durability, making it a good fit for those who want reliable heating for their pools. Just be prepared for the installation process and consider whether its features align with your specific pool heating requirements.