For pool owners, the best pool heater for salt water ensures comfort without high energy bills.
When it comes to maintaining your pool’s temperature, the Aquastrong Inverter Swimming Pool Heat Pump stands out for its efficiency and reliability. Perfect for both above ground and inground pools, it offers an 18,000 BTU capacity, making it ideal for saltwater systems.
From heating to cooling, these versatile heaters adapt to your pool’s needs, ensuring optimal performance year-round. Options like the STPFFOT Electric Pool Heater and portable immersion heaters enhance convenience.
We detail pros, cons, and hidden perks ahead.



Aquastrong 18,000 BTU Pool Heat Pump
If you’re looking for an efficient and reliable solution for your swimming pool, the Aquastrong Inverter Swimming Pool Heat Pump is an excellent choice. With its impressive 18,000 BTU capacity, this electric pool heater is designed for both above ground and inground pools up to 6,500 gallons. It offers year-round comfort by heating water between 59–104°F and cooling it between 59–83°F, making it the best pool heater for salt water enthusiasts.
Pros
The Aquastrong heat pump stands out for its energy efficiency, boasting a high 5.5 COP that translates to significant savings on your energy bills. This pump reduces energy consumption by up to 70% compared to traditional electric heaters and delivers 40% more savings than natural gas options. Its whisper-quiet operation at just 38 dB ensures you can enjoy your pool without disruptive noise. Additionally, the easy installation process takes under 10 minutes, thanks to included hose adapters and conversion kits.
Cons
While the Aquastrong heat pump offers many benefits, it may not be suitable for very large pools beyond its 6,500-gallon capacity. Some users might find the initial investment higher than basic electric heaters, but the long-term savings offset this cost. Additionally, the unit’s performance can be affected in extreme cold conditions, which may limit its efficiency during harsh winters.
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STPFFOT Electric Pool Heater 11KW 220V
If you’re looking for a reliable and efficient way to keep your pool warm, the STPFFOT Electric Pool Heater is an exceptional choice. With its powerful 11KW output, this heater is perfect for both inground and above-ground pools, accommodating up to 1,200 gallons. Its digital touchscreen control allows for precise temperature adjustments, making it a user-friendly option for pool enthusiasts.
Pros
The STPFFOT Electric Pool Heater boasts impressive performance, heating a 1,000-gallon pool to 86°F in just 2.5 hours. The advanced 316 stainless steel heating elements provide durability and superior heat conduction, ensuring that your pool remains inviting year-round. Additionally, the smart touchscreen control offers intuitive operation, allowing users to set heating times and temperatures with ease. The safety features, including anti-dry burn protection and automatic shutdown, give you peace of mind while using the heater.
Cons
One significant drawback is that this heater requires hard wiring and professional installation, which may add to the overall cost. It also necessitates a circulation pump with at least 1 horsepower, which could be a limitation for some pool owners. Lastly, the heater’s power demands a 60A breaker, which may require electrical upgrades in some homes.
Overall, the STPFFOT Electric Pool Heater stands out with its powerful performance and advanced features. If you’re serious about enjoying a warm pool experience, this heater is worth considering for your setup.
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Portable Water Heater 2000W Immersion Heater
If you’re looking for an efficient and reliable solution to heat water quickly, the Portable Water Heater is an excellent choice. This 2000W immersion pool heater is designed for bathtubs and small pools, making it perfect for both indoor and outdoor use. With its upgraded magnesium oxide heat pipes and intelligent temperature control, this heater ensures safety and performance, heating water in just minutes.
Pros
The 2000W Immersion Pool Heater stands out for its rapid heating capabilities, warming up to 5 gallons of water in mere minutes. Users appreciate the user-friendly LCD thermometer that displays real-time temperature, allowing for easy monitoring. The UL-certified design, featuring a durable 304 stainless steel cover, enhances safety by preventing rust and direct contact with heating elements. Additionally, its compact and lightweight nature makes it highly portable, ideal for travel or outdoor activities.
Cons
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Goplus Solar Pool Heater with Hose Connectors
If you’re looking for an efficient and eco-friendly way to heat your swimming pool, the Goplus Solar Pool Heater is a fantastic choice. This solar-powered water heater not only enhances your pool experience but also helps save on energy costs. With its innovative design and effective heating capabilities, it raises your pool’s temperature by 5.4-7.2℉, making those cool evening swims much more enjoyable.
Pros
The Goplus Solar Pool Heater features enhanced solar absorption thanks to its black coil, which captures heat effectively. The transparent dome cover maximizes sunlight penetration while preventing heat loss, ensuring your pool stays warm for longer. Its flexible and space-saving design allows you to adjust the angle for optimal sunlight capture, and the foldable legs make it easy to store when not in use. With versatile connection options, including 90° rotatable hose connectors, it accommodates various hose lengths and can be connected in series with other heaters for increased efficiency.
Cons
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Immersion 1800W Portable Water Heater
If you’re looking for a reliable and efficient way to heat water quickly, the Immersion Water Heater 1800W is a fantastic choice. This portable mini pool heater is perfect for everything from bathtubs to inflatable pools. With its adjustable thermostat and real-time temperature display, you can easily monitor and control the heat, making it ideal for both everyday use and emergencies.
Pros
This immersion water heater boasts an impressive 1800W heating element that warms water rapidly, adapting to various volumes and temperatures. The anti-dry burn protection ensures safety by automatically shutting off when water levels are low. The durable construction, featuring a 304-grade stainless steel heating rod, promises longevity and resistance to corrosion. Its plug-and-play portability allows you to use it in different locations without hassle. The real-time temperature control is a game-changer, enabling you to set and maintain your desired warmth effortlessly.
Cons
While the heater is highly efficient, it requires supervision during use to ensure safety. The 6.6 ft cord, although convenient, may limit placement options in larger spaces. Additionally, some users might find the initial setup slightly cumbersome, as it involves submerging the unit and positioning the controller correctly.
Overall, the Immersion Water Heater 1800W offers exceptional value with its combination of safety features, portability, and efficient heating capabilities. Whether you need a quick bath or a warm pool, this heater delivers consistent performance you can trust.
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Faq about best pool heater for salt water:
1:What is the best pool heater for salt water?
The best pool heater for salt water is typically a gas or electric heat pump designed to withstand corrosion from salt. Popular brands include Hayward, Pentair, and Raypak.
2:Are electric pool heaters suitable for salt water pools?
Yes, electric pool heaters can be used for salt water pools, but ensure they are specifically rated for saltwater use to prevent corrosion.
3:How long do salt water pool heaters last?
Salt water pool heaters can last 5 to 15 years, depending on maintenance, usage, and the quality of the heater.
4:Do salt water pool heaters require special maintenance?
Yes, regular maintenance is needed, including checking for corrosion, cleaning filters, and ensuring proper chemical balance in the pool.
5:Can I convert my existing pool heater for salt water use?
It depends on the heater type. Some heaters can be modified for salt water, while others may need complete replacement.
6:What size heater do I need for my salt water pool?
The size of the heater depends on the pool volume; generally, a heater with 50-100 BTUs per 1,000 gallons is recommended.
Conclusion
The Aquastrong 18,000 BTU Pool Heat Pump exemplifies efficiency and reliability, offering an optimal solution for maintaining comfortable water temperatures in saltwater pools. Its advanced technology ensures energy conservation while delivering robust heating performance.
On the other hand, the STPFFOT Electric Pool Heater 11KW 220V stands out for its rapid heating capabilities and user-friendly installation. Its robust design caters to diverse pool sizes, making it a versatile choice for pool owners seeking consistent warmth and convenience.