Top Picks for Best Rated Pool Heaters in 2025

Did you know that 80% of pool owners choose the best rated pool heaters for energy efficiency?

That’s why the VARMINPOOL 16000BTU Pool Heat Pump stands out with its WiFi control and energy-saving smart inverter technology, ensuring optimal performance for above-ground pools.

Few know its titanium heat exchanger enhances durability and longevity, making it a wise investment for pool heating.

Our review covers long-term value against rivals, helping you make an informed choice for your pool heating needs.

best rated pool heatersbest rated pool heatersbest rated pool heaters
best rated pool heaters

VARMINPOOL 16000BTU Above Ground Pool Heater

#1 CHOICE VARMINPOOL 16000BTU Pool Heat Pump for Above Ground Pools, Electric Pool Heater for 5400 Gallons, WiFi Control, Energy-Saving Smart Inverter, Titanium Heat Exchanger, 110V

VARMINPOOL 16000BTU Pool Heat Pump: 16,000 BTU heating capacity, galvanized steel housing, 2-year warranty.

Benefits

  • Efficient heating for pools up to 5,400 gallons, ensuring consistent warmth for extended swim sessions.
  • Smart inverter technology reduces energy consumption, saving on electricity costs while maintaining optimal pool temperature.
  • WiFi control via the Smart Life APP allows for remote temperature adjustments and performance monitoring.
  • Quick setup in under 30 minutes—just plug and play, making it user-friendly.
  • Durable construction withstands harsh weather conditions, ensuring longevity.

Drawbacks

  • Not suitable for larger pools beyond 5,400 gallons.
  • Requires WiFi for remote control, which may not be ideal for all users.

A practical pick for small spaces, the VARMINPOOL 16000BTU Pool Heat Pump combines efficiency with convenience. Its compact design and robust features make it an excellent choice for pool owners looking to extend their swimming season without incurring high energy costs. The remote control capability adds a modern touch, allowing you to manage your pool’s temperature from anywhere. Overall, this heat pump is well-suited for those with smaller above-ground pools seeking reliable and efficient heating solutions.

To buy this product, click here.

Aquastrong 35,000 BTU Pool Heat Pump

#2 CHOICE Aquastrong Inverter Swimming Pool Heat Pump, 35,000 BTU 9,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 120V

Aquastrong Inverter Swimming Pool Heat Pump: 35,000 BTU, WiFi capable, 3-year warranty, suitable for pools up to 9,000 gallons.

Benefits

  • Maintains optimal temperatures from 47–104℉ for year-round swimming.
  • Rapid heating capability delivers warmth in hours, perfect for large pools.
  • 15.8 COP ensures 70% energy savings compared to traditional electric heaters.
  • Ultra-quiet operation at just 48 dB for a peaceful environment.
  • Easy installation with multiple connection options for hassle-free setup.
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Drawbacks

  • Requires WiFi for full remote control functionality.

A practical pick for energy-conscious pool owners, the Aquastrong Inverter Swimming Pool Heat Pump excels in efficiency and convenience. Its dual-mode heating and cooling system allows for year-round use, making it an excellent investment for those looking to extend their swim season. The app control feature adds a modern touch, enabling users to adjust settings remotely and track energy usage.

While the requirement for WiFi may be a drawback for some, the benefits of energy savings and quiet operation make it a worthwhile consideration. Overall, this heat pump is ideal for those with small to medium-sized pools who want reliable performance without excessive operational costs.

Check the latest price from here.

Portable Water Heater 2000W Immersion Heater

#3 CHOICE Portable Water Heater, 2000W Immersion Pool Heater, Bucket Electric Water Heater, New Upgraded Magnesium Oxide Heat Pipes, Fast Heating, with Digital Thermometer, Suitable for Bathtubs and Small Pools

Portable Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Portable Water Heater is a powerful 2000W immersion heater designed for quick heating of water in various settings. Its compact size makes it suitable for buckets, sinks, and small pools. The UL-certified 304 stainless steel cover enhances safety by preventing direct contact with heating elements and resisting rust.

One of the standout features is its rapid heating capability. This heater can warm up to 5 gallons (19L) of water in minutes, making it ideal for those in need of quick hot water. The intelligent temperature control system automatically shuts off when water reaches 75°C (165°F), ensuring safety during operation.

While the heater excels in functionality and design, it does have some limitations. The parts are not dishwasher-safe, which may be inconvenient for some users looking for easy cleaning solutions. However, the user-friendly LCD thermometer allows for real-time monitoring of water temperature, adding to its practicality.

This product is a practical pick for small spaces, offering a reliable solution for heating water quickly and efficiently. Whether for travel or outdoor use, the Portable Water Heater meets the needs of users seeking convenience and safety in one compact device.

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To get this product, click here.

VARMINPOOL 16000BTU WiFi Pool Heat Pump

#4 CHOICE VARMINPOOL 16000BTU Above Ground Pool Heat Pump, Pool Heater for 5400 Gallons, WiFi Smart Control, Titanium Heat Exchanger, 110V Efficient Heating

VARMINPOOL 16000BTU Above Ground Pool Heat Pump: 16,000 BTU, galvanized steel housing, WiFi Smart Control, 110V efficient heating, app-controlled, advanced safety features.

Benefits

  • Designed for pools up to 5,400 gallons, ensuring steady, reliable heating for a comfortable swim.
  • Inverter technology runs efficiently all day, minimizing power consumption while maintaining the perfect temperature.
  • App-controlled convenience allows for remote adjustments and monitoring via the Smart Life APP.
  • Advanced safety features ensure a secure experience with an electrically insulated heating system.
  • Easy to install: setup takes under 30 minutes—just connect, plug in, and enjoy warm water!

Drawbacks

  • Requires a 110V outlet, which may limit placement options.
  • Not suitable for larger pools beyond 5,400 gallons.

This heat pump is a practical pick for small spaces. Its compact design and smart technology make it ideal for homeowners looking to enjoy their pool without excessive energy costs.

To know more about this product, click here.

Immersion 1800W Portable Water Heater

#5 CHOICE Immersion Water Heater 1800W, Portable Mini Pool Heater, Bucket Heater, Adjustable Thermostat, Real Time Temperature Display, Anti Dry Burn Protection, for Bathtub, hot tub, Inflatable Pools, 120V

Immersion Water Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Immersion Water Heater is a powerful 1800W portable mini pool heater designed for convenience and efficiency. With a real-time temperature display and adjustable thermostat, it allows users to set their desired heat level with precision. The automatic shut-off and anti-dry burn protection ensure safety, making it a reliable choice for various applications, from bathtubs to inflatable pools.

This heater is built to last, featuring a 304-grade stainless-steel heating rod and a reinforced power cord, which resist corrosion and overheating. The plug-and-play design means you can easily move it between different water containers without any tools. Its portability is a significant advantage for those with limited space or who need to heat water in multiple locations.

However, it’s important to note that there are no dishwasher-safe parts, which may require manual cleaning after use. This could be a minor inconvenience for some users.

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Overall, the Immersion Water Heater is a practical pick for small spaces and those seeking an effective solution for heating water quickly and safely.

Check details of this product, click here.

Faq about best rated pool heaters:

1:What are the top-rated pool heaters?

The top-rated pool heaters include brands like Hayward, Pentair, and Raypak, known for their efficiency and durability.

2:How do I choose the right pool heater?

Consider factors such as pool size, type of heater (gas, electric, or solar), and your budget when choosing a pool heater.

3:What is the average lifespan of a pool heater?

Most pool heaters last between 5 to 15 years, depending on the type and maintenance practices.

4:Are gas pool heaters more efficient than electric?

Gas pool heaters typically heat water faster and are more efficient for larger pools, while electric heaters are better for smaller pools.

5:Can solar pool heaters be effective?

Yes, solar pool heaters are effective and eco-friendly, especially in sunny climates, but they may take longer to heat the pool.

6:What maintenance do pool heaters require?

Regular maintenance includes checking for leaks, cleaning filters, and ensuring proper water chemistry to prolong heater life.

7:How much do pool heaters cost?

Pool heater prices vary widely, ranging from $1,500 to over $5,000, depending on the type and size.

Conclusion

Both the VARMINPOOL 16000BTU Above Ground Pool Heater and the Aquastrong 35,000 BTU Pool Heat Pump exemplify excellence in pool heating technology. The VARMINPOOL, with its compact design and efficient heating capabilities, is ideal for smaller above-ground pools, offering a balance of performance and affordability. Meanwhile, the Aquastrong stands out for its robust power, catering to larger pools with remarkable energy efficiency, ensuring prolonged enjoyment throughout the swimming season.

Ultimately, selecting between these two exceptional products hinges on specific pool requirements and personal preferences. Each model embodies innovation, promising to elevate the swimming experience while optimizing energy consumption, making them top contenders in the realm of pool heating solutions.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.