Best Above Ground Pool Heaters That Actually Keep Water Warm

Cheap heaters underperform—but Aquastrong and VARMINPOOL excel in efficiency!

When it comes to heating your pool, choosing the right equipment is essential for comfort and enjoyment. The Aquastrong Inverter Swimming Pool Heat Pump offers impressive efficiency for larger pools, while the VARMINPOOL 16000BTU Pool Heat Pump is perfect for smaller setups with smart features.

For those seeking portability, the Immersion Water Heater stands out with its adjustable thermostat and real-time temperature display, ensuring quick heating for smaller pools.

Below, we analyze budget, lifespan, and real-user feedback.

best above ground pool heatersbest above ground pool heatersbest above ground pool heaters
best above ground pool heaters

Aquastrong 18,000 BTU Pool Heat Pump

#1 CHOICE Aquastrong Inverter Swimming Pool Heat Pump, 18,000 BTU 6,500 Gallons Electric Pool Heater for Above Ground and Inground Pool, Heating and Cooling Pool Heater 120V

If you’re looking to extend your swimming season without breaking the bank, the Aquastrong Inverter Swimming Pool Heat Pump is a game-changer. With an 18,000 BTU capacity, this electric pool heater is designed for both above ground and inground pools, offering efficient heating and cooling for year-round comfort.

Pros

  • All-Season Comfort: Heats water between 59–104°F and cools it within 59–83°F, letting you swim anytime!
  • Energy Efficient: With a high 5.5 COP, it reduces energy consumption by 70% compared to traditional electric heaters.
  • Quiet Operation: Operating at only 38 dB, it’s quieter than a whisper, so you can enjoy peace while you swim.
  • Easy Installation: Setup takes less than 10 minutes with included hose adapters and conversion kits.
  • Reliable Performance: The precision thermostat maintains temperature accuracy within ±2°F for consistent comfort.

Cons

  • Size Limitations: Best suited for pools up to 6,500 gallons; larger pools may require additional units.
  • Initial Cost: While it saves money on energy bills, the upfront investment is higher than basic heaters.

Overall, the Aquastrong Inverter Swimming Pool Heat Pump is one of the best above ground pool heaters on the market, combining efficiency, ease of use, and comfort in one sleek package.

To buy this product, click here.

VARMINPOOL 16000BTU Pool Heat Pump

#2 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

If you’re looking to extend your swimming season without breaking the bank, the VARMINPOOL 16000BTU Pool Heat Pump is a game changer for above ground pools. This electric pool heater is designed for pools up to 5,400 gallons, ensuring a warm dip whenever you desire. With its smart inverter technology, it promises energy efficiency that keeps your wallet happy while delivering reliable warmth.

Pros

  • Energy-Saving Inverter Technology: Operates continuously with lower electricity consumption, making it a cost-effective choice for pool heating.
  • WiFi Control: The Smart Life APP lets you adjust the temperature and monitor performance from anywhere—perfect for those lazy days when you want to avoid getting up!
  • Quick Setup: Assembling this unit takes less than 30 minutes. Just plug it in and you’re ready to enjoy a warm swim!
  • Durable Construction: With heavy-duty galvanized steel housing, it withstands the elements like a champ, ensuring longevity.
  • Safety First: Insulated heat exchange compartment keeps electrical parts safe, giving you peace of mind while you relax in your pool.
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Cons

  • Size: While compact, its dimensions may still require a dedicated space in your yard.
  • Initial Cost: The upfront investment might be higher than traditional heaters, but the savings on energy bills can offset this.
Overall, the VARMINPOOL 16000BTU Pool Heat Pump is an excellent choice for anyone serious about keeping their pool warm and inviting!

Check the latest price from here.

Immersion 1800W Portable Water Heater

#3 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

If you’re looking for a reliable and efficient way to heat water, the Immersion Water Heater 1800W is a game changer. This portable mini pool heater is perfect for bathtubs, hot tubs, and even inflatable pools. With its adjustable thermostat and real-time temperature display, you can enjoy the perfect soak without the hassle of constant monitoring.

Pros

  • Safety-first features: The automatic shut-off and anti dry burn protection ensure you can use this heater worry-free.
  • Durable construction: Made with 304-grade stainless steel and a reinforced power cord, it’s built to last through many seasons.
  • Real-time temperature control: The digital display lets you see and adjust the temperature easily, ensuring your water is just right.
  • Efficient heating: The 1800W element heats water quickly, making it perfect for both everyday use and emergencies.
  • Portability: Its lightweight design and 6.6 ft cord make it easy to move from one tub to another without any tools.

Cons

  • Heating time can vary based on the initial water temperature and volume, so patience is key.
  • Requires a standard 120V outlet, which may limit where you can use it.
  • The detachable anti-scald guard might feel a bit cumbersome for some users.

Overall, the Immersion Water Heater 1800W is a fantastic investment for anyone looking to enjoy warm water quickly and safely. It’s a must-have for both home and farm use!

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To get this product, click here.

VARMINPOOL 16000BTU 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

If you’re looking for a reliable way to heat your above-ground pool, the VARMINPOOL 16000BTU Above Ground Pool Heat Pump is a game-changer. Designed for pools up to 5,400 gallons, this heater not only keeps your water at a cozy temperature but also does so with impressive efficiency and smart technology.

Pros

  • Efficient Heating: The inverter technology ensures that the heat pump runs efficiently, saving you money on energy bills while keeping your pool warm.
  • Smart Control: With the Smart Life APP, you can control the heat settings from your phone, making adjustments a breeze.
  • Quick Installation: Setup takes less than 30 minutes—just connect, plug in, and dive into warm water!
  • Durable Design: The galvanized steel housing is built to withstand outdoor elements, ensuring longevity.
  • Safety First: The electrically insulated water heating system provides peace of mind while you enjoy your swim.

Cons

  • Size Limitations: Best suited for pools up to 5,400 gallons; larger pools may require additional heating solutions.
  • WiFi Dependency: While the app is convenient, it does rely on a stable WiFi connection for full functionality.

Overall, the VARMINPOOL 16000BTU Above Ground Pool Heat Pump is one of the best above ground pool heaters on the market, combining efficiency, convenience, and safety in a compact package. Dive in and enjoy the warmth!

To know more about this product, click here.

Aquastrong 12,000 BTU Pool Heat Pump

#5 CHOICE Aquastrong Inverter Swimming Pool Heat Pump, 12,000 BTU 3,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, Heating and Cooling Pool Heater 120V

If you’re looking to extend your swimming season, the Aquastrong Inverter Swimming Pool Heat Pump is your go-to solution! With a 12,000 BTU output, this electric pool heater is designed for both above ground and inground pools up to 3,000 gallons. It offers all-season comfort, allowing you to heat your pool water between 59–104°F or cool it down to a refreshing 59–83°F. Say goodbye to chilly swims and hello to year-round enjoyment!

Pros

  • Dual-mode temperature control for year-round swimming comfort.
  • Energy-efficient with a high 5.5 COP, slashing energy consumption by 70% compared to conventional heaters.
  • Ultra-quiet operation at just 36 dB—perfect for peaceful evenings by the pool.
  • Intelligent auto-defrost system that takes care of ice buildup without your intervention.
  • Easy installation with included hose adapters and conversion kits—set it up in under 10 minutes!
  • Comes with a 3-year warranty and lifetime technical support for peace of mind.
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Cons

  • While it’s great for pools up to 3,000 gallons, larger pools may require a more powerful unit.
  • Initial costs can be higher than traditional heating options, but the energy savings make up for it.

Overall, the Aquastrong Inverter Swimming Pool Heat Pump is a fantastic investment for anyone serious about pool enjoyment. With its efficient performance and user-friendly features, you’ll wonder how you ever swam without it!

Check details of this product, click here.

Faq about best above ground pool heaters:

1: What are the best types of above ground pool heaters?

The best types include electric heaters, gas heaters, and solar heaters, each offering unique benefits based on budget and usage.

2: How do I choose the right size heater for my pool?

Choose a heater based on your pool size and desired temperature increase. Check the heater’s BTU output to ensure it meets your pool’s heating needs.

3: Are solar heaters effective for above ground pools?

Yes, solar heaters are effective and eco-friendly, providing cost savings on energy bills while using sunlight to warm your pool.

4: How long does it take to heat an above ground pool?

Heating time varies by heater type and pool size, but typically ranges from a few hours to a full day to reach the desired temperature.

5: Can I use a regular pool heater for an above ground pool?

Yes, but ensure the heater is compatible with above ground setups. Some heaters are specifically designed for above ground pools for optimal performance.

6: What maintenance do above ground pool heaters require?

Regular maintenance includes cleaning filters, checking for leaks, and ensuring proper water chemistry to prolong the heater’s lifespan.

Conclusion

The Aquastrong 18,000 BTU Pool Heat Pump exemplifies efficiency and reliability, ensuring optimal water temperatures for an extended swimming season. Its advanced technology not only enhances performance but also promotes energy conservation, making it a prudent investment for discerning pool owners.

Similarly, the VARMINPOOL 16,000 BTU Pool Heat Pump stands out for its robust construction and user-friendly features. Designed for seamless integration, it delivers consistent heating while minimizing operational costs, appealing to those seeking both functionality and value in their outdoor leisure pursuits.

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.