best heater for inground pool that will surprise you this winter

Struggling with a chilly pool? The right heater can transform your swimming experience, ensuring warmth and comfort.

The Hayward W3H250FDN Universal H-Series and Aquastrong Inverter Swimming Pool Heat Pump are top solutions for maintaining optimal pool temperatures. These products provide efficient heating, allowing you to enjoy your pool year-round without the hassle of fluctuating temperatures.

Both heaters feature advanced technology for rapid heating and energy efficiency. The Hayward model excels with its durable construction, while the Aquastrong offers WiFi capabilities for convenient temperature control. These unique selling points simplify your pool maintenance and enhance your enjoyment.

In our full review, we break down performance, durability, and more to help you choose the perfect heater.

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best heater for inground pool

Hayward 250,000 BTU Natural Gas Pool Heater

#1 CHOICE

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas

Hayward W3H250FDN Universal H-Series 250,000 BTU Natural Gas Pool and Spa Heater: 250,000 BTU, cupro nickel heat exchanger, 2-year warranty.

Benefits

  • Reduces circulation pump run time for significant energy savings.

Drawbacks

  • Requires professional installation, which can add to overall costs.

The Hayward W3H250FDN stands out as a premium choice for heating in-ground pools and spas. With its powerful 250,000 BTU output, it ensures rapid temperature increases, making it ideal for those who want to enjoy warm water quickly. The durable cupro nickel heat exchanger offers excellent protection against corrosion, extending the unit’s lifespan even in challenging water conditions.

One of the key advantages is its industry-leading hydraulic design, which minimizes the run time of the circulation pump. This feature not only enhances efficiency but also leads to lower energy costs over time, making it a smart investment for pool owners. The front-panel-only access and intuitive control pad simplify operation and maintenance, allowing users to manage settings easily.

However, one notable drawback is that the heater requires professional installation, which may increase the initial investment. Additionally, it is essential to ensure that you have access to natural gas, as this unit relies on it for operation.

This heater is a practical pick for pool owners seeking efficiency and reliability.

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Aquastrong 75,000 BTU Pool Heat Pump

#2 CHOICE

Aquastrong Inverter Swimming Pool Heat Pump, 75,000 BTU 21,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 220V

Aquastrong Inverter Swimming Pool Heat Pump: 75,000 BTU, designed for pools up to 21,000 gallons, WiFi capable, 220V, with a 3-year warranty.

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Benefits

  • Rapid heating provides warmth in hours, ideal for large pools.
  • 15.8 COP ensures energy efficiency, saving up to 70% compared to traditional systems.
  • Ultra-quiet operation at just 53 dB, perfect for residential areas.
  • Adaptive frequency technology adjusts power dynamically for optimal performance.
  • Easy installation with multiple connection options, compatible with various pool setups.

Drawbacks

  • Requires a 220V outlet, which may necessitate electrical upgrades.
  • WiFi control may be complicated for less tech-savvy users.

Aquastrong Inverter Swimming Pool Heat Pump is a practical pick for extending your swim season while maximizing energy efficiency. Its dual-mode heating and cooling capabilities allow for year-round use, making it suitable for various climates. The app control feature enhances convenience, enabling remote adjustments and monitoring. However, users should be aware of the installation requirements and the potential learning curve with its smart features. Overall, this heat pump is an excellent investment for pool owners looking to enjoy their pools longer while keeping energy costs manageable.

To buy this product, click here.

Varpoolfaye 40000 BTU Electric Pool Heater

#3 CHOICE

Varpoolfaye 40000 BTU Electric Pool Heater For Inground Pools 12000 Gallon Swimming Pool Heat Pump Above Ground Pool Heater Heating Cooling WiFi Control Schedule 220V

Varpoolfaye 40000 BTU Electric Pool Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Varpoolfaye 40000 BTU Electric Pool Heater is a powerful solution for maintaining comfortable water temperatures in your pool. With a maximum output of 40000 BTU and a coefficient of performance (COP) of 6.2, it efficiently heats pools up to 120,000 gallons, making it suitable for both above ground and inground installations. The heater operates in both heating (59°F-104°F) and cooling (45°F-86°F) modes, providing year-round comfort.

One of the standout features is the Smart WiFi Control, which allows users to adjust the temperature and schedule heating directly from their smartphones. This feature enhances convenience, especially for pool owners who want to ensure their pool is ready for use at a moment’s notice. Additionally, the unit operates quietly at 53dB, ensuring a peaceful swimming environment.

However, it’s important to note that there are no dishwasher-safe parts, which may require more manual cleaning. Overall, the Varpoolfaye 40000 BTU Electric Pool Heater is a practical pick for small spaces looking for efficient heating and cooling solutions for their pools.

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MICOE 35000 BTU Inverter Pool Heater

#4 CHOICE

MICOE 35000 BTU Inverter Pool Heater for Above Ground and Inground Pool Up to 24ft/12000 Gallons, Electric Swimming Pool Heat Pump with APP-Scheduled Heating and Cooling, 220-240V

MICOE 35000 BTU Inverter Pool Heater: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The MICOE 35000 BTU Inverter Pool Heater is a powerful solution for heating both above ground and inground pools up to 24ft or 12,000 gallons. Its advanced air-source technology allows it to heat water 50% faster than standard electric heaters while saving up to 40% on energy costs. Operating efficiently in temperatures ranging from 32°F to 109°F, it can heat water to a comfortable 104°F under optimal conditions, making it ideal for extending the swimming season into early spring and late fall.

Smart control features allow users to adjust the temperature and schedule heating or cooling via a control panel or app, ensuring the perfect pool temperature with minimal hassle. With a quiet operation at only 52dB, it promotes a peaceful swimming environment for families.

Built from durable ABS material, the heater resists corrosion, fading, and cracking, ensuring longevity even in humid conditions. However, it is important to note that there are no dishwasher-safe parts, which may require manual cleaning.

The MICOE 35000 BTU Inverter Pool Heater is a practical pick for small spaces and those looking to enjoy their pool year-round.

To buy this product, click here.

Varpoolfaye 16000 BTU Pool Heater

#5 CHOICE

Varpoolfaye 16000 BTU Above Ground Pool Heater 5000 Gallon Swimming Pool Heater Pump Heating or Cooling Electric Pool Heater For Inground Pool WiFi Control Schedule 120V

Varpoolfaye 16000 BTU Above Ground Pool Heater: 120V, titanium heat exchanger, WiFi control, energy efficiency ratio (COP) of 4.3.

Benefits

  • Heats and cools water between 46°F and 104°F, ensuring year-round comfort.
  • Reduces energy consumption, lowering electricity costs while maintaining optimal pool temperatures.
  • Quiet operation at 50 dB, providing a peaceful swimming environment.
  • Easy setup with 1.5 inch connectors and a 125 inch power cord, making installation straightforward.

Drawbacks

  • Requires WiFi for smart control, which may not be ideal for all users.
  • Limited heating capacity for larger pools over 5000 gallons.

A practical pick for small to medium above ground pools looking for efficient heating and cooling options.

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Faq about best heater for inground pool:

1: What is the best type of heater for an inground pool?

The best type of heater for an inground pool typically includes gas heaters, electric heat pumps, and solar heaters, depending on your budget and heating needs.

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

To choose the right heater size, consider your pool’s volume, desired temperature increase, and the heater’s BTU output. A professional can help calculate the optimal size.

3: Are gas heaters more efficient than electric heat pumps?

Gas heaters heat water quickly and are efficient for short-term use, while electric heat pumps are more energy-efficient for longer heating periods but take longer to heat the water.

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

Heating time varies by heater type and pool size, but gas heaters can typically raise the temperature by 1-2 degrees per hour, while electric heat pumps may take longer.

5: Can I use a solar heater for my inground pool?

Yes, solar heaters are an eco-friendly option for inground pools, using sunlight to heat water, but they may require a larger initial investment and more space for installation.

Conclusion

Among the leading options, the Hayward 250,000 BTU Natural Gas Pool Heater stands out for its unparalleled efficiency and rapid heating capabilities, ensuring optimal comfort for pool enthusiasts. Its robust design and reliability make it an exceptional choice for those seeking consistent performance.

Conversely, the Aquastrong 75,000 BTU Pool Heat Pump offers an eco-friendly alternative, leveraging advanced technology to maintain desired temperatures while minimizing energy consumption. This product is ideal for environmentally conscious users who prioritize sustainability without compromising on heating efficacy.