For pool owners, the best heater for above ground pools ensures comfort without breaking the bank.
The Aquastrong Inverter Swimming Pool Heat Pump is perfect for efficient heating and cooling of your above ground pool, handling up to 6,500 gallons effortlessly.
From energy-efficient options to solar solutions, these heaters adapt to various needs, ensuring your pool stays warm all season long.
We detail pros, cons, and hidden perks ahead.



Aquastrong 18,000 BTU Pool Heat Pump
The adjustable valve sets the Aquastrong Inverter Swimming Pool Heat Pump apart from its competitors, allowing for precise control over water flow and temperature. This heat pump is constructed from durable 316-grade stainless steel, ensuring resistance to corrosion, which is essential for longevity in pool environments. With dimensions of 30″ x 24″ x 12″, it is compact yet powerful, capable of efficiently heating or cooling pools up to 6,500 gallons.
Key Advantages
- The dual-mode temperature control system enables precise heating between 59–104°F and cooling from 59–83°F, extending swimming seasons significantly.
- Featuring an 18,000 BTU output and a precision thermostat that maintains temperature accuracy within ±2°F, it guarantees consistent thermal comfort year-round.
- With a high coefficient of performance (COP) of 5.5, this heat pump reduces energy consumption by up to 70% compared to traditional electric heaters, providing significant cost savings.
- Operating at a whisper-quiet 38 dB, it ensures that poolside enjoyment is not interrupted by noise.
- The intelligent auto-defrost system prevents ice buildup, enhancing operational efficiency.
- Installation is simplified with included 1.25″ hose adapters and 1.5″ conversion kits, allowing setup in under 10 minutes.
Limitations
- Not compatible with pools requiring higher BTU outputs or larger capacities.
- May require additional electrical work for optimal installation in some settings.
Best for outdoor enthusiasts needing a reliable and efficient heating solution for above-ground and inground pools.
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VARMINPOOL 16000BTU Pool Heat Pump
The adjustable valve sets the VARMINPOOL 16000BTU Pool Heat Pump apart from its competitors, offering precise control over your pool’s heating needs. This electric pool heater is specifically designed for above-ground pools up to 5,400 gallons, ensuring consistent and efficient heating throughout the swim season. Constructed with heavy-duty galvanized steel, it boasts a robust design that withstands harsh weather conditions. The compact dimensions of 16.5” L × 14.2” W × 17.8” H and a weight of 59 lbs make it easy to install and relocate as needed.
Key Advantages
- The inverter technology allows for continuous operation with significantly lower electricity consumption, making it an energy-saving option for pool owners.
- With built-in WiFi control, users can adjust the temperature, monitor performance, and set schedules remotely using the Smart Life APP.
- Safety is prioritized with a fully insulated heat exchange compartment, providing peace of mind for families.
Limitations
- While effective, it is not compatible with saltwater pools, which may limit its use for some pool owners.
Best suited for outdoor enthusiasts seeking an efficient and user-friendly heating solution for above-ground pools, the VARMINPOOL 16000BTU Pool Heat Pump stands out as a reliable choice.
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Intex Solar Pool Water Heater Mat 47″
The Intex 28685E Solar Pool Water Heater Mat sets itself apart with its efficient solar technology, designed to elevate your pool water temperature by approximately 5 to 9 degrees, depending on weather conditions. With an 11-square-foot surface area, this mat effectively captures sunlight to heat above-ground pools. Its dimensions of 47.25 x 47.25 inches make it a compact yet powerful addition to your pool setup.
Key Advantages
- Constructed from heavy-duty UV stabilized PVC, ensuring durability and resistance to harsh outdoor conditions.
Limitations
- Not compatible with filter pumps exceeding 1/3 HP or those with a flow rate above 2,000 GPH.
Weighing only 6.41 pounds, the mat is easy to handle and features a 1.25-inch hose attachment point along with a bypass valve and adaptors for 1.50-inch hose connections, facilitating a straightforward installation process. Its design allows for compact storage during the winter months, making it a practical choice for seasonal use.
Overall, the Intex 28685E is best for outdoor enthusiasts needing an economical and effective heating solution for above-ground pools up to 8,000 gallons. Its innovative features and user-friendly design make it a standout option in the market.
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Immersion 1800W Water Heater, Portable Pool Heater
The adjustable valve sets the Immersion Water Heater 1800W apart from competitors in the market. Constructed with a 304-grade stainless steel heating rod, this heater is designed for durability and efficiency. Its dimensions are compact, making it easy to transport, while the 6.6 ft (2 m) reinforced power cord provides ample reach for various setups.
Key Advantages
- The 1800 W element ensures rapid heating, adapting to different water volumes for optimal performance.
- Real-time temperature control allows users to monitor and adjust temperatures easily, enhancing user experience.
- Anti dry burn protection and automatic shut-off features prioritize safety, preventing overheating and ensuring peace of mind during use.
- The plug-and-play design allows for effortless setup, making it suitable for both indoor and outdoor applications.
Limitations
- Not compatible with non-standard outlets or heavy-duty commercial applications, limiting its versatility in some environments.
This immersion water heater is best for outdoor enthusiasts needing a reliable and efficient solution for heating water in bathtubs, pools, or buckets. Its rugged construction and thoughtful features make it an excellent choice for anyone looking for a dependable heating solution.
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Goplus Solar Pool Heater with Hose Connectors
The adjustable valve sets the Goplus Solar Pool Heater apart, allowing for precise control over water flow and temperature regulation. Made from 316-grade stainless steel, this heater is designed for durability and resistance to corrosion, ensuring longevity even in harsh outdoor conditions. With dimensions of 40 x 20 x 5 inches, it is compact yet efficient, suitable for various pool sizes.
Key Advantages
- The transparent dome cover maximizes sunlight penetration, enhancing solar absorption and effectively boosting pool temperatures by 5.4-7.2℉. The foldable legs provide flexibility in positioning, allowing users to adjust the angle for optimal sun exposure while ensuring stability. Additionally, the 90° rotatable hose connectors offer versatile connection options, accommodating both long and short hoses, and enabling the connection of multiple heaters in series for greater heating capacity.
Limitations
- Not compatible with pumps exceeding a flow rate of 16 GPM, which may limit its use with certain high-performance filtration systems.
Best for outdoor enthusiasts needing an efficient, eco-friendly solution for heating above-ground or in-ground pools, the Goplus Solar Pool Heater offers a reliable and user-friendly option for extending swimming seasons.
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Faq about best heater for above ground pools:
1:What is the best type of heater for above ground pools?
The best types of heaters for above ground pools are gas heaters, electric heaters, and heat pumps. Gas heaters provide quick heating, while heat pumps are energy-efficient for maintaining temperatures.
2:How do I choose the right heater size for my pool?
To choose the right heater size, consider your pool’s volume, desired temperature increase, and heating time. A common formula is to use a heater with a BTU rating of 30,000 for every 10,000 gallons of water.
3:Are electric heaters effective for above ground pools?
Yes, electric heaters are effective for above ground pools. They are easy to install and operate quietly, making them a good choice for smaller pools.
4:How long does it take to heat an above ground pool?
The heating time for an above ground pool varies by heater type and size, but generally, it can take anywhere from a few hours to a day to reach the desired temperature.
5:Can I use a solar cover with my pool heater?
Yes, using a solar cover with your pool heater can enhance heating efficiency by reducing heat loss and retaining warmth, ultimately saving energy costs.
Conclusion
Both the Aquastrong 18,000 BTU Pool Heat Pump and the VARMINPOOL 16,000 BTU Pool Heat Pump exemplify superior engineering in thermal efficiency and user-friendly operation. The Aquastrong model stands out with its robust heating capacity, ensuring optimal warmth for larger above-ground pools, while the VARMINPOOL offers a commendable balance of performance and affordability, making it an appealing choice for budget-conscious consumers.
Ultimately, selecting between these two exceptional products hinges on specific needs and preferences, as each presents unique advantages tailored to enhance the swimming experience. Investing in either option guarantees improved comfort and extended enjoyment of outdoor aquatic leisure.