Top 10 Best pool heaters in 2025

Introduction

Looking for a reliable pool heaters in 2025? You’re not alone. With so many models available today, it’s easy to get lost—especially when descriptions are vague or customer reviews are all over the place. That’s why we decided to sort things out. Not by claiming to know everything, but by analyzing what sells well, what real users say, and what’s worth your attention both on paper and in practice. Our goal isn’t to drown you in technical details, but to guide you toward the best possible choices—without wasting hours comparing on your own. In short, a practical and hopefully useful guide.

See the full ranking

Our Top 3

PromoN° 1
Bestway Pool Heater for Above Ground Pools, Suitable for 15ft Swimming Pools, Grey
  • ULTRA-EFFICIENT POOL HEATER: keep your pool at the perfect temperature with the Bestway Pool Heater. Designed for use with multiple pool sizes, this heater is perfect if you’re looking for consistency and reliability
  • SOFT TOUCH CONTROL: Control with ease using the soft touch panel. Ergonomically designed to be used while remaining comfortable, it has control options to suit you
  • COMPATIBLE WITH: with above ground pools between 1,520-17,035 L (400-4,500 gal.) in water capacity and with 3,785 L (1,000 gal.) or smaller cartridge & sand filter pumps
  • EFFICIENT DESIGN: 2,9000 W at 220-240 V for efficient usage, this heater will get the water warmer faster while using the minimum amount of energy
  • WATER SENSOR: features and effective power switch and temperature control panel with on/off button for precise adjustments
N° 2
Intex Pool Heater
  • Suitable for above ground pools 15' or below
  • Take the chill off your pool
  • Only suitable for use with round Easy Set or Metal Frame pools
  • Easy to connect up to your pool
  • 230V Electrical Heater
N° 3
Intex 56684BS 2.2KW Above Ground Pool Heater - Electric Pool Heater
  • Suitable with the Round Easy Set or Metal Frame swimming pools upto 12ft
  • Simple to install and use
  • Water level sensor
  • 2.2kW
  • UK RCD plug

How to choose a good pool heaters?

On the surface, choosing a pool heaters seems simple. But once you dig in, it gets more complicated. Between technical differences, unfamiliar brands, and unclear features, it’s better to ask the right questions:

  • Usage: Will you use it daily or only occasionally? That heavily influences the right model.
  • Budget: No need to go for the most expensive one right away. What matters is the value for money.
  • Key factors:
    • Durability, build quality, lifespan
    • Truly useful features (not just marketing buzz)
    • User reviews, especially after weeks or months
    • Availability of customer service in case of issues

We’ve cross-checked multiple sources: Amazon data, detailed reviews, search trends… and a bit of intuition too—because numbers don’t tell the whole story. This mix allows us to build our ranking, which we update regularly. The goal isn’t to just list names but to guide you toward what truly works.

Our Top 10 Best pool heaters

PromoN° 1
Bestway Pool Heater for Above Ground Pools, Suitable for 15ft Swimming Pools, Grey
  • ULTRA-EFFICIENT POOL HEATER: keep your pool at the perfect temperature with the Bestway Pool Heater. Designed for use with multiple pool sizes, this heater is perfect if you’re looking for consistency and reliability
  • SOFT TOUCH CONTROL: Control with ease using the soft touch panel. Ergonomically designed to be used while remaining comfortable, it has control options to suit you
  • COMPATIBLE WITH: with above ground pools between 1,520-17,035 L (400-4,500 gal.) in water capacity and with 3,785 L (1,000 gal.) or smaller cartridge & sand filter pumps
  • EFFICIENT DESIGN: 2,9000 W at 220-240 V for efficient usage, this heater will get the water warmer faster while using the minimum amount of energy
  • WATER SENSOR: features and effective power switch and temperature control panel with on/off button for precise adjustments
N° 2
Intex Pool Heater
  • Suitable for above ground pools 15' or below
  • Take the chill off your pool
  • Only suitable for use with round Easy Set or Metal Frame pools
  • Easy to connect up to your pool
  • 230V Electrical Heater
N° 3
Intex 56684BS 2.2KW Above Ground Pool Heater - Electric Pool Heater
  • Suitable with the Round Easy Set or Metal Frame swimming pools upto 12ft
  • Simple to install and use
  • Water level sensor
  • 2.2kW
  • UK RCD plug
PromoN° 4
Bestway | Flowclear Pool Heater, 4KW, Energy-Efficient Temperature Regulation, Grey
  • ENERGY EFFICIENT: keep your pool water warm as the temperatures begin to drop so you can enjoy all year-round quality time with your friends and family with this energy efficient, temperature regulating Pool Heater
  • DURABLE MATERIAL: designed with durability in mind, the anti-corrosion, titanium heat exchanger is built to last and is IPX5 waterproof for increased safety! The internal protection function avoids inner system damage by preventing the heater to run in temperatures colder than 12 C / 54 F
  • LOW ENVIRONMENTAL IMPACT: this energy efficient pool heater uses the most eco-friendly heating agent on the market: the GWP R32 refrigerant – so you can enjoy a warm and comfortable swim whilst feeling good about heating your pool in the colder months
  • COMPATIBLE: with above ground pools: water capacity of up to 30,000 L (7,925 gal.) in water capacity, flow rates (of cartridge or sand filter pumps) of 2,006 L (530 gal.) and above. Easy to install and simple to use, this pool heater is a game changer for lovers of above ground pools
  • CONTENTS: 1 Pool Heater – includes adapters for both 3.2cm (1.25 inch) and 3.8 (1.5 inch) filter pump connection. Product dimensions: length: 42.5cm / 16.73 inch, width: 36.5cm / 14.37 inch, height: 44cm / 17.32 inch.
PromoN° 5
Intex 28685 Pool EcoFriendly Solar Heating Mat, Includes 32mm hose attachment points Suitable for above-ground pools with a capacity less than 30,280L
  • 1m x 1m surface to absorb sun's rays Dimensions before filling 1.20m x 1.20m.
  • Includes 32mm hose attachment points and 2 B adapters for use with 38mm hoses
  • Simply attach to a filter pump up to 1/3 hp or pump flow rate less than 2,000gph (7,570L/h)
  • Eco-friendly Solar technology that increases the temperature of the pool water by approximately 3-5deg depending on the size of pool and weather conditions.
  • Suitable for above ground pools with a capacity less than 30,280L (8,000gals). Mats can be joined together for bigger pools.
PromoN° 6
Intex Eco-Friendly Solar Heating Mat for Swimming Pools #28685
  • Eco-friendly Solar technology.
  • Increases pool temperature by 3-5 degrees
  • Suitable for AGP's up to 8,000 gal (30,280L)
  • Easy to drain and store.
  • Simple hook up.
PromoN° 7
Generic Portable Water Heater, Immersion Heater, 2500W, Black, Stainless Steel, 240V, Heats 5 Gallons in Minutes
  • [Enhanced Safety Features]- Our bucket water heater features a robust stainless steel guard that shields the heating, ensuring no direct contact with people or animals. The strategically placed holes in the guard facilitate quicker heat transfer into the water. Additionally, the auto power-off function prevents dry burning, providing peace of mind
  • [Effortless Temperature Control]- Our electric water heater boasts a built-in thermostat with an automatic shutoff feature. It ensures the water stays at the perfect temperature without the risk of overheating. Indulge in a daily bath to unwind and soothe fatigue. Remember to keep the heater out of the water during operation for optimal safety
  • [Rapid Heat-Up Capability]- Experience the power of our 1500W/2500W bird's nest water heater, capable of heating 5 gallons of water in minutes. Dive into a small pool for instant fun, fostering stronger family connections. Save time and energy with our efficient heating solution
  • [Simple Operation Instructions]- Our immersion water heater offers simplicity at its best. Just immerse the electric heater into your water container, ensuring the heating is fully covered by the stainless steel protection, then plug it into any standard wall socket. Remember to keep the power cord and black handle dry for safety
  • [Versatile Usage Options]- Our submersible water heaters are incredibly versatile, suitable for various container sizes like small pools, buckets, washbasins, and bathtubs. They can also be used for heating water to wash dishes, food, and more, ensuring you never have to endure cold water exposure again
PromoN° 8
Steinbach Speed Solar Sun 49120 Solar Pool Heater Low-Density Polyethylene 0.7 x 3 m for Pools with Capacity of up to 12 Cubic Metres/Hose Connector Diameter 32/38 mm
  • High quality, long-lasting LDPE collectors
  • Can be extended indefinitely
  • Ready to assemble
  • The solar collector is suitable for salt water
  • Dimensions: 3.0 x 0.7 metre Weight: 6 kg maximum pressure of 1 bar at 20° C water flow rate at least 2,000 litre/hour. max. 10,000 litre/hour
N° 9
Bestway Pool Heater 2800 W 42.6 x 26.6 x 18.7 cm
  • High performance pool heating: with 2,800 W, the Bestway pool heater provides warm water. Ideal for pools with 1,520-17,035 litres and filter systems up to 3,785 l/h.
  • EASY AND INTUITIVE OPERATION: The digital soft-touch control panel allows effortless monitoring and operation. Heats the pool water by 0.5-1.5°C, depending on volume and outside temperature, up to a maximum of 40°C.
  • High-quality safety features: flow sensor and personal protection switch offer high safety. GS certified by TÜV Rheinland for added reliability.
  • Comprehensive accessories: the package includes a 1 metre long hose with a diameter of 32 mm and two hose clamps. Everything you need to start the heater immediately and easily is already included.
  • Reliable customer service: If you have any questions or problems, our customer service is always at your disposal to ensure that you have the best experience with your new pool heater.
N° 10
Bestway | Solar-Powered Pool Heating Pad
  • POOL HEATING PAD: Offers an energy-efficient and eco-friendly solution to warm up the water in your above ground pool. Harnessing the power of the sun to heat up your pool water!
  • EASY TO USE: It features two hose outlets – one connects to your filter pump, and the other to your pool. Clear and clean water is circulated through the pad, where it absorbs solar heat before returning to the pool, ensuring a gradual and even increase in water temperature.
  • ENERGY-EFFICIENT: features heating and temperature regulation, designed from durable weather resistant materials for long term use!
  • INCREASES POOL TEMPERATURE: Depending on weather conditions, the Solar-Powered Pool Heater Pad can raise pool temperatures by 3-5ºC (5-9ºF).
  • COMPATIBLE: Designed to be versatile, this heating pad is compatible with cartridge filter pumps with flow rates of 9,462 L (2,500 gal.) and above, as well as sand filter pumps with flow rates of 8,327 L/h (2,200 gal.) and above. It includes adapters for both 3.2 cm (1.25 in.) and 3.8 cm (1.5 in.).

Frequently Asked Questions (FAQ)

What is the best pool heaters?
It depends on your needs, but the top 3 products are generally the most balanced options.

How do I maintain it properly?
It varies by model. The best approach is to follow the manufacturer’s recommendations (yes, reading the manual is worth it).

Where to buy it with confidence?
Amazon remains a solid choice: wide selection, easy returns, and tons of user reviews—hard to beat.

Do I need a big-name brand?
Not necessarily. Lesser-known brands can be surprisingly good, with well-designed products that rival top names—at a lower cost. Don’t overlook them just because the name is unfamiliar.

What are the most common pitfalls?
A super low price might be tempting but could signal major compromises (build quality, reliability, nonexistent support…). Also beware of product pages with no reviews or vague comments. Spend a few minutes reading real feedback—this is often where the most valuable info is.

How is our ranking built?

We don’t claim to have a magic formula. In reality, it’s a blend of data—ratings, sales volume, review frequency—and observation. We watch for recurring themes in reviews, compare search trends, and yes, sometimes rely on our gut feeling. A great product isn’t just numbers. Our ranking aims to balance all of that: data, common sense, and a lot of time spent checking.

We analyze scores, sales frequency, genuine reviews (not just stars), and current search trends. Each model is rated using a consistent set of criteria. While it’s not perfect, it helps us stay fair and consistent. And we update our lists often, because products evolve—and so do we.

Why trust Topelio?

Topelio is an independent website—we don’t sell these products and we’re not tied to any brand. What drives us is clarity and usefulness. We aim to produce practical, readable, honest content. Our rankings are based on public data, complemented by our own experience. No shady partnerships or biased recommendations—just a genuine effort to save you time, and maybe money too.

See all pool heaters on Amazon

Conclusion

Thanks for taking the time to read this guide. Choosing a pool heaters might seem trivial, but it’s often more complicated than expected. Too many options, unclear product pages, and marketing promises that don’t help… That’s why we aimed to create a simple but solid comparison. With practical info, useful tips, and most importantly—a ranking based on reality. Take time to compare, read more reviews if needed, and choose based on your own priorities. What works for someone else might not be ideal for you. If this guide helped you, feel free to explore our other articles. We always try to add real value—without wasting your time. See you soon on Topelio.

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