Updated November 2026
Shoppers looking for a solar heater Intex pool setup usually want the same thing: warmer water without adding a gas or electric heater to the budget. The challenge is that Intex pools come in many sizes and wall heights, and the heaters sold for them vary widely in footprint, pump compatibility and how much sun they actually need. This guide compares seven options with those differences in mind. The selection criteria were pump compatibility, collector size relative to pool volume, ease of setup on a typical Intex frame pool, and the patterns owners commonly describe in reviews, such as leaks at fittings or slow warming in cloudy weather. None of these products were tested by the author; the notes below reflect manufacturer specifications and recurring owner feedback.
Our top picks at a glance
- 1
TOP CHOICEBest overallIntex28685E Solar Pool Water Heater MatView on Amazon - 2
TOP CHOICEBest for larger poolsDoheny's Solar Heating Systems for Above Ground Swimming Pools (2.5' x 20' Collector Kit)View on Amazon - 3
TOP CHOICEBest for year-round heating16000BTU Pool Heat Pump, 5.5 COP High Energy EfficientView on Amazon - 4
Best for simple placementBestway Solar-Powered Pool Heating PadView on Amazon - 5
Best for round pool shapesVINGLI Solar Pool Heater Above Ground Domed Solar Powered Swimming PooView on Amazon - 6
Best budget pickGoplus Solar Pool Heater for Above Ground Pool Inground Pools 2.5FT x 10FTView on Amazon - 7
Best for seasonal storageExtends Swimming Season Rollable PE Solar Pool Heater 20FTView on Amazon
Our Top Picks
The table below summarizes the seven products. Order in the detailed sections follows how closely each fits the selection criteria, starting with the options most directly matched to Intex pool hardware.
| Product | Best for | Key feature |
|---|---|---|
| Intex28685E Solar Pool Water Heater Mat | Intex pools using an Intex filter pump | Designed for INTEX Filter Pumps up to 2,000 GPH |
| Doheny’s Solar Heating Systems (2.5′ x 20′ Kit) | Larger above-ground pools | Long collector length for more heated surface |
| 16000BTU Pool Heat Pump, 5.5 COP | Year-round heating in mild climates | Heat pump with cooling mode and smart controls |
| Bestway Solar-Powered Pool Heating Pad | Quick, low-effort placement | Lays on pool floor or deck area |
| VINGLI Solar Pool Heater Domed Coil | Round above-ground pools | Contour coil design for round walls |
| Goplus Solar Pool Heater 2.5FT x 10FT | Budget-minded setups | Weatherproof panel in short lengths |
| Rollable PE Solar Pool Heater 20FT | Seasonal pool owners | Rolls up for storage |
Intex28685E Solar Pool Water Heater Mat
Intex28685E – Energy-Efficient Heating – Designed to work with INTEX Filter Pumps up to 2,000 GPH, 47.25" x 47.25" Solar Pool Water Heater Mat for Above Ground Swimming Pools
Best for: Intex pools using an Intex filter pump
This is the most direct match for an Intex system. It is built for owners who already run an Intex filter pump and want a heater that fits the same plumbing approach without adapting fittings.
Key specs
- Mat size: 47.25 in x 47.25 in
- Designed for INTEX Filter Pumps up to 2,000 GPH
- Intended for above-ground swimming pools
Pros
- Matched to Intex filter pump flow rates
- Compact footprint for small yards and decks
- Simple layout with few connections
Cons
- Limited heating surface for large pool volumes
- Warming slows noticeably on overcast days
Bottom line: Best for owners with an Intex pump and a moderate pool size who want a no-fuss add-on.
Doheny’s Solar Heating Systems for Above Ground Swimming Pools (2.5′ x 20′ Collector Kit)
Best for: Larger above-ground pools
Owners with bigger pools or cooler climates often need more collector surface than a mat can provide. This kit adds length, which generally means more solar exposure per gallon.
Key specs
- Collector size: 2.5 ft x 20 ft
- Kit format for above-ground pool plumbing
Pros
- Larger heating surface than most mats
- Suits extended swim seasons
- Works well with a dedicated bypass setup
Cons
- Requires more space and a secure mounting spot
- Fitting connections need careful sealing
Bottom line: A good fit for owners whose pools need meaningful heat gain and who have room for a longer collector.
16000BTU Pool Heat Pump, 5.5 COP High Energy Efficient
16000BTU Pool Heat Pump, 5.5 COP High Energy Efficient, Up to 5000 Gallons, Smart Heating & Cooling 110V Swimming Pool Heater for Above Ground and Inground Pool 12'*14'*48"
Best for: Year-round heating in mild climates
A heat pump is not a solar heater, but it is a common alternative for pool owners comparing options for the same Intex pool. It suits people who want consistent temperatures regardless of sun.
Key specs
- Capacity: 16000 BTU
- Rated for pools up to 5000 gallons per the listing
- 110V operation
Pros
- Heats regardless of sunlight
- Smart controls for scheduling
- Higher efficiency rating than many electric heaters
Cons
- Requires a 110V power supply and ongoing electricity use
- Larger footprint than solar options
Bottom line: Pick this if you want all-weather control and can accept running electricity; it is a different approach from a solar mat.
Bestway Solar-Powered Pool Heating Pad
Best for: Quick, low-effort placement
Owners who want to set up in minutes and avoid plumbing work often start here. A floating or laid pad is easy to move around the pool.
Key specs
- Solar-powered pad format
- Designed for Bestway-compatible pool setups
Pros
- Minimal installation effort
- Easy to reposition
- No pump connection required in many layouts
Cons
- Lower heat output than plumbed collectors
- Can be affected by debris or wind
Bottom line: Best for light heating and warm-weather extension rather than major temperature rises.
VINGLI Solar Pool Heater Above Ground Domed Solar Powered Swimming Pool Heater Contour Pool Heating Coil
VINGLI Solar Pool Heater Above Ground Domed Solar Powered Swimming Pool Heater Contour Pool Heating Coil (1 Pack)
Best for: Round pool shapes
Round above-ground walls can make flat mats awkward to fit. A contour coil follows the curve of the pool and sits in the sun-exposed area.
Key specs
- Domed contour coil design
- Intended for above-ground pools
Pros
- Shape suits round pools
- Compact relative to panel systems
- Simple to position near the pump return
Cons
- Lower surface area than long collectors
- Fittings may need adapters for some Intex models
Bottom line: A sensible choice for round pools where a mat will not sit flat.
Goplus Solar Pool Heater for Above Ground Pool Inground Pools 2.5FT x 10FT
Goplus 2.5FT x 10FT/ 20FT Solar Pool Heater for Above Ground Pool Inground Pools, Swimming Pool Solar Panel Heating System, Weatherproof Pool Warmer (2.5FT x 10FT)
Best for: Budget-minded setups
Shorter panels keep the upfront commitment modest and still provide a usable heat gain for small to medium pools.
Key specs
- Panel size: 2.5 ft x 10 ft
- Weatherproof panel construction
- Suitable for above-ground and inground pools
Pros
- Easy to fit in a small space
- Weatherproof build
- Good entry point for a first solar setup
Cons
- Shorter length limits heat output
- Requires careful flow-rate matching with the pump
Bottom line: Best for owners testing solar heating on a smaller pool before expanding.
Extends Swimming Season Rollable PE Solar Pool Heater 20FT
Extends Swimming Season, Energy Efficient PE Solar Collector, Rollable Pool Warmer for Storage Solar Pool Heater for Above Ground & Inground Pools, 1PC 20FT
Best for: Seasonal pool owners
If you close the pool each fall, a rollable collector is easier to store than a rigid panel. It also suits owners who want to extend the season in spring and fall.
Key specs
- Length: 20 ft
- PE solar collector construction
- Rollable for storage
Pros
- Stores compactly when the pool is closed
- Long heating surface
- Works for above-ground and inground pools
Cons
- Requires a stable mounting layout to avoid wind movement
- Rolling and unrolling takes some care to avoid creasing
Bottom line: A strong pick for seasonal users who want long collector length without permanent installation.
Buying Guide
Pump compatibility and flow rate
Every solar heater depends on the pump moving water through the collector at a workable rate. Many Intex filter pumps are rated in gallons per hour, and a heater whose flow requirements exceed that rate will heat poorly or create excess back pressure. Check the pump rating printed on the unit and compare it with the heater specification before buying.
Good picks for this: Intex28685E Solar Pool Water Heater Mat, Goplus Solar Pool Heater 2.5FT x 10FT
Pool volume and collector size
Heating time scales with water volume. A small mat on a large pool may take days to make a noticeable difference, while the same mat on a small pool may feel effective. Estimate your gallons (length × width × average depth × 7.5) and compare that with the collector area.
Good picks for this: Doheny’s Solar Heating Systems 2.5′ x 20′ Collector Kit, Extends Swimming Season Rollable PE Solar Pool Heater 20FT
Pool shape and wall height
Round Intex frames and oval or rectangular frames call for different mounting approaches. Contour coils suit round walls, while flat mats and long panels need a clear, level surface. Measure the area you intend to cover before ordering.
Good picks for this: VINGLI Solar Pool Heater Domed Coil, Bestway Solar-Powered Pool Heating Pad
Climate and sun exposure
Solar output depends on local sunlight hours and temperature. Owners in cloudy regions often find that solar alone cannot hold temperatures during cool nights. If your season is short or unpredictable, consider how much the heater must accomplish on its own.
Good picks for this: 16000BTU Pool Heat Pump 5.5 COP, Rollable PE Solar Pool Heater 20FT
Installation effort and placement
Plumbed systems require connections to the pump return line and usually a bypass valve. Floating or laid-out pads need almost no plumbing but are less controllable. Decide how much work you want before choosing a style.
Good picks for this: Bestway Solar-Powered Pool Heating Pad, Intex28685E Solar Pool Water Heater Mat
Durability and weather resistance
UV exposure, freezing temperatures and wind all affect plastic collectors over time. Look for UV-stabilized materials and weatherproof construction. Owners in cold regions should drain the collector before freezing weather to avoid cracking.
Good picks for this: Goplus Solar Pool Heater 2.5FT x 10FT, Extends Swimming Season Rollable PE Solar Pool Heater 20FT
Storage and seasonal use
If the pool is drained or covered for winter, a heater that rolls up or disassembles saves space and reduces wear. Plan where it will live when not in use.
Good picks for this: Extends Swimming Season Rollable PE Solar Pool Heater 20FT, Bestway Solar-Powered Pool Heating Pad
FAQ
Will a solar heater work with my Intex pool pump?
Most Intex solar heaters are designed around Intex filter pump flow rates. Check the pump’s gallons-per-hour rating and compare it with the heater’s specified flow range. A mismatch can reduce heating or strain the pump.
How much heat can a solar heater add to an Intex pool?
Results vary with sunlight, pool size, water flow and air temperature. Manufacturers typically describe gains in terms of degrees over a day or several days, but actual performance depends heavily on conditions. Plan for gradual warming rather than rapid heating.
Do I need a bypass valve?
Many plumbed solar setups use a diverter or bypass valve so you can send water through the collector only when it is sunny or when you want heat. Without one, you may have to manage flow manually.
Can I use a solar heater in cold weather?
Solar heaters work best in warm sun. In cold weather they can freeze, so drain the collector and follow the manufacturer’s winterization instructions. Use the pool cover at night to hold heat.
Is a heat pump better than a solar heater for Intex pools?
They serve different needs. A heat pump heats regardless of sun but uses electricity. A solar heater is low-running-cost but depends on sunlight. Many owners compare both based on climate and how important consistent temperature is.
How do I know if the heater is leaking?
Check connections after the pump runs and look for drips at the fittings and collector seams. Tighten fittings by hand first and use thread sealant where the manufacturer recommends it. Consult a licensed pool professional if you are unsure about electrical components on heat pumps.
Conclusion
For a dedicated Intex setup, the Intex28685E Solar Pool Water Heater Mat is the most directly matched option, especially if your pool is small to medium and your pump is an Intex filter. Larger pools with plenty of sun may do better with the Doheny’s 2.5′ x 20′ kit or the 20-foot rollable PE collector. Round-wall owners should look at the VINGLI contour coil, while budget-focused or seasonal buyers may prefer the shorter Goplus panel or the rollable option. If consistent temperature matters more than running costs, the heat pump is a different path worth comparing. Match collector size, pump flow and local sunlight before you commit.
Sources
- Guidance on solar energy basics and how solar thermal systems work (energy.gov)
- Pool and spa safety information and product recall notices (cpsc.gov)
- Research on solar thermal performance and system design (nrel.gov)
