Intex Solar Heating Mat Review: The Eco-Friendly Way to Take the Chill Off Your Pool?

There’s a special kind of disappointment reserved for a beautiful, sun-drenched summer afternoon when the pool water is just too cold to enjoy. We’ve all been there. You see the sun sparkling on the surface, you imagine the blissful relief from the heat, and you take the plunge—only to be met with a breathtaking, teeth-chattering shock. The kids hesitate on the edge, dipping a toe in before retreating, and your dreams of a relaxing float are replaced by a frantic scramble to get out. An above-ground pool should be the centrepiece of summer fun, but when it’s too cold, it becomes little more than a large, decorative puddle. This is the exact problem we sought to solve, looking for an affordable, eco-friendly way to extend our swimming season and make every sunny day a pool day. That search led us directly to the Intex Solar Heating Mat, a product that promises to harness the power of the sun to take that icy edge off the water.

Sale
Intex Eco-Friendly Solar Heating Mat for Swimming Pools #28685
  • Eco-friendly Solar technology.
  • Increases pool temperature by 3-5 degrees

What to Consider Before Buying a Solar Pool Heater

A solar pool heater is more than just an accessory; it’s a key solution for unlocking the full potential of your above-ground pool, especially in climates where summer isn’t relentlessly hot. Its primary benefit is turning free, abundant sunlight into usable heat for your pool, raising the water temperature by a few crucial degrees. This small change can be the difference between a hesitant dip and hours of comfortable fun. By using a solar heater, you’re not only extending your swimming season into the cooler days of late spring and early autumn, but you’re also doing so with zero additional energy costs and a minimal environmental footprint. It’s a simple, passive system that works in harmony with your existing pool pump to make your investment in a pool pay off with more comfortable, usable days throughout the year.

The ideal customer for this type of product is someone with a small to medium-sized above-ground pool (up to 8,000 gallons, as Intex suggests) who has access to a consistently sunny spot to lay the mat flat. They are patient, understanding that this is a gradual heating method, not an instant hot tub. It’s perfect for the budget-conscious and eco-aware pool owner who wants to “take the chill off” rather than achieve bath-like temperatures. However, it might not be suitable for those with very large pools, as the heating effect would be negligible without a significant, space-consuming array of mats. It’s also not for someone who needs guaranteed heat on-demand, regardless of the weather. For those users, an electric or gas heater, while more expensive to run, would be a more appropriate alternative.

Before investing, consider these crucial points in detail:

  • Dimensions & Space: The Intex Solar Heating Mat measures 1.2 by 1.2 metres. This might not sound like much, but it needs to be laid perfectly flat in an area that receives direct, sustained sunlight for most of the day. Before buying, you must measure your available space next to your pump and pool. For larger pools, you will likely need to chain two or three mats together, so you’ll need to account for that multiplied footprint.
  • Capacity/Performance: This mat is rated for pools up to 8,000 gallons and claims to increase temperatures by 3-5°C. This performance is entirely dependent on external factors: ambient air temperature (Intex specifies it works best above 26°C), direct sunshine, and the initial temperature of your water. It’s crucial to have realistic expectations; this device enhances the sun’s natural warming, it doesn’t replace it.
  • Materials & Durability: The mat is made from a heavy-duty, UV-stabilised material designed to absorb heat. While the concept is sound, user experiences suggest that quality can be inconsistent. The thin water channels can be fragile, and some have reported leaks developing at seams or connection points over time. Durability is often linked to careful setup and handling.
  • Ease of Use & Maintenance: In theory, setup is simple: connect the mat in-line with your filter pump. In practice, as we discovered and many users confirm, it can be fiddly. The mat arrives folded, and removing the resulting kinks to ensure proper water flow is the biggest challenge. Long-term care involves draining and storing it properly during the off-season to prevent frost damage.

Understanding these factors is key to determining if a solar mat is the right solution for your pool heating needs.

While the Intex Solar Heating Mat is an excellent choice for the right situation, it’s always wise to see how it stacks up against the competition. For a broader look at all the top models, from solar to electric, we highly recommend checking out our complete, in-depth guide:

SaleBestseller No. 1
Intex Pool Heater
  • Suitable for above ground pools 15' or below
Bestseller No. 2
XL LX Chinese 1.5 inch Hot Tub Heater with Thermoregulator 2kw version MPN H20-RS1
  • Sold by Pool and Spa Centre - Official stockist of LX products
Bestseller No. 3
Stainless Steel Swimming Pool Heater 28kw Stainless Steel Swimming Pool Heat Exchanger Pool Heat...
  • 【Sturdy Build】Crafted from polished 304 stainless steel, this heat exchanger resists water damage and lasts long, making it perfect for chlorinated or saltwater pools and spas where corrosion is a...

First Impressions and Key Features of the Intex Solar Heating Mat

Unboxing the Intex Solar Heating Mat is a straightforward affair. Inside the box, you find the mat itself, tightly folded into a compact square, along with a fixing kit that includes hose connectors, clamps, and a crucial bypass valve. Our initial impression of the material was positive; it feels thick and robust, like a heavy-duty pool liner, designed to withstand the elements. However, the first challenge presents itself immediately. The tight folding required for packaging creates significant creases and kinks in the mat’s delicate internal water channels. It’s clear from the outset that getting it to lie perfectly flat for optimal water flow won’t be as simple as just rolling it out. The included components feel adequate for the job, with standard 32mm hose attachment points that should integrate seamlessly with most Intex and similar above-ground pool pump systems. The concept is brilliantly simple: a large black surface that absorbs solar radiation, transferring that heat to the water as it slowly circulates through. It’s a design that promises efficiency through simplicity, and you can see its full feature set and user reviews to get a better sense of the package.

Advantages

  • Completely eco-friendly with zero running costs (beyond the pump)
  • Noticeably increases water temperature on sunny days
  • Scalable design allows for connecting multiple mats for larger pools
  • Simple, passive technology with no complex electronics

Drawbacks

  • Performance is entirely dependent on direct sunlight and warm weather
  • Prone to kinks and blockages which severely restrict water flow

A Detailed Look at the Intex Solar Heating Mat in Action

Putting a product through its paces is about more than just checking if it turns on. For the Intex Solar Heating Mat, it involved days of observation, temperature checks, and a fair bit of tinkering. We wanted to understand not just if it heats the water, but how it integrates into the pool ecosystem, the challenges it presents, and whether the performance justifies the effort. We analysed everything from the initial setup frustrations to the satisfying feeling of warmer water returning to the pool, providing a comprehensive picture of what to expect.

Setup and Installation: A Battle Against Kinks and Flow Rates

The journey with the Intex Solar Heating Mat begins with a significant challenge: the setup. While the included instructions present a simple diagram of connecting the mat between your filter pump and the pool’s water inlet, the reality is more nuanced. Our first task was unfolding the mat. As many users have reported, the deep creases from packaging are a major obstacle. We laid ours out in the sun for several hours, which helped soften the material, but some kinks in the tiny waterways persisted. We found that manually massaging these channels and even carefully stretching the mat was necessary to ensure a clear path for water. One user described needing “four separate people” pulling on the corners to get it flat, and while we managed with two, the sentiment is accurate. Patience is absolutely essential here.

Connecting the hoses was relatively simple thanks to the included adaptors and clamps. However, this is where the second major issue, flow rate, comes into play. The mat introduces significant resistance into your pump’s circulation system. We hooked it up to a standard Intex 530 gallon-per-hour (gph) pump, and the reduction in the flow of water returning to the pool was immediately obvious. This is a critical point echoed in user feedback; one user noted it “reduces the flow so much that it stops cleaning the pool.” Another experienced such a severe blockage that their pump actually broke from the strain. The included bypass valve is meant to mitigate this, allowing you to divert some water directly back to the pool, but finding the right balance between heating and adequate circulation can be tricky. We found a 50/50 split was a reasonable compromise, but for those with lower-powered pumps, the flow reduction might be unacceptable. This is a product that requires some effort to get right, a fact you can confirm by checking the latest price and availability and reading through shared experiences.

Heating Performance: Managing Expectations for Solar Power

Once we overcame the setup hurdles, the real test began. Does the Intex Solar Heating Mat actually heat the pool? The answer is a qualified yes. On a bright, sunny day with an ambient temperature of around 28°C, the effect was undeniable. By placing a hand over the return jet, you can feel that the water re-entering the pool is tangibly warmer than the rest of the pool water. We used a digital thermometer and found the water leaving the mat was consistently 2-3°C warmer than the water entering it. This aligns perfectly with the experience of a user who used a thermal camera to visualise the process, confirming a tangible temperature differential across the mat.

However, it is crucial to understand this is a game of slow, steady gains, not rapid heating. The manufacturer’s claim of a 3-5°C rise refers to the total pool temperature over a full day of optimal conditions. Our 10-foot pool, starting at a brisk 19°C in the morning, climbed to a much more pleasant 24°C by late afternoon. This was achieved using two mats in series and, critically, a solar cover on the pool to trap the heat. Without a cover, much of that hard-earned warmth will be lost to evaporation and cooler nighttime temperatures. The mat works, and it works well under the right conditions, but it is one part of a system. It requires sun, a properly flowing pump, and a good solar cover to be truly effective. It brilliantly takes the chill off, making the pool inviting rather than shocking.

Sizing and Scalability: How Many Mats Do You Really Need?

A single Intex Solar Heating Mat is, in our opinion, only suitable for the smallest of paddling pools. For any standard above-ground pool, you will need to think in multiples. The product’s documentation and user consensus both point towards a scalable approach. For our 10-foot round pool (approx. 1,250 gallons), we tested with both one and two mats. With a single mat, the effect was minimal. With two mats connected in series, the temperature increase was far more noticeable and rewarding. One satisfied user with a 3m x 2m pool (approx. 1,600 gallons) confirmed that two panels were necessary to get their water from 19°C to 27°C on a hot day.

Connecting them is as simple as running a hose from the outlet of the first mat to the inlet of the second. However, this scalability comes with a caveat: every mat you add increases the back-pressure on your pump. This reinforces the importance of your pump’s power. Many users with standard, bundled pumps find that two mats is the functional limit before water flow is compromised too severely. A smart strategy, employed by several experienced users, is to run the solar mats on a completely separate circuit with a dedicated, smaller pump (like a pond or caravan pump). This allows the main filter pump to run unimpeded, ensuring proper pool sanitation, while the second pump focuses solely on slowly circulating water through the mats for maximum heat absorption. It’s an extra investment, but one that perfects the system.

Durability and Long-Term Use: A Question of Quality Control

When you purchase a product designed to sit outside in the sun and have water constantly pumped through it, durability is a primary concern. The Intex Solar Heating Mat has a mixed record in this department. On one hand, we have users who report using the same mats for several years without issue, pulling them out each spring to extend their swimming season. The UV-stabilised material seems to hold up well to sun exposure over time. Our test unit survived our review period without any signs of degradation, feeling robust enough for a season or two at minimum.

On the other hand, there is a concerning number of reports detailing quality control failures. Some users have experienced “a very fine leak from a weld” within just hours of the first use. Others have had the diverter valve leak or have discovered pinhole leaks after only a few days. This suggests an inconsistency in manufacturing. While the design is sound, the execution can sometimes be lacking. Furthermore, we noticed that on very hot days, the black material can become very soft and warp slightly, which could potentially pinch the internal channels if not laid on a perfectly flat and stable surface. Potential buyers should be aware that while many units are perfectly reliable, there is a small but tangible risk of receiving a faulty one, making it a product where exploring its features and warranty details beforehand is a wise move.

What Other Users Are Saying

Across the board, user feedback paints a picture of a product that is effective but demanding. The positive sentiment is strong among those who get the setup right and have realistic expectations. One user perfectly summarised this, stating, “These work really well once setup correctly… they definitely work to take the chill out of the pool.” Another celebrated a huge success, reporting their pool reached 34°C during a UK heatwave using two mats and a solar cover. These success stories almost always involve multiple mats, ample sunshine, and careful management of water flow.

Conversely, the negative feedback almost exclusively centres on two issues: flow restriction and leaks. A frustrated user noted, “Whatever I try the folds won’t come out and the best way pump doesn’t have enough pressure to open the restriction so you get very little flow.” This highlights the critical role of the pump and the initial battle with the mat’s creases. Another common complaint relates to quality, with one person stating, “Both panels are now no good for use. They both have sprung leaks.” This feedback reinforces our finding that there’s a degree of luck involved in getting a perfectly manufactured unit. It’s a product that can deliver great results but requires a bit of DIY spirit and potentially some troubleshooting.

How Does the Intex Solar Heating Mat Compare to Alternatives?

The Intex Solar Heating Mat exists in a competitive market. While it offers a great low-cost entry point, it’s important to see how it stacks up against other options, from near-identical rivals to completely different heating technologies. Understanding these alternatives will help you decide if the Intex mat is truly the best fit for your specific needs and budget.

1. Intex Pool Solar Heating Mat

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"Intex 28685 Pool EcoFriendly Solar Heating Mat, Includes 32mm hose attachment points Suitable for...
  • 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

This alternative, also from Intex, is essentially the same product, often appearing in different packaging or as part of a different regional stock. Its specifications, dimensions (1.2m x 1.2m), and principle of operation are identical to the model we reviewed. Therefore, it shares all the same strengths and weaknesses. You can expect the same noticeable temperature increase on sunny days, the same eco-friendly operation, and unfortunately, the same potential frustrations with kinks, flow reduction, and quality control. Choosing between this and our reviewed model will likely come down to availability and minor price differences at the time of purchase. It’s a direct competitor that offers no significant functional variance.

2. Intex Pool Heater

Sale
Intex Pool Heater
  • Suitable for above ground pools 15' or below
  • Take the chill off your pool

This is an entirely different beast and represents the next step up in pool heating. As an electric heater, it offers one huge advantage over any solar mat: reliability. It will heat your pool to a desired temperature regardless of whether it’s sunny or overcast, day or night. This is the choice for someone who wants guaranteed warm water on demand. However, this reliability comes at a significant cost. Electric heaters consume a substantial amount of electricity, which will be reflected in your utility bills. While the upfront cost might be comparable to buying several solar mats, the long-term running cost is much higher. It’s a trade-off between the solar mat’s free-but-fickle heating and the electric heater’s consistent-but-costly performance.

3. Steinbach Speed Solar Pool Heater

Steinbach Speed Solar Sun 49120 Solar Pool Heater Low-Density Polyethylene 0.7 x 3 m for Pools with...
  • High quality, long-lasting LDPE collectors
  • Can be extended indefinitely

The Steinbach Speed Solar Sun offers a different take on the same solar heating concept. Instead of a square mat, it’s a long, narrow roll measuring 0.7m by 3m. This form factor can be a significant advantage for those with limited or awkwardly shaped garden space, as it can be laid along a wall, on a shed roof, or down a narrow path more easily than the bulky Intex square. It connects to standard 32/38mm hoses and works on the same principle of black material absorbing sunlight. While it claims to be suitable for pools up to 12 cubic metres (around 3,100 gallons), its performance will still be entirely sun-dependent. It’s an excellent alternative for those who like the solar concept but find the Intex mat’s dimensions impractical for their setup.

Our Final Verdict: Is the Intex Solar Heating Mat a Smart Buy?

After extensive testing and analysis, our verdict on the Intex Solar Heating Mat is clear: it is a smart buy, but only for a specific type of pool owner. If you have a small-to-medium above-ground pool, a consistently sunny spot to place one or more mats, realistic expectations about performance, and a willingness to be patient with a sometimes-fiddly setup, then this product offers exceptional value. It successfully delivers on its promise to “take the chill off” the water, turning a bracing plunge into a comfortable swim using nothing but free energy from the sun. The zero running costs and eco-friendly nature are huge selling points.

However, it is not a magic bullet. It will not turn your pool into a hot tub overnight, and its effectiveness is entirely at the mercy of the weather. The issues with flow restriction and inconsistent quality control are real drawbacks that cannot be ignored. For those who need guaranteed heating or have larger pools, an electric heater is a more suitable, albeit more expensive, option. For the right person, though, the Intex Solar Heating Mat is a fantastic, budget-friendly way to significantly enhance your summer fun, extending your swimming season and getting more enjoyment out of your pool investment.

Last update on 2025-11-13 / Affiliate links / Images from Amazon Product Advertising API