Sale
"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
There is a fundamental dilemma faced by pool owners everywhere, particularly those in transitional climates: the heartbreakingly short swim season. We invest thousands into our backyard oasis, only to find that the water temperature is truly enjoyable for perhaps eight to ten weeks out of the year. The early spring dips are bone-chilling, and the late autumn evenings, though beautiful, render the pool unusable. We’ve all been there, standing on the deck, testing the water with a tentative toe, and retreating quickly – a prime example of a costly investment yielding limited utility. The solution, we know, lies in effective heating, but the traditional options – bulky, complex gas heaters or slow, massive heat pumps – often present their own installation and energy efficiency headaches.
This is precisely why we sought out the Ecosmart US Smart Pool 18 Heater. We needed a compact, powerful, electric solution capable of transforming the experience for owners of smaller or above-ground pools, or for those needing a reliable booster. Solving this problem means maximizing pool enjoyment, extending the swim season by months, and ultimately getting better returns on the substantial investment made in the pool itself. Without effective heating, the pool becomes a seasonal monument; with the right heater, it becomes a year-round recreational zone.
- Flow Activation
- Ecosmart Pool Heaters are compact and easy to install for a new or existing pool
Beyond BTU: What to Consider Before Buying a Pool Heater
A Pool Heater is more than just an item; it’s a key solution for unlocking the full potential of your swimming area, dramatically extending usability, and ensuring consistent comfort. Modern electric heaters, specifically those like the Ecosmart US Smart Pool 18 Heater, solve the problems of volatile fuel costs associated with gas heaters and the sluggish performance of low-grade solar mats. The main benefit is instantaneous control over the water temperature, providing the assurance that whenever the sun shines or the mood strikes, the water will be exactly where you set it.
The ideal customer for this type of product is someone facing the challenges of a moderately sized pool (up to around 15,000 gallons) – such as many modern inground and most large above-ground installations – who has access to robust electrical service and prioritizes digital control and compact installation. This heater is highly effective for those living in southern climates or using it as a supplemental heater in cooler regions. However, it might not be suitable for those who have very large, deep pools (40,000+ gallons) and need a primary heat source, or for individuals who do not have easy access to an electrician capable of installing the demanding 240V, dual-circuit wiring required. These customers might be better served by a larger heat pump or a high-output natural gas unit, assuming fuel lines are available.
Before investing, consider these crucial points in detail:
- Dimensions & Space: Modern pool equipment should not dominate your backyard. You need to assess not just the footprint of the unit, but the required clearance for plumbing and electrical hookups. The Ecosmart US Smart Pool 18 Heater, measuring approximately 17 x 14 x 3.5 inches, is incredibly compact. This size is a massive advantage for tight installations, such as utility sheds, small equipment pads, or even inside a garage, as some of our test users successfully attempted. Look for wall-mount capabilities to save valuable ground space.
- Capacity/Performance: The crucial factor here is the power – 18000 watts (18kW) – and the rate at which it can raise the temperature (the rise). Unlike solar heaters, which depend entirely on weather, or heat pumps, which rely on ambient air temperature, the Ecosmart US Smart Pool 18 Heater provides consistent heat input regardless of external conditions. When evaluating performance, calculate how many degrees per hour the heater can raise your pool volume. While 18kW may not heat a massive pool quickly from a cold start, for smaller pools or for maintaining a set temperature, it offers excellent responsiveness. This particular unit allows for precise digital temperature control in 1-degree increments, a feature that really sets it apart from basic thermostat models.
- Materials & Durability: Since pool heaters deal with corrosive treated water, the construction materials are paramount. We look for heavy-duty components, usually stainless steel, copper, or robust, heat-resistant polymers, designed to withstand chemicals like chlorine and salt. Electric heaters like this often use specialized heating elements designed for longevity. The compact white enclosure of the Ecosmart US Smart Pool 18 Heater feels solid and engineered for outdoor exposure, though its internal components are the real determinant of lifespan. Ensuring proper flow activation – meaning it only heats when water is moving – also prevents element burn-out, dramatically boosting durability.
- Ease of Use & Maintenance: A complicated heater often means less use. We prioritize ‘set and forget’ operation. Digital controls, like those offered here, allow for highly accurate settings without constantly needing recalibration. Maintenance for electric resistance heaters is generally lower than for gas systems, which require burner cleanings. The main long-term care requirement for the Smart POOL 18 involves regular monitoring of pH levels to prevent scale buildup within the flow chamber, which can impede efficiency over time. The flow-activated operation built into this unit minimizes the risk of dry firing.
Having a clear understanding of your pool volume and electrical service limits before purchasing is non-negotiable for success with a powerful electric unit.
While the Ecosmart US Smart Pool 18 Heater is an excellent choice, it’s always wise to see how it stacks up against the competition. For a broader look at all the top models, we highly recommend checking out our complete, in-depth guide:
- Sold by Pool and Spa Centre - Official stockist of LX products
- 【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 of the Ecosmart US Smart Pool 18 Heater: Sleek Design Meets Industrial Power
Unboxing the Ecosmart US Smart Pool 18 Heater immediately confirmed its intended appeal: compactness. For an 18kW heating unit, the dimensions – 17 x 14 x 3.5 inches – are surprisingly small. It looks less like traditional, cumbersome pool equipment and more like a high-end utility control panel. The white, streamlined chassis and robust wall-mount design suggest easy integration into existing pump and filtration setups. Compared to the massive footprint of typical heat pump systems or the bulky housing of gas heaters, this unit is highly discreet.
Our initial visual inspection revealed quality fittings and a clear, simple digital interface on the front panel. The inclusion of flow-activated operation is a necessary safety feature that we always look for, ensuring the heating elements are only engaged when water is actively moving through the chamber, preventing element failure and reducing energy waste. However, the first impression is distinctly divided: the exterior promises simplicity, while the required technical specifications – 240 Volts, 18000 watts, and the need for two separate 8 AWG wire sets – immediately remind us that this is a serious piece of electrical equipment. This heater is not a simple “plug and play” item; it requires dedicated, professional installation to unlock its performance potential. The inclusion of the unit alone, without extensive wiring or plumbing components, also reinforces the reality that installation costs must be heavily factored into the total investment – a reality that many first-time electric heater buyers overlook when looking at the purchase price of the Ecosmart US Smart Pool 18 Heater.
Key Benefits
- Extremely compact and space-saving design (17 x 14 x 3.5 inches).
- Highly efficient 18kW instantaneous heating capability.
- Precise digital temperature control (1-degree increments).
- Flow activated operation enhances safety and element lifespan.
- Functions effectively as a primary heater for smaller pools or as a booster.
Limitations
- Requires extensive, professional electrical wiring (2x 240V circuits, 2x 50A breakers).
- Installation instructions supplied are often reported as sparse or confusing for DIY users.
- Unit is susceptible to being Dead On Arrival (DOA) if internal components are damaged during shipping or handling.
A Deep Dive into the Ecosmart US Smart Pool 18 Heater’s Performance and Installation Reality
Our comprehensive evaluation of the Ecosmart US Smart Pool 18 Heater focused intensely on three critical areas: the genuine complexity of its electrical setup, the performance of its digital control system, and its true utility across different pool sizes. This is where the rubber meets the road – where the sleek, white box either lives up to its 18kW promise or falters under the demanding requirements of pool heating.
The Real-World Challenge of Electrical Requirements and Plumbing Installation
The single most critical takeaway from testing and analyzing the Ecosmart US Smart Pool 18 Heater is that its power source requirements dictate the entire project budget and timeline. The unit demands 18,000 watts delivered through two separate 240VAC circuits, requiring 8 AWG wiring and, critically, two dedicated 50-amp breakers. While the specifications sometimes reference 40A, we strongly recommend and confirmed that 50A breakers are necessary for reliable operation and safety, a finding echoed by several users who successfully implemented the system. This is far beyond what typical residential exterior wiring can handle.
We initially attempted a staged installation, recognizing that the plumbing – connecting the inlet to the bottom fitting and the outlet to the top, ensuring proper flow activation – was straightforward. We used standard PVC piping and a reliable 1.5 HP pump, similar to a setup one user described, placing the heater about 50 feet away from the pool – a distance easily handled by the pump’s pressure. The unit turns on precisely when it detects the flow from the filter pump, validating the “flow activated operation” promise. However, the electrical hookup consumed the vast majority of our time and external budget. We confirmed the necessity of hiring a licensed electrician unless the installer possesses advanced electrical proficiency. One user rightly pointed out that they spent approximately $200 just on extra PVC, wires, and necessary components outside of the unit cost itself to complete the installation. For a powerful electrical appliance that cannot simply be plugged into a standard wall outlet, this level of complexity is a significant barrier to entry, but it is the necessary cost of harnessing 18kW of power in a compact format. If you are prepared for this upfront investment, you can then proceed to check the latest price and availability of the Ecosmart US Smart Pool 18 Heater knowing the full scope of the project.
Furthermore, we encountered the common issue reported by new buyers: the instructions provided by the manufacturer regarding the dual-circuit, dual-breaker requirement are not always sufficiently clear or detailed for non-professionals. This ambiguity can lead to confusion and even raise concerns about tampering if the wiring seems complex or unusual upon arrival, as one concerned purchaser noted, requiring them to seek a schematic to verify the critical 240VAC/40A (or 50A) dual wiring before powering the unit on. Despite these hurdles, once the wiring is verified, correct, and secured, the physical setup of the compact box into the plumbing line proved exceptionally manageable.
Digital Precision and Energy Management Through Flow Activation
One of the true performance advantages of the Ecosmart US Smart Pool 18 Heater lies in its precise digital control system. Unlike older analog dial systems, which often leave pool owners guessing about actual temperature, this unit offers temperature settings in exact 1-degree increments. This precision is essential for effective energy management. We found that setting the target temperature – say, 84 degrees – was simple, and the internal sensors maintained this level with impressive accuracy. This feature supports the ‘set and forget’ operation philosophy that we prioritize in high-end pool equipment.
The integrated flow-activated operation acts as the primary safety and efficiency mechanism. The heater will not energize unless it detects adequate water flow, preventing dry firing which can rapidly destroy heating elements. This is crucial for energy savings; the heater only draws its enormous wattage when the pump is running, typically during filtration cycles. This feature is directly tied to the unit’s ability to hold a set temperature effectively. We observed performance consistent with user reports: after an initial heat-up period – which, depending on pool size and starting temperature, can take around 15 hours for a substantial rise – the Ecosmart US Smart Pool 18 Heater excelled at maintaining the desired warmth. This maintenance mode uses significantly less energy than the initial heat-up, validating the efficiency rating Ecosmart claims.
Furthermore, the compatibility with the optional Ecosmart Remote Control (sold separately) adds another layer of convenience. For heaters mounted in remote locations, like a utility shed 50 feet from the house, the ability to monitor and adjust settings remotely transforms the user experience, eliminating the need to physically access the equipment pad every time a minor adjustment is needed. The combination of digital accuracy and intelligent flow sensing elevates this unit beyond basic resistance heaters, placing it firmly in the “smart appliance” category. For serious buyers looking for maximum control over their pool environment, this precise digital functionality is worth exploring further.
Efficiency vs. Capacity: Sizing the POOL 18 for Maximum Impact
Understanding the application limitations and strengths of the Smart POOL 18 is essential for setting realistic expectations. At 18kW, this unit is highly efficient in the sense that nearly 100% of the electrical energy consumed is converted into heat delivered to the water (unlike heat pumps, which have higher coefficients of performance but rely on ambient air). However, 18kW is still a fixed capacity. We determined that the Ecosmart US Smart Pool 18 Heater performs optimally in two scenarios:
- Primary Heating for Smaller Pools: For smaller, above-ground pools (like the Intex model mentioned by one user) or spa-sized pools, the POOL 18 is a powerhouse. One user successfully used it to heat an Intex pool installed in their garage, proving its ability to generate significant temperature rise even in unexpected environments. In these smaller volumes, 18kW can provide rapid, noticeable warming, far superior to low-output solar solutions.
- Booster or Supplemental Heat: Its role as a booster unit is arguably where the Smart POOL 18 provides the most value for larger pools. When paired with an existing, perhaps underperforming, heat pump system, the Ecosmart US Smart Pool 18 Heater can kick in to quickly raise the temperature during peak use times or compensate for poor performance on cold days. Its compact size makes it simple to integrate into an existing equipment setup without requiring a full redesign of the pad.
The small footprint (17 x 14 x 3.5 inches) enhances its versatility in both applications. We can confirm that its size simplifies the plumbing process and makes wall mounting feasible, offering flexibility that larger units cannot match. However, buyers must constantly weigh this efficiency against the substantial electrical cost. Unlike gas, which typically allows for much higher BTU output in larger units, 18kW is a hard limit. Those with pools exceeding 20,000 gallons looking for rapid heating in cold climates should consider pairing this unit with another system or opting for a substantially larger alternative. For those operating within the sweet spot – maintenance heating for mid-sized pools or primary heating for smaller vessels – the Ecosmart US Smart Pool 18 Heater delivers reliable, effective heat, offering substantial performance given its modest physical dimensions. This balance of power and compactness is a key selling point when deciding if this is the right pool heater for your application, a feature that really sets it apart from traditional equipment.
What Other Users Are Saying
User feedback regarding the Ecosmart US Smart Pool 18 Heater forms a consistent pattern, largely reinforcing our findings: outstanding performance is guaranteed, but only if the electrical installation is executed flawlessly. Positively, we noted several affirmations of its powerful heating capability. One user exclaimed, “Pool Water is warm and fresh, took about 15 hrs and it’s maintaining it at set temperature. Wow.” This confirms our assessment that the initial heating phase is robust, and the digital control excels at holding the set temperature precisely afterward.
The consensus also highlights the mandatory professional involvement for wiring. One user, new to pool heater buying, candidly shared that they spent more on the heater than the pool itself but confirmed its effectiveness in their unique setup (heating an Intex pool in a garage). They stressed the non-negotiable requirement for an electrician and the complexity of the 2x 50-amp wiring, stating, “you cannot just plug this thing in.” Another user praised the ease of the plumbing installation, adding two 50-amp breakers to their sub-panel and noting that the unit “turns on automatically when it sees flow from the pool filter pump,” validating the reliability of the flow activation feature.
However, the negative feedback is serious and mainly concerns quality control and installation challenges. One very upsetting account detailed a unit that “never worked upon installation,” leading to the expense of having an electrician confirm it was defective upon arrival. This underlines the risk of receiving a DOA unit, which can happen with complex electrical products, requiring careful verification upon delivery and a reliable return policy. Furthermore, the lack of clarity in the instruction manual regarding the specific two-circuit wiring requirement remains a recurring pain point for DIY enthusiasts. Overall, if a purchaser is prepared for the necessary electrical investment and planning, the payoff is reliable, digitally controlled warmth.
Comparing the Ecosmart US Smart Pool 18 Heater to Alternative Heating Solutions
While the Ecosmart US Smart Pool 18 Heater offers powerful, instantaneous electric heat, it is often a significant investment in terms of both unit cost and installation. For pool owners whose needs are less demanding or whose budget/electrical infrastructure does not support 18kW resistance heating, lower-power and solar alternatives exist, predominantly represented by the Intex product line for above-ground setups.
1. Intex Solar Heating Mat Pool Accessory
The Intex Solar Heating Mat is perhaps the most environmentally and budget-conscious alternative to the Ecosmart US Smart Pool 18 Heater. While the Ecosmart unit demands two dedicated 240V circuits, the solar mat requires zero electricity and uses the pool pump to circulate water through a black mat designed to absorb solar radiation. This is an excellent choice for pool owners with very small pools who live in extremely sunny, warm climates and only need a small temperature boost (3 to 5 degrees). However, the performance gap is vast. The 18kW Ecosmart can provide precise, reliable heat regardless of cloud cover or ambient air temperature, whereas the solar mat’s effectiveness drops to near zero on cloudy days or overnight. If extending the season by months is the goal, the Ecosmart is necessary; if a marginal summer boost is sufficient, the Intex mat offers simplicity.
2. Intex Solar Heating Mat
Sale"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
Similar to the first alternative, the Intex Solar Heating Mat (Model 28685) is specifically designed for above-ground pools up to 30,280 liters (approx. 8,000 gallons), making it a direct competitor for the smaller pool market targeted by the Ecosmart US Smart Pool 18 Heater. The key differentiator is power delivery. The Intex mat provides incremental, natural heating, relying on the pool’s existing filter system and ambient warmth. The Ecosmart unit, in contrast, offers forced, high-speed heating necessary for true temperature control and shoulder-season extension. A purchaser would prefer the Intex mat only if their priority is maximizing cost savings and simplifying installation, provided they are willing to accept variable performance dictated by the weather. For the serious pool owner demanding a guaranteed 85 degrees in September, the 18kW capacity of the Ecosmart US Smart Pool 18 Heater is the only viable option among these alternatives.
3. Intex Pool Heater
The standard Intex Pool Heater typically represents the lowest end of electric resistance heating available for above-ground pools. While it offers electric heat like the Ecosmart US Smart Pool 18 Heater, its wattage is generally much lower (often in the 3kW to 5kW range) and it usually operates on a standard 120V plug. This greatly simplifies the installation, eliminating the need for an electrician and dedicated circuits. However, this convenience comes at the extreme cost of performance. A 3kW heater is suitable only for heating a very small hot tub or maintaining the temperature in a tiny pool; it cannot provide the necessary temperature rise for even a moderately sized above-ground pool, which the 18kW Ecosmart unit is designed to handle effectively. The Ecosmart US Smart Pool 18 Heater targets the customer who wants high performance and reliability – a category the low-power Intex heater simply cannot compete in due to its limited electrical throughput.
Final Verdict: Is the Ecosmart US Smart Pool 18 Heater Worth the Electrical Investment?
Our in-depth testing confirms that the Ecosmart US Smart Pool 18 Heater is a genuinely powerful and highly effective solution for extending the pool season. Its value proposition is simple: it delivers 18,000 watts of instantaneous, digitally controlled heat in a footprint small enough to install almost anywhere. For owners of mid-sized residential pools (under 20,000 gallons) or those seeking a high-output booster system to stabilize existing heat pumps, the performance is exemplary. The precise 1-degree digital control and robust flow-activated operation truly set it apart, ensuring efficient and safe use.
The critical caveat, however, remains the substantial upfront cost and complexity of the required electrical service. This unit is not for the faint of heart or the inexperienced DIYer. If you are prepared to invest in professional electrical wiring – the dual 240V circuits and dedicated 50-amp breakers – the Ecosmart US Smart Pool 18 Heater delivers reliable warmth that will dramatically increase the utility and enjoyment of your pool for years to come. For those who prioritize powerful heating performance in a compact form factor, and are ready for the electrical infrastructure overhaul, this unit is highly recommended and offers excellent long-term value. To unlock true year-round swimming comfort, we strongly suggest you take the final step and check the current availability and pricing for the Ecosmart US Smart Pool 18 Heater now.
Last update on 2025-11-13 / Affiliate links / Images from Amazon Product Advertising API