3 Best Solar Heaters For Intex Pools 2025 in the United States

The Industrial Grade Solar Pool Heater DIY Kit by SwimJoy is designed to be a durable and efficient solution for heating Intex pools. A key strength of this product is its advanced technology, including a unique square header that maximizes water flow and efficiency. It also features an open flow design that reduces backpressure and the risk of clogging, ensuring the system runs smoothly.

Durability is a standout feature, thanks to a patented over-molding process that strengthens the panels and a robust mounting system that can withstand high winds, making it a reliable choice for various weather conditions. Additionally, the mounting system is strapless and flush, which allows for a sleek installation with minimal roof connections, reducing potential leak points and making it aesthetically pleasing. The maintenance-free panel connections are a bonus, simplifying the setup and ensuring long-term ease of use.

The large collector area of 250 square feet may be more than what is needed for smaller pools, making it potentially more suitable for larger Intex pools. In terms of efficiency, the product is well-regarded, but users should note that installation might require a bit of DIY skill. This solar heater kit is highly efficient, durable, and easy to maintain, making it a great option for users with larger pools and those who live in areas with high winds.

The FAFCO Original 4 x 20 Feet Solar Bear is a solar pool heater designed for above-ground pools, including Intex models, making it a practical option for those looking to extend their swimming season without increasing energy bills. Its connected tube design and included starter kit suggest an easier installation process compared to more complex systems, which is great for pool owners who want a straightforward setup.

The heating capacity, implied by its 4x20 feet collector area, is decent for small to medium-sized pools but may not be sufficient for larger pools or rapid heating needs. Made with durable materials typical of FAFCO products, it should withstand outdoor conditions reasonably well.

This solar heater is well-suited for Intex or similar above-ground pool owners who want an eco-friendly, budget-friendly way to warm their pool water, though it might not be ideal for those needing quick or high-capacity heating.

The SpaChoice Premium Liquid Pool Heater acts as a "solar cover in a bottle," designed to reduce heat loss and evaporation from your Intex pool. Unlike traditional solar heaters with collector panels, this product works by forming a thin, invisible layer on the water surface, helping to keep the pool warmer and conserve water and chemicals. It's very easy to use—just add 4 ounces per 15,000 gallons every two weeks, with no physical installation required, making it a convenient option for those who want a low-maintenance solution.

While it doesn’t actively heat the water like solar panels do, it slows down heat loss effectively, which can extend your swimming season, especially in mild climates. On the downside, since it lacks a collector area and doesn’t raise water temperature itself, its heating capacity is quite limited compared to traditional solar heaters. Its efficiency depends on reducing evaporation rather than generating heat, so it works best alongside other heating methods or in pools already warmed by sunlight.

The product is made in the USA and comes in a liquid form, so durability isn’t an issue like physical covers that can tear or degrade. This liquid solar blanket is ideal if you want a simple, no-fuss way to reduce heat loss and conserve pool water without installing equipment, but if you’re looking for strong heating power, a dedicated solar collector system might be a better choice.