Chilly days or cold water temperatures can make swimming uncomfortable and shorten your pool season. The use of traditional heaters will increase your power bill. Here comes the perfect alternative – Solar Pool Heaters.
A solar pool heater can extend your swimming season, even in the cooler months. It is an eco-friendly, sustainable, and cost-effective option that utilizes natural solar energy to provide a gentle, natural warmth to the pool water. Thus, these systems maintain a comfortable water temperature, allowing you to enjoy your pool for longer periods. While the initial investment may be higher, their long-term benefits, including lower operating costs and minimal maintenance, make them a worthwhile choice.
Consider these three key factors to simplify the selection procedure and invest in a solar pool heater as per the pool requirements:
- Pool Shape And Size – You came to know the required solar panel capacity with the shape and size of the pool, along with the pool’s orientation. Large pools require more panels for effective heating. General guidelines include – ensure to use a heater with 2 – 4 solar panels for pools under 15000 gallons, for pools with 15000 to 25000 gallons requiring a heater with 4 – 6 solar panels, whereas, for large pools over 25000 gallons requires a heater with 6 or more solar panels. So, choose them wisely as per your pool size and shape.
- Desired Water Temperature – The efficiency of the solar panel heater will decide how quickly the heater warm the pool water. Also, consider your local climate and ideal water temperature before selection. Always choose a larger system for warm pool temperature every time, while for occasional heating or milder climates need a smaller system. Select a heater with 75-80°F (24-27°C) operating temperature for comfortable swimming, or opt for a heater with 85-90°F (29-32°C) for warmer and more relaxing swimming. Finally, a larger and more powerful solar panel system is required with 95-100°F (35-38°C) for a hot tub-like temperature.
- Climate And Solar Exposure – The local climate and sun exposure on the pools will mainly decide the pool’s performance. While a simple solar panel system is enough to maintain a warm pool in sunny, mild climates, a complex heater system with extra panels or backup heating is a must to use in cloudier or colder areas. Experts say that south-facing pools will receive more sunlight and heat up the pool water efficiently than north-facing pools.
We suggest you check our detailed “Buying Guide” and top-picked Solar Pool Heater reviews to get a clear idea of how to choose the best option that keeps your pool warm all year in an eco-friendly and budget-conscious way.
Best Solar Pool Heaters Table
Solar Pool Heaters | Pool Size | Type of Pool (Inground/ Above ground) | Buy Now |
---|---|---|---|
Intex 28685E Solar Pool Water Heater | 11 sq. ft | above-ground | Check On Amazon |
Solar Sun Rings Pool Heater | 50 sq. ft | above ground and inground | Check On Amazon |
Blue Wave NS480 12-mil Solar Blanket | 30 sq. ft | above-ground pools | Check On Amazon |
Game 4721-BB SolarPRO Curve Solar Pool Heater | 26 sq. ft | above ground and inground | Check On Amazon |
SunHeater S120U Universal Solar Pool Heater | 20 sq. ft | above ground and inground | Check On Amazon |
Evoio Solar Pool Covers Blankets | 6 sq. ft | above ground and inground | Check On Amazon |
SmartPool S601 Inground Pool Solar Heating System | 80 sq. ft | inground | Check On Amazon |
Best Solar Pool Heaters Reviews
Here are detailed reviews of our carefully curated list of solar pool heaters that assist you in selecting the proper solar heater that suits your pool requirements.
1. Intex 28685E Solar Pool Water Heater
Intex 28685E solar heater mat is an affordable, eco-friendly solution for pool owners who want to keep their water warm. Designed for above-ground pools, this solar-powered heater can raise pool temperatures by 5 to 9 degrees Fahrenheit, depending on weather conditions. It connects easily to your current pump setup using standard hose connections and works with systems up to 2000 GPH.
Its construction features durable, UV-stabilized PVC material that promises longevity and resistance to sun damage. The mat’s design maximizes sun exposure, folding easily for off-season storage, which is a boon for pool owners with limited space. However, the mat’s size limits its heating capacity, and larger pool owners might need several mats to achieve desired warmth, which could affect overall cost-efficiency and setup simplicity.
Despite its limitations, the Intex 28685E is an excellent starter solar heater for smaller pool setups. It provides a sustainable way to increase water temperature, contributing to a more enjoyable swimming experience. As we explore further options, it’s important to consider how this model compares in efficiency and scalability with other solar heaters, especially for those with larger pools or seeking more robust heating solutions.
Specifications:
- Temperature Increase: 5-9°F
- Suitable for pools up to 8000 gallons
- Dimensions: 47.25 x 47.25 inches
- Weight: 5.3 pounds
- Material: UV-stabilized PVC
- Maximum Flow Rate: 2000 GPH
- Hose Connection: 1.25-inch diameter
- Includes bypass valve
- Foldable for easy storage
- Simple setup with hose attachment
Pros:
- Cost-effective heating solution
- Easy to install and use
- Compact and lightweight
- Durable UV-resistant material
- Folds for compact storage
Cons:
- Limited heating for larger pools
- Multiple mats needed for bigger pools
- Moderate efficiency on cloudy days
- Some compatibility issues with pumps
- Requires careful handling to avoid damage
2. Solar Sun Rings Pool Heater
Solar Sun Rings are designed to tap into the sun’s energy, offering an eco-friendly method to increase your pool’s temperature. Each ring, created from UV-resistant vinyl, is 60 inches in diameter and floats perfectly on the water, maximizing sunlight absorption and heating efficiency. The inclusion of built-in magnets makes it straightforward to link the rings, thus forming an efficient and aesthetically pleasing heating system.
These rings are particularly advantageous for their dual functionality; they not only heat during the day but also minimize heat loss and water evaporation at night. This makes them an energy-efficient option that can work with both in-ground and above-ground pools, offering versatility across different pool types without permanent installation commitments. Setting up the Solar Sun Rings is straightforward: they are simply placed on the water surface, where they float and heat the pool passively without requiring any additional energy sources.
Despite their ease of use and effective heating capabilities, the Solar Sun Rings’ performance is highly dependent on direct sunlight. This can be a limitation in cloudy or heavily shaded areas, where their heating efficiency may decrease. Additionally, their segmented design, while unique, may require regular adjustment to ensure optimal sun exposure and heat distribution, which could be a minor hassle for some users.
Specifications:
- Material: Sun-protected vinyl
- Size Per Ring: 60 inches diameter
- Installation Type: Portable
- Compatible with pool cleaners
- Resistant to salt or chlorine
- Retains heat and reduces evaporation
- Easy to clean and maintain
- Suitable for all pool types
- Stability with water anchors
Pros:
- Effortless to deploy and store
- Superior heat retention abilities
- Cuts down on chemical and water loss
- Operates without additional energy costs
- Adaptable to various pool designs and systems
Cons:
- Diminished efficiency under cloudy conditions
- Requires several units for larger pools
- May hinder some automatic pool cleaners
- Dependent on continuous sunlight for best results
3. Blue Wave NS480 12-mil Solar Blanket
Blue Wave’s NS480 12-mil solar blanket offers an effective heating solution for above-ground pools, employing thermal cell technology to maximize heat retention. This innovative blanket can increase pool temperatures up to 15 degrees Fahrenheit, ensuring a warmer swimming environment. Its clear material design aids in allowing more sunlight to reach the water, enhancing the overall heating efficiency.
Designed for perfect conformity over your pool, this solar heater enhances maintenance ease and environmental sustainability by minimizing chemical and water evaporation. It features UV protection to prevent degradation from daily sun exposure, ensuring a lasting service life. Quick to deploy and secure once in place, it offers practical and enduring solutions for heating your pool.
While the Blue Wave stands out for its ability to effectively heat and retain water warmth, its considerable size and weight may pose handling challenges, particularly when it needs to be removed from the pool. Moreover, although it performs well under sunny skies, its efficiency can decrease on overcast days. Additionally, unfolding and positioning the blanket initially can be a bit cumbersome for pool owners.
Specifications:
- Maximum Temperature Increase: 15°F
- Suitable for 15-feet round pools
- Material: UV-protected polymer
- Clear design for deeper heating
- Reduces evaporation by up to 95%
- Dimensions: 180 x 180 inches
- Weight: 0.01 ounces
- Easy to clean with a hose
- Includes a 5-year warranty
- Installation Type: Lock-in
Pros:
- Significant temperature increase
- Reduces chemical and water loss
- Durable UV-resistant material
- Easy maintenance requirements
- Long warranty period
Cons:
- Less effective in cloudy weather
- Requires space for storage
- May require multiple people to handle
- Initial setup can be challenging
4. Game 4721-BB SolarPRO Curve Solar Pool Heater
GAME’s SolarPro Curve is crafted to perfectly complement your swimming setup, whether it be above-ground or in-ground. The heater’s unique curved design is not just aesthetically pleasing but also functional, optimizing solar energy capture to effectively heat your pool. Capable of increasing water temperature by about 5 degrees Fahrenheit within four days for pools holding up to 8,000 gallons, it offers a sustainable way to enjoy a longer swimming season without the high energy bills.
Constructed from durable materials that are resistant to frequent exposure to the sun and other outdoor elements, the SolarPRO Curve is built to last. It features adjustable and foldable legs, allowing for optimal positioning towards the sun, and includes a clear cover that helps lock in the heat. The installation process is straightforward, and the design integrates easily with different types of pool setups, including those with existing pumps and filtration systems.
While the SolarPRO Curve offers a gradual temperature increase, which may not be sufficient for those looking for rapid heating solutions, it serves well for mild climates and seasons where only a slight temperature adjustment is needed. Some users might find the need for multiple units to achieve more significant heating effects a drawback, especially in larger pools.
Specifications:
- Heating Increase: 5°F in 4 days
- Compatible with both above and in-ground pools
- Unique curved shape for maximum heat absorption
- Dimensions: 27.56 x 5.91 x 44.88 inches
- Durable construction withstands sun exposure
- Adjustable and foldable legs for optimal positioning
- Includes a clear heat-locking cover
- No bypass kit needed for pumps up to 1.5 HP
- Easy to connect to existing pool setups
- Additional units can be joined for greater effect
Pros:
- Efficient solar energy collection
- Enhances pool usability in cooler months
- Minimal operating costs
- Simple to set up and adjust
- Robust and weather-resistant design
Cons:
- Slow heating process
- Requires multiple units for large pools
- Limited effectiveness in cloudy weather
- Space required for optimal setup
- May require more frequent maintenance checks
5. SunHeater S120U Universal Solar Pool Heater
SunHeater’s S120U universal solar pool heater ensures that your pool is comfortably warm, extending your swimming season with eco-friendly energy. This innovative design is suitable for both in-ground and above-ground pools, featuring a patented web design that optimizes solar heat absorption. The flexibility to install it on a roof, rack, ground, or fence makes it adaptable to various settings, increasing water temperatures by 6 to 10 degrees Fahrenheit effortlessly.
This heater uses your existing pool pump to circulate the water through its system, making it integrate seamlessly without the need for additional powerful pumps or complex installations. The simple DIY installation appeals to those who prefer to manage pool maintenance themselves without professional help. The system’s design promotes efficiency and can significantly extend the swimming season, allowing more enjoyable pool time during cooler months.
However, the effectiveness of the SunHeater can vary based on the intensity and duration of sunlight in your area, which might require strategic placement to optimize solar gain. While it is capable of substantial heating, those with larger pools may need multiple panels to achieve uniform temperature increases across all areas, potentially elevating the initial cost and complexity of setup.
Specifications:
- Temperature Increase: 6-10°F
- Compatibility: In-ground and above-ground pools
- Installation Flexibility: Roof, rack, ground, fence
- Utilizes existing pool pump
- Dimensions: 240 x 27 inches
- Material: Durable polypropylene
- DIY-friendly installation
- Suitable for various pool sizes
- Can be linked with additional kits
Pros:
- Significant temperature boost
- Eco-friendly heating solution
- Versatile installation options
- No additional equipment needed
- Cost-effective in operation
Cons:
- Multiple units needed for large pools
- Dependent on adequate sunlight
- Initial setup can be complex
- Seasonal disassembly required
- Potential for decreased efficiency in cloudy conditions
6. Evoio Solar Pool Covers Blankets
Evoio solar pool covers excel in both warming and safeguarding your pool, capable of raising water temperatures by up to 12 degrees Fahrenheit. These covers are meticulously engineered to maximize solar heat absorption and shield your pool from debris. Crafted from heavy-duty 15 MIL thick Polyvinyl Chloride (PVC), they surpass standard covers in durability and heat retention. The versatile design ensures a snug fit for various pool shapes, including round, square, and rectangle, catering to diverse pool configurations.
These solar covers not only warm the water but also significantly reduce evaporation, keeping your pool’s water level stable and saving on water and chemical costs. The air bubbles in the cover act as insulators, retaining heat at night and during cooler days, which helps maintain a consistent temperature. The covers are easy to deploy and retract, making them convenient for daily use.
Effective in both heating and conserving water, the heavy-duty covers from Evoio, however, may present handling challenges, especially in larger pools. These covers necessitate multiple people for management, which can be a hindrance. They also perform best under direct sunlight, which means their efficiency could be compromised during overcast conditions or in pools that are not fully exposed to the sun.
Specifications:
- Temperature Increase: up to 12°F
- Material: 15 MIL thick PVC
- Suitable For Pool Sizes: 6 to 24 feet diameter
- Installation Type: Floating
- Reduces water evaporation by 95%
- Compatible with in-ground and above-ground pools
- Can be cut to fit custom shapes
- UV-resistant and waterproof
- Easy to clean and maintain
- Available in various sizes
Pros:
- Efficient at heating and insulating
- Reduces chemical and water usage
- Durable and thick material
- Versatile size and shape options
- Easy to clean and store
Cons:
- Can be heavy and hard to manage
- Requires direct sunlight for best results
- May need multiple people to handle
- Not as effective in cloudy weather
- Storage space required when not in use
7. SmartPool S601 Inground Pool Solar Heating System
Smart Pool S601 is a high-performance solar heating system designed with a large 4 feet by 20 feet panel array that maximizes solar energy absorption. The system’s polypropylene heat collectors are engineered to elevate your pool’s temperature by 6 to 10 degrees Fahrenheit effectively. Robust and reliable, this system offers a sustainable solution to enhance your swimming enjoyment.
The installation of the Smart Pool can be a more involved process, requiring mounting on a roof or a similarly unobstructed area to ensure optimal sun exposure. Despite the complexity of setup, the results are impressive, providing a cost-effective way to extend the pool season without the high energy costs associated with electric or gas heaters. The direct flow system, with one header hole for each heating tube, ensures even distribution of heated water throughout the pool.
However, the extensive setup and need for roof installation may not be suitable for all homeowners, especially those looking for a less permanent solution or those with limited space. The system’s reliance on good weather conditions also means that its performance can fluctuate with the amount of sunlight available.
Specifications:
- Temperature Increase: 6-10°F
- Suitable for in-ground pools
- Panel Dimensions: 4 x 20 feet
- Made from durable polypropylene
- Installation Type: Roof-mounted
- Heat Collector Area: 80 square feet
- Direct flow system for even heat distribution
- Compatible with existing pool pumps
- Requires unobstructed sunlight exposure
- Designed for permanent installation
Pros:
- Significant and consistent heating capability
- Utilizes eco-friendly solar energy
- Large surface area for maximum heat absorption
- Can extend the swimming season
- Integrates with existing pool infrastructure
Cons:
- Complex and time-consuming installation
- Dependent on consistent sunny weather
- Requires significant roof space
- Not easily removable or adjustable
Factors To Consider When Choosing A Solar Pool Heater
The selection of the solar pool heater requires careful consideration of several factors, including pool size, climate, and budget. So, we are here with a guide that explains how these factors play a key role in determining the efficiency and effectiveness of the system. Check out the guide to choose the best option that meets your needs while offering optimal performance.
1. Types Of Solar Pool Heaters
Several types of solar pool heaters are available in the market, yet there are three main types -> mat-based heaters, panel-based heaters, and hybrid heaters. Each type is used for different applications and you need to choose the best option as required.
Mat-Based Solar Pool Heaters –
The simplest heater type consists of plastic or runner mats. They absorb heat from the sun and allow water to pass through small tubes. In this way, it increases the temperature, from 2 – 5°F per day based on the available sunlight and pool size. These are more affordable and the perfect options for smaller pools. Its main drawback is that it offers lower heating efficiency than its countertops.
Panel-Based Solar Pool Heaters –
They feature large solar collectors made of metal or plastic. Its panels capture solar energy more efficiently, making it ideal for larger pools or those in cooler climates. It raises the pool temperature, ranging from 5 – 10°F based on the number of installed panels and sun exposure. While they are initially expensive, they offer a high return in terms of longer lifespan, and heating efficiency.
Hybrid Solar Pool Heaters –
This system combines solar heating with auxiliary heaters, like electric or gas heat pumps. They are designed for users requiring constant temperatures, as they work effectively, irrespective of weather or climatic conditions such as low constant sunlight or cooler seasons. This type is much more expensive due to its flexibility of using solar energy with a backup source whenever needed.
2. Pool Size And Shape
The pool’s shape and size will determine the required solar collector area. For optimal heating, the solar panel surface has 50 – 100% of the pool’s surface area. For instance, a pool with 400 square feet requires a solar panel of 200 – 400 square feet. Usually, rectangular pools can be accommodated more easily than irregularly shaped pools, which need custom panel layouts or multiple units for effective pool water heating.
3. Climate And Sunlight Exposure
The amount of sunlight the heater’s panel receives will decide the working effectiveness of the solar pool heater. For instance, solar heaters operate much more efficiently and increase the pool temperatures by 5-10°F daily in regions having ample sun exposure. Alternatively, shorter swimming seasons or areas with less sunlight, require to installation of a larger system or consider a hybrid option to ensure constant heating. For colder climates, extra insulation around the pool and solar heater is required to enhance its overall performance and maintain the heat longer in less favorable conditions.
4. Installation
Usually, the type of heater you choose will decide the complexity of the installation. Here are a few things to check while considering the installation.
- Mat-based systems are simple and easy to install as a DIY project
- Panel-based or hybrid systems might require professional installation.
- Proper placement is required for panel-based systems to receive optimal sun exposure, either on a roof or a ground-based rack.
- Factors like available space, pool proximity, and existing plumbing infrastructure will impact the complexity of the heater installation.
- However, the labor cost involved for professional installation will range from $500 – $200 based on the system and pool setup.
5. Maintenance
Compared to traditional heating systems, solar pool heaters are low-maintenance appliances. All it needs is that they do need periodic upkeep for efficient performance. However, the annual maintenance costs will range from $100 to $300 based on the system you are using.
Here are the maintenance tips….
- Clean the solar panels or mats regularly to remove debris.
- Check for any blockages or leaks in the system for smooth running of the heater.
- If using the pool heater in areas with harsh winters, then ensure to winterize the system by draining the leftover water to avoid any damage from freezing.
6. Budget
The cost of solar pool heaters will vary greatly, which typically ranges from $300 (for small mat-based systems) to over $7000 (for high-end hybrid setups). However, it is essential to balance upfront costs with long-term savings. The initial cost may seem that solar heaters are an expensive option than gas or electric alternatives, but they can save a lot of money in their long-term operation (low-operating cost). Also, check for any incentives or rebates available for installing this system, which can offset the initial investment.
FAQs:
The time a pool heater takes to warm a pool depends on several factors, including pool size, available sunlight, and the heater’s efficiency. In general, the heater will take around 1 – 3 days to raise the water temperature by 5 – 10° F, which is done in case the solar heater panel receives constant sunlight.
No. Compared to traditional heaters with thermostats, the solar pool heater isn’t effective in adjusting the pool water temperature. All you need is to control the water flow using solar collectors manually or automatically and use a pool cover to retain heat. However, the effectiveness of a solar heater depends on sunlight intensity, weather conditions, and the solar collector system’s size.
No, it is not powerful enough to significantly overheat the pool water by raising high water temperatures. Some models feature a bypass or control valve to regulate water flow and thereby prevent overheating. So, the pool will remain at a comfortable temperature.
Yes, you can install these solar panels on the ground by using specialized racks. The panel ground installation is ideal whenever the roof isn’t getting adequate sunlight or doesn’t support the panel’s weight.
Maybe. It is a common thing that wind causes heat loss from the pool water, and thus reduces the overall heater’s efficiency. To get rid of this, use a solar cover and position the panel in a sheltered area to minimize the wind effects.
Conclusion
Selecting the best solar pool heater depends on your pool size, budget, and climate. Products range from solar blankets to advanced heating systems, each offering distinct advantages. For overall performance and value, the SunHeater S120U Universal Solar Pool Heater excels with its high heating efficiency. For a more budget-friendly option, the Intex 28685E Solar Pool Water Heater is a dependable choice. If ease of use and heat retention are priorities, the Blue Wave NS480 12-mil Solar Blanket provides excellent coverage. These product insights can help guide the best decision for your pool.