6 Best Solar Heater for Inground Pool to [Use In 2020]

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Best solar heater for inground pool ReviewsWhen fall arrives, many pool owners start investing in expensive pool heating systems that bring other added pool maintenance costs. However, you don’t necessarily need to spend on these expensive units, and you can use a solar heater to extend your swimming season at no running cost.

The best solar heater for the inground pool uses the free sunlight energy to raise to warm your swimming pool, no extra energy bills. On top of that, compared to the electrical and gas-powered heating systems, the solar heaters are quite cheap.

Today, the market is overflowing with different solar heaters for inground pools. That makes it quite challenging to buy the best solar heater for your inground pool. Fortunately, my article is here to smoothen and facilitate your search process. I’ve gathered the top best models for you and prepared a buying guide to help you buy the ideal unit for your needs.

Top 6 Best Solar Heater for Inground Pool in 2020

Here are several options which I can recommend as the best solar pool heaters for an inground pool for the mildest to hot climates.

1. XtremepowerUS Pool Solar Panel Heating System

XtremepowerUS Inground Above Ground Pool Solar Panel Heating SystemMy first model is the highly-durable and robust XtremepowerUS swimming pool solar panel heating system. It comes as an inground and above-ground model that comes with kits made of 2-feet by 20-feet panels.

As a high-grade solar heater, it’s made from high-grade materials proven to withstand all weather types and give it provides ideal durability. Once you install the unit, you get to enjoy cost-effective and low maintenance pool heating.

On top of that this unit, produce zero greenhouse gases making it an environmentally friendly solar heater. I also love the fact that each solar panel made from high-quality, flexible, lightweight, and durable polypropylene.


  • Cost-effective and environmentally friendly
  • High-quality Polypropylene material
  • Low to none maintenance required
  • Flexible and lightweight
  • Huge solar panels


  • Diverter kit required for over 1.5HP pumps

2. Smartpool SunHeater S601P Solar Heating System

Smartpool S601P SunHeater Solar Heating – System for In Ground PoolMy next model in the list is the Smartpool SunHeater, which is a durable, flexible, and top-performing solar heating system. It’s designed specifically for all types of inground pools and available in 1-pack, 2-pack, 3-pack, and 4-pack for fitting different pool sizes.

It’s made in the USA and from heavy-duty polypropylene. The construction gives it the ability to withstand the outdoor elements as well as prolonged UV exposure.

It works great at capturing the free solar heat from the sun and transferring it to heat your pool water. As a heavy-duty solar heater, it comes with a wide 80sq feet solar unit, which can easily be mounted on your rooftop or the ground.


  • Polypropylene heat collector
  • High-quality and durable
  • Direct Flow System
  • One Header Hole


  • Installation Kit Sold Separately

3. SunQuest Solar Pool Heater w/ Rack/Roof Mounting Kit and Couplers

SunQuest 6 2X12 Solar Swimming Pool Heater – Complete System with Roof KitsAnother model you can buy and trust to keep your swimming pool warm is the SunQuest Solar Pool Heater. It’s also a high-quality solar heater that comes in a pack of two panels of size 40-square feet each.

The unit is equipped with the required couplers and even roof/rack mounting kit for a straightforward installation. Another thing I love about this unit is the simple installation and ease of use. The set-up is DIY, and using the solar heater doesn’t require any skills.

On top of that, it does feature MAX-FLOW design with 2-inches OD headers. The two offer better water circulation with less back pressure on your pump. And you know what, the SunQuest 2×20 is compatible with your existing pool pumps.


  • Superior solar capturing technology
  • Highest rated performance
  • No Maintenance required
  • Simple DIY installation
  • Reliable durability
  • Premium quality


  • Takes time to have it installed

4. SunQuest Solar Pool Heater System w/Roof Kits

SunQuest Solar Pool Heater with CouplersHere is another high-performing SunQuest model, a bit smaller but significant in quantity. The 2×12 SunQuest pool heater comes complete with the required roof installation kits. That allows you to have a straightforward rooftop installation.

The innovation and material utilized here make this model one of the best performing when it comes to solar pool heating. From the heavy-duty, UV-resistant construction to the durable solar panels, the system captures the free solar energy and uses it to warm the pool.

That makes it environmentally friendly and also saves you money; no more pool heating energy bills. Apart from durable, the solar panels are also lightweight and quite flexible.


  • Compatible with the existing pool pump
  • An easy do-it-yourself installation
  • Improves the water circulation
  • An MAX-FLOW design
  • 2-inch OD headers


  • It’s not ideal for substantial swimming pools

5. XtremepowerUS Pool Solar Panel Heating System

XtremepowerUS Solar Panel Heating System – IngroundAbove Ground Swimming PoolThe next best solar heater for inground pool is the high-quality XtremepowerUS pool solar panel heating system. It’s a high-performance unit designed to work on both in-ground and above-ground pools.

The panels used here are made from high-grade materials that are proven to last in all-weather types. In addition to that, the construction makes this model durable even after prolonged exposure to UV-rays.

Another thing to love about this model is, the installation is quite easy and straightforward. And the best of all, it can be installed on the roof of your home, cabana, shed or even be mounted on a rack. You can also place it on the ground, but you will have to store it after use for safety. Its lightweight design makes it quite portable and easy to store.


  • Extremely high-grade construction
  • Convenient and cost-effective
  • Works with most pool pumps
  • Quick-connect design
  • Easy assembly


  • Rooftop installation can be tricky

6. SKEMIDEX Solar Energy Sun Heater Panel

Solar Energy Swimming Pool Heater Panel For Inground Above Ground PoolsLastly, we have the SKEMIDEX Solar Energy Pool Heater ideal for both in-ground and above-ground pools. It’s a cost-effective unit, ideal for keeping your pool water warm during the cold weather. With this unit, you get to eliminate the monthly heating utility bills.

It’s a great unit that comes with several features. One thing that makes me love this model is, it’s able to successfully raise the pool water temperature for about 10-15 degrees, allowing you to enjoy some warm swim

. On top of that, it’s quite convenient as it’s compatible with the existing swimming pool pumps. Installation and the setup are quite straightforward; a single person can do the trick.


  • Ideal for both in-and-above ground pools
  • Unique design and Comfortable use
  • O rings and Hose adapters included
  • Roof-type solar heater
  • Excellent quality


  • Might not work great on large swimming pools

Best Solar Heater for Inground Pool (Buying Guide)

Yes, I have given you the top best solar heaters ideal for an inground pool. But the question remains, what is the best model for your swimming pool? To answer the question, you will need to consider the following aspects as you make your selection.

(1) Pool Size and Location

The functionality and effectiveness of the solar heater for your inground pool will be determined by the location and size of your swimming pool. The area affects the temperature difference by how cold it gets. Typically, a small swimming pool solar heater is ideal for small and medium-sized swimming pools. However, if the swimming pool is located in a cold area, then the unit won’t be perfect; you will need a bigger swimming pool solar heater. Fortunately, there some models that allow you to join two or more panels together for better heating.

(2) Pool Function

Use your pool function to decide on the size of the solar heater ideal for your swimming pool. Your pool can be either recreation or a sport and exercising swimming. The two functions differ when it comes to usage and heating requirements. For a recreational swimming pool, its usage is occasional, meaning a slow heating solar heater would be ideal. But with a sport or exercising swimming pool, you will need to maintain the warm temperature for a more extended period. That calls for a reliable solar heater and big enough to sustain continuous heating.

(3) Build Quality and Durability

A solar heater might be less expensive and cost-effective, but that doesn’t mean it needs to be cheaply made. For a solar heater to be efficient and useful, it needs to be made from high-quality materials. Additionally, since the unit will be working outdoors with prolonged exposure to sunlight, the elements need to be UV-protected and long-lasting. The solar panels should also be made from materials with better sun energy capturing abilities like premium polypropylene and polyolefin.

(4) Temperature rise

You need to determine the water temperature you desire, depending on the location of your swimming pool. If you live in a cold area, then you need a solar heater with a high-temperature raise. To be sure, you need to measure the lowest pool temperature and then subtract your desired temperature. The result will be the temperature rise you need for your pool. Most of the solar heaters for inground pools provide a temperature rise of between 5-15 degrees.

(5) Installation Difficulty

Lastly, do not forget to check on the installation difficulty. Different models require different installation procedures. Mostly many of the solar heaters for inground pools are simple to install. While some luck the installation accessories, other models require professional installation. You need to read the customer reviews to know more about this before you buy it.

Frequently Asked Questions (FAQs)

How warm should I expect my solar heated pool to get?

Solar pool heating adds as much warmth as that of the outdoor air temperature. The theory used here is, if the outdoor temperature is 40 degrees Celsius, a solar panel can get your pool water up to 40 degrees Celsius, no more.

Will my solar heater work in winter?

Mostly, during the winter the sun is covered by clouds and also the air temperature is a bit low. That means it can be tricky to warm the water during the winter. But it all depends on the area and the sun’s hotness.


In general, each best solar heater form inground pool I’ve listed above is top-performing and require minimal to no maintenance. With the information I’ve provided, you should be able to buy the ideal model that offers you the best pool heating. Your hassle should end here. Get a solar heater that you feel will provide the best service and extend your swimming season a bit longer.

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About the author

Sharif Miah

I am Sharif, 22, a student, currently doing the BBA program as well as an online Blogger. I am an adorable fan of swimming and also love any water sports -surfing, scuba diving, kite surfing & paddle boarding. I love to share my experiences with people. I hope you are enjoying my information and lessons!

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