If you’re looking for a way to extend your swimming season and enjoy your inground pool even when it's chilly outside, a gas pool heater may be just what you need. Gas pool heaters can quickly and efficiently heat up your pool water, so you can enjoy comfortable swimming temperatures even on cooler days. However, with so many options available on the market, it can be overwhelming to choose the best gas pool heater for your inground pool.
Before making a purchase, there are several factors to consider to ensure you're getting the most efficient and effective gas pool heater for your needs. You'll want to consider the size of your pool, the type of fuel your heater requires, the heater's efficiency rating, and any additional features you desire, such as low emissions or quiet operation.
But, with so many options on the market, it can be hard to determine which gas pool heater is right for you. Are you looking for something that is easy to install? Do you want a heater that's eco-friendly or energy-efficient? Would you prefer a heater that's easy to use or offers advanced features like digital controls? These are just a few of the questions you should be asking yourself as you research and compare the best gas pool heaters for inground pools. Keep reading to find out more about these factors and how to choose the best gas pool heater for your inground pool.
10 Best Gas Pool Heaters For Inground Pools
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Ideal for heating pools with natural gas in high elevation areas.
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The product is ideal for heating pools using natural gas with low emissions.
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3
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It is an ideal natural gas heater with 150,000 BTU capacity for various applications including outdoor swimming pool and spa.
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4
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The product is ideal for heating swimming pools using solar energy in a cost-effective and eco-friendly manner.
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5
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The product is ideal for heating pools using natural gas and a millivolt control system.
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6
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The product is ideal for heating swimming pools and spas using natural gas as a fuel source.
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7
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This product is ideal for heating outdoor pools with natural gas at elevations between 2,000 and 6,000 feet.
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8
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Ideal for heating swimming pools and spas using propane fuel with a high BTU capacity.
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9
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This product is ideal for heating above-ground and inground pools using solar energy with a DIY installation.
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10
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Ideal for heating large outdoor pools powered by natural gas with a high BTU output.
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1. Raypak Pool Heater For High Elevation.

The product boasts a cutting-edge LCD digital display that delivers precise temperature readings, ensuring efficient and reliable performance. With this feature, users can monitor the operational status of the product and diagnose any service-related issues with ease. The product has been designed with high-wind resistance in mind, making it ideal for outdoor use in areas with harsh weather conditions. Additionally, the headers are made of corrosion-resistant materials, which ensures that the product lasts longer and performs optimally. The Unitherm governor feature is also included in the product to prevent condensation, ensuring that the product operates smoothly and efficiently. These features make this product an excellent investment for anyone looking for a reliable and efficient solution.
2. Raypak Digital Low Nox Natural Gas 266000 Btu Pool Heater 009241

The product under review comes with the Part Number 009241 and Model Number P-R267AL-EN-C. This device is engineered to provide accurate temperature readings via an LCD digital display. It is designed to monitor the operational status, as well as service diagnostics, making it a reliable and efficient tool for users. Additionally, this product boasts high-wind resistance, ensuring that it can withstand harsh weather conditions.
The LCD digital display is a standout feature of this product, providing users with accurate temperature readings. With this display, users can easily monitor temperature changes and make necessary adjustments. Additionally, this device is designed to monitor the operational status and service diagnostics, providing users with valuable insights into the device's performance.
One of the most impressive features of this product is its high-wind resistance. This attribute makes it an ideal tool for outdoor use, ensuring that it can withstand harsh weather conditions and continue to function optimally.
3. Raypak 014784 Pr156aenc 150000 Btu Natural Gas Heater

The product with Part Number 014784 and Model Number P-R156A-EN-C is a fantastic solution for those who want to extend their swimming season and utilize their pool or spa for a longer time. This product is designed to allow you to open your pool earlier in the season and keep it open later in the year, making it a perfect choice for above-ground pools and spas.
One of the notable features of this product is its 2" water connections which make it easy to install and use. You won't have to worry about complicated installation procedures or hiring professional help as this product is easy to set up.
It is important to note that this product cannot be shipped to the state of California due to certain state regulations.
4. Sunheater S120u Universal Solar Pool Heater 2 By 20-Feet, Black

Looking to get more enjoyment and use out of your in-ground or above-ground pool? The Solar Pool Heater is a simple and effective solution that can help raise your pool's water temperature by 6-10 degrees Fahrenheit.
With easy DIY installation, this pool heater can be installed on your roof, rack, ground, or fence. Its patented web design is specifically engineered for maximum exposure to the sun's rays, ensuring that your pool water is heated efficiently and effectively.
This solar pool heater is designed to work with your existing pool pump, making it a cost-effective and energy-efficient option for those looking to save money on their pool heating costs. With its ability to increase pool water temperature, you can extend your pool season and enjoy swimming for longer periods throughout the year.
Please note that additional kits or plumbing may be required depending on your specific pool setup. However, the solar pool heater is a versatile and highly effective option that can help you enjoy your pool even more.
Upgrade your pool heating system with the Solar Pool Heater and enjoy the benefits of a warm, inviting pool all season long.
5. Raypak 206,000 Btu Natural Gas Millivolt Pool Heater

The product being described here is a high-quality heater that is designed to withstand strong winds and resist corrosion. The heater has a part number of 009192 and a model number of P-R206A-MN-C.
One of the standout features of this heater is its high-wind resistance. This means that it is capable of withstanding strong gusts of wind without being damaged or knocked over. This is particularly important for those who live in areas that experience frequent windstorms or hurricanes.
In addition to its wind resistance, the heater also features corrosion-resistant headers. This is an important feature for those who live in areas that experience high levels of humidity or saltwater exposure, as these conditions can cause metal components to rust and corrode over time. With corrosion-resistant headers, this heater is built to last and capable of withstanding harsh environmental conditions.
Finally, the heater features PVC plumbing directly to the unit. This means that it is easy to install and requires minimal additional plumbing work. This is an important consideration for those who are looking for a hassle-free and straightforward installation process.
6. Raypak 105,000 Btu Swimming Pool And Spa Heater – Natural Gas

This pool and spa heater is a versatile and efficient option for above ground pools, smaller in-ground pools, and spas. It comes with a standard 120v 3-prong power cord, but can be easily converted to 220v for added convenience.
The heater features a simple analog thermostat dial that allows for accurate temperature setting of your pool or spa. With this feature, you can easily control the temperature of your water to suit your preferences.
The gas connection for this heater is 1/2" NPT and is located 4 5/8" off the ground level. The unit itself measures 27.5" in height, 12" in width, and 24" in depth, making it compact and easy to install.
Please note that this item is unable to be shipped to the state of California due to regulatory restrictions.
7. Raypak Gas Pool Heater For Elevated Pools

Looking for an accurate and reliable temperature monitoring system? Look no further than the P-R206A-EN-C model from Part Number 009220. With its advanced LCD digital display, this system provides precise temperature readings that you can count on.
One of the standout features of the P-R206A-EN-C model is its ability to monitor operational status and service diagnostics. This means that you can easily keep track of how your system is running and quickly identify any issues that need to be addressed.
In addition to its impressive monitoring capabilities, the P-R206A-EN-C model is also designed to withstand high winds. This makes it an ideal choice for outdoor installations, where strong gusts can pose a significant challenge.
Whether you're looking to upgrade your existing temperature monitoring system or install a new one from scratch, the P-R206A-EN-C model is an excellent choice. With its advanced features, sturdy construction, and reliable performance, it is sure to meet all of your temperature monitoring needs.
8. Raypak 105,000 Btu Swimming Pool And Spa Heater – Propane

This pool heater is specially designed to be easily installed on above-ground pools, smaller in-ground pools, and spas. Its versatile nature makes it an ideal choice for pool owners who want to enjoy comfortable swimming temperatures without any hassle.
The heater is equipped with a standard 120v 3-prong power cord that can be easily converted to 220v. This makes it highly convenient for those who want to use it with different power sources.
To ensure accurate and precise temperature control, the heater features a simple analog thermostat dial. This allows pool owners to set the desired temperature with ease and enjoy a comfortable swimming experience.
The gas connection of this pool heater is 1/2" NPT and measures 4 5/8" off the ground level. This ensures that the unit is easily accessible and can be connected to the gas supply without any difficulty.
Measuring 27.5" H x 12" wide X 24" Deep, this pool heater is compact and can be easily installed in small spaces. It is a perfect solution for those who want to enjoy warm water in their pools or spas without taking up too much space.
9. Solarpool Pro: Diy Panels For Powerful Heating.

The SunQuest panel kits offer a customizable solution to meet your specific pool heating needs. With a variety of options available, you can choose the perfect kit for your requirements, whether you want to place it on the ground, a rack, or your roof. The hardware is included, making installation a breeze. You'll find these solar pool heaters are more versatile and cost-effective than traditional electric or gas heaters.
By sizing and installing your SunQuest solar pool heater correctly, you can extend your swimming season by keeping your pool warm. With a temperature increase of up to 10 ℉, you can enjoy your pool for longer periods of time. For optimal results, use a Liquid Solar Blanket or cover to maintain the heat.
You'll appreciate the premium quality and superior technology of SunQuest solar pool heaters. They offer high-rated performance and second-to-none reliability. These heaters simply work, and keep on working. You can trust in their durability and longevity.
SunQuest heaters feature a MAX-flow design with 2" OD headers that provide better water circulation, less back pressure on your existing pump and filter, and maximum flow. For optimal performance, your existing pump and filter should be a minimum of ¾ horsepower.
You'll be impressed by the superior value of SunQuest solar panels. These professional-grade panels offer quality equal to or better than other systems costing thousands of dollars. SunQuest solar panels are simply unsurpassed in value.
10. Raypak 009218 Pr336aenc49 336000 Btu Natural Gas Pool Heater

The Integral Fin Copper Exchanger Tube is a state-of-the-art product that is designed to provide exceptional performance in a variety of applications. It features a unique copper exchanger tube that is designed to offer maximum heat transfer and efficiency, ensuring that your system operates at peak performance levels at all times.
The Corrosion-Free Polymer Headers are another key feature of this product. They are designed to resist the damaging effects of corrosion, which can lead to reduced performance and shortened lifespan of your system. This means that you can rely on this product to provide long-lasting and reliable service, even in harsh environments.
The Backlit LCD Controls are an intuitive and user-friendly way to operate your system. They provide clear and easy-to-understand information about the performance of your system, as well as allowing you to adjust settings and make changes as needed. This feature ensures that you have complete control over your system, and can make adjustments quickly and easily.
The Self-Diagnostic Microprocessor Controlled Ignition is an advanced feature that provides additional peace of mind and protection for your system. It constantly monitors your system and automatically detects and corrects any issues that arise. This ensures that your system always operates at peak performance levels, and that any problems are addressed quickly and efficiently.
Best Gas Pool Heaters For Inground Pools FAQs
Can gas pool heaters for inground pools be installed indoors?
Gas pool heaters for inground pools are not recommended to be installed indoors due to the risk of carbon monoxide poisoning. Gas pool heaters require proper ventilation to dissipate the exhaust fumes generated during the heating process. If the ventilation system is not adequate, carbon monoxide can build up and become a health hazard. Additionally, gas pool heaters require a gas supply and proper ventilation for the combustion process, which may not be available in an indoor setting. Therefore, it is best to install gas pool heaters for inground pools in an outdoor setting with proper ventilation and gas supply. If indoor heating is desired, it is recommended to use an electric pool heater or a heat pump, which are safer for indoor use.
How much do gas pool heaters for inground pools cost?
The cost of gas pool heaters for inground pools can vary depending on several factors such as the size of the pool, the location, and the brand of the heater. On average, a gas pool heater for an inground pool can cost between $1,500 to $3,500, with installation costs ranging from $500 to $1,000. However, high-end models with advanced features can cost up to $5,000 or more. It's important to consider the long-term costs of owning a gas pool heater, such as maintenance and energy bills, before making a purchase. It's also a good idea to shop around and compare prices from different manufacturers and retailers to find the best deal that fits your budget and needs.
What are the key factors to consider when selecting a gas pool heater for an inground pool?
When selecting a gas pool heater for an inground pool, there are several key factors to consider. Firstly, you will need to determine the size of your pool, as this will impact the size and power output of the heater you require. A professional installer can help you accurately calculate the size of heater you need based on your pool's dimensions.
Secondly, you will need to consider the type of gas you will be using. Natural gas and propane are the most common options, but availability and cost will vary depending on your location and local regulations.
Thirdly, you will need to consider the efficiency rating of the pool heater. Look for a model with a high energy efficiency rating to save on operating costs and reduce your environmental footprint.
Finally, consider the features and controls of the pool heater, such as a digital thermostat, automatic shut-off, and remote control. These features can make it easier to operate and maintain your pool heater, and ensure that it functions safely and efficiently.
Overall, selecting a gas pool heater requires careful consideration of your pool's size, gas type, efficiency rating, and features to ensure that you choose the right model for your needs and budget.
What are the most efficient gas pool heaters for inground pools?
There are several efficient gas pool heaters available in the market for inground pools. One of the most popular and efficient options is the Pentair MasterTemp pool heater. It has a high-efficiency rating and can heat your pool quickly. Another great option is the Hayward Universal H-Series pool heater. This heater has a low NOx emission and is environmentally friendly.
The Jandy Pro Series JXi pool heater is also a highly efficient option, with a compact design and easy installation. Additionally, the Raypak Digital pool heater is a reliable and energy-efficient option, featuring a digital control panel and corrosion-resistant materials.
When choosing a gas pool heater for your inground pool, it's important to consider factors such as the size of your pool, your budget, and the fuel source available. It's also recommended to consult with a professional to ensure that you choose the most efficient and appropriate heater for your specific needs.
What are the safety features to look for in a gas pool heater for inground pools?
When it comes to purchasing a gas pool heater for your inground pool, safety should be a top priority. Here are some of the safety features that you should look for:
1. Automatic shut-off: A gas pool heater should have an automatic shut-off system that turns off the heater in case of any malfunction or danger.
2. Pressure relief valve: A pressure relief valve is a crucial safety feature that prevents the heater from exploding due to excessive pressure. It releases the pressure if it exceeds the safe limit.
3. Ventilation: Proper ventilation is necessary for any gas appliance. Your gas pool heater should have an exhaust system that removes harmful gases like carbon monoxide from the pool area.
4. Flame sensor: A flame sensor detects if the burner is not igniting correctly and shuts off the gas supply if it fails to ignite.
5. Pool cover: You should always cover your pool when it's not in use, especially if you have children or pets around. A pool cover not only helps maintain the pool temperature but also keeps the area safe.
6. Professional installation: Always have your gas pool heater installed by a licensed and experienced professional who can ensure that all safety features and regulations are met.
Overall, safety should be a top concern when purchasing a gas pool heater for your inground pool. By selecting the right features and ensuring proper installation, you can enjoy a safe and comfortable swimming experience.
What is the average lifespan of a gas pool heater for inground pools?
The average lifespan of a gas pool heater for inground pools can vary depending on several factors, including the quality of the heater, usage, maintenance, and climate. However, on average, a gas pool heater can last between 5-10 years. Proper maintenance and regular check-ups can extend the lifespan of the heater. It is recommended to have a professional technician inspect and service the heater annually to ensure its optimal performance and longevity. In addition, factors such as weather conditions and usage frequency can affect the lifespan of the heater. If you are experiencing issues with your gas pool heater, it is best to consult with a professional to determine if it is time for a repair or replacement.
What is the maintenance required for a gas pool heater for inground pools?
Regular maintenance is crucial to ensure that your gas pool heater for inground pools runs efficiently and lasts longer. Here are some of the maintenance procedures that you should consider:
1. Clean the Filter: The filter should be cleaned regularly to prevent dirt, debris, and other particles from clogging the system. This will help improve the heater's efficiency and reduce the risk of breakdowns.
2. Inspect the Burner: Check the burner for any signs of wear and tear, including rust and corrosion. If you notice any issues, it's best to replace it immediately.
3. Check the Gas Pressure: Ensure that the gas pressure is at the right level. Low gas pressure can cause the heater to work harder than it should, leading to higher energy bills and more wear and tear.
4. Inspect the Heat Exchanger: The heat exchanger should be inspected regularly for any cracks or other signs of damage. If you notice any problems, it's best to replace it.
5. Hire a Professional: It's always best to hire a professional to inspect and service your gas pool heater. They have the necessary tools and expertise to identify and fix any issues, ensuring that your heater runs smoothly and efficiently.
Which gas pool heater brands are known for their reliability?
There are several gas pool heater brands that are known for their reliability. One of the most popular brands is Hayward, which offers a range of high-quality gas pool heaters that are durable and efficient. Another reliable brand is Pentair, which is known for its innovative and energy-efficient pool heating solutions. Raypak is also a reputable brand that offers reliable and long-lasting gas pool heaters. Additionally, Jandy, Zodiac, and Rheem are other reliable brands that provide efficient and durable gas pool heaters. When choosing a gas pool heater, it is important to consider factors such as size, efficiency, and ease of use, as well as the reputation of the brand. It is also a good idea to read reviews and consult with a pool professional to determine the best option for your specific needs and budget.
Which gas pool heaters have the highest heating capacity?
Gas pool heaters are a popular choice for many pool owners as they are efficient and provide quick heating of the water. When it comes to the heating capacity of gas pool heaters, it is important to look at the BTU (British Thermal Unit) rating. The higher the BTU rating, the more heating capacity the gas pool heater will have.
Based on this, the gas pool heaters with the highest heating capacity are those with a BTU rating of 400,000 or higher. These gas pool heaters are suitable for larger pools and can quickly raise the water temperature. Some popular models with high BTU ratings include the Pentair MasterTemp 400, Hayward H400FDN, and Raypak 406A.
It is important to note that while high BTU ratings indicate higher heating capacity, they also consume more gas. It is essential to choose a gas pool heater with a BTU rating that is appropriate for the size of your pool to ensure efficient heating and avoid unnecessary gas consumption.
Which gas pool heaters offer the best value for money?
When it comes to gas pool heaters, there are different brands and models available, each with their own set of features and benefits. However, if you are looking for the best value for money, it is important to consider factors such as efficiency, durability, and overall performance.
One gas pool heater that offers good value for money is the Hayward H150FDN Universal H-Series. It is a powerful and efficient heater that can quickly heat up your pool and maintain the desired temperature. It is also designed to be durable and long-lasting, with a corrosion-resistant heat exchanger and a tough exterior.
Another option is the Pentair 460736 MasterTemp High-Performance Eco-Friendly Pool Heater. This heater is known for its advanced technology, which makes it more efficient and eco-friendly. It also has a compact design, making it easy to install and use.
Ultimately, the best gas pool heater for you will depend on your specific needs and budget. It is important to compare different models and read reviews from other customers to find the one that offers the best value for your money.