Ready to enjoy warm, inviting waters? Our guide to the best natural gas pool heaters for inground pools has you covered!
The Hayward W3H150FDN Universal H-Series is perfect for maintaining comfortable temperatures in your inground pool and spa. With its reliable performance, you can swim any time of the year.
Plus, its compact design ensures it fits seamlessly into your outdoor space without taking up too much room.
We tested durability, ease of use, and more to find the best options for your needs.



Hayward W3H150FDN 150,000 BTU Pool Heater
If you’re looking for a reliable and efficient way to heat your in-ground pool or spa, the Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater is an excellent choice. This heater not only offers premium heating performance but also ensures long-lasting comfort with its durable construction and advanced features.
Pros
The Hayward H-Series boasts a cupro nickel heat exchanger that provides exceptional protection against corrosion, making it ideal for various water conditions. Its industry-leading hydraulic design significantly reduces circulation pump run time, leading to major energy savings over time. The front-panel-only access and intuitive control pad make operation and maintenance a breeze, even for those who are not technically inclined. Additionally, with low NOx emissions, this heater meets air quality standards, ensuring minimal environmental impact.
Cons
While the Hayward H-Series offers numerous benefits, some users may find the initial investment a bit high compared to other heaters on the market. Additionally, installation might require professional assistance, which can add to the overall cost. A few customers have reported that the heater takes a bit longer to reach the desired temperature compared to more powerful models, but this is often offset by its energy efficiency.
The Hayward W3H150FDN heater combines durability, efficiency, and user-friendly features, making it a top contender among natural gas pool heaters. If you want a dependable solution for your heating needs, this model will not disappoint.
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Raypak 206,000 BTU Natural Gas Pool Heater
If you’re looking for a reliable and efficient way to heat your pool, the Raypak 206,000 BTU Digital Electronic Ignition Natural Gas Pool Heater is an excellent choice. This heater is designed to withstand various weather conditions, making it a perfect solution for environments that demand efficiency, convenience, and versatility. Its innovative features, such as intermittent spark ignition pilot safety controls, ensure that the pilot only activates when there’s a call for heat, enhancing safety and energy efficiency.
Pros
The Raypak pool heater boasts a high efficiency rating, which means you can enjoy warm water without worrying about skyrocketing energy bills. Its small footprint is a significant advantage, as it fits seamlessly into your outdoor space without taking up too much room. Additionally, the use of space-age materials means that this heater won’t retain residual heat after being turned off, eliminating the need for expensive metal heat sinks during installation. This feature not only saves you money but also contributes to a more environmentally friendly setup.
Cons
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Raypak 336000 BTU Natural Gas Heater
If you’re searching for an efficient and reliable heating solution for your pool, look no further than the Raypak 009218 PR336AENC49 336000 BTU Natural Gas Pool Heater. This powerful heater is designed to keep your inground pool at the perfect temperature, allowing you to enjoy swimming year-round. With its integral fin copper exchanger tube, this heater ensures optimal heat transfer, making it one of the best natural gas pool heaters available.
Pros
The Raypak pool heater boasts impressive features that set it apart from the competition. First, the corrosion-free polymer headers enhance durability and longevity, ensuring you won’t have to worry about rust or wear over time. The backlit LCD controls make it easy to operate, even in low-light conditions, allowing for quick adjustments. Additionally, the self-diagnostic microprocessor controlled ignition simplifies maintenance by alerting you to any issues, making troubleshooting a breeze.
Cons
While the Raypak heater excels in many areas, it does have a few drawbacks. Some users may find the initial installation cost a bit high, especially if professional help is required. Additionally, the heater’s size can be a concern for those with limited space around their pool area, as it requires adequate ventilation and clearance for optimal performance.
Overall, the Raypak 009218 PR336AENC49 is a fantastic investment for pool owners looking to enhance their swimming experience. Its combination of efficiency, durability, and user-friendly features makes it a top contender in the market.
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Pentair Natural Gas 125K Heater
If you’re searching for the best natural gas pool heaters for inground pools, the Pentair EC-462024 is an excellent choice. This heater combines high performance with affordability, making it a top contender in its class. With an impressive 82% energy efficiency, it stands out among competitors and offers significant savings on energy bills.
Pros
The Pentair EC-462024 features a 1-1/2 inch plumbing connection, making it perfect for smaller bodies of water, including aboveground pools and spas. Its pre-mixed combustion technology ensures an ultra-fast heat up, so you can enjoy your pool without long waits. The easy-to-use digital display and controller simplify operation, allowing you to adjust settings effortlessly. Additionally, its limited warranty provides peace of mind, ensuring that you’re covered in case of any issues.
Cons
While the Pentair EC-462024 is a fantastic option, it does have some downsides. Installation may require professional help, which can add to the overall cost. Some users have noted that the heater’s noise level can be higher than expected, which might be a concern for those with nearby outdoor living spaces. Lastly, it may not be suitable for larger pools over 15,000 gallons, limiting its versatility.
Overall, the Pentair EC-462024 delivers excellent value with its combination of efficiency, performance, and user-friendly features. It’s a smart investment for anyone looking to enhance their pool experience.
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Raypak 105000 BTU Natural Gas Pool Heater
If you’re looking for an efficient and reliable heating solution for your pool, the Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater is a fantastic choice. This heater stands out with its unique features designed to deliver consistent heating performance, even in challenging weather conditions. The polymer headers prevent rust stains, ensuring your pool or spa remains pristine.
Pros
The Raypak pool heater boasts an All-Copper-Fin-Tube Heat Exchanger, crafted from a single piece of extruded copper, which enhances its durability and efficiency. Its ability to deliver uninterrupted heating performance is remarkable, as it functions well despite falling leaves, wind, and other airborne debris. This heater doesn’t require fans, making it an energy-efficient option that minimizes operational noise while effectively combating drafting problems.
Cons
While the Raypak heater is generally reliable, some users report that installation can be a bit challenging, especially for those not familiar with gas pool heaters. Additionally, it may not be the most budget-friendly option on the market, but the long-term savings on energy bills can offset the initial investment. Lastly, ensure you have adequate ventilation, as this is crucial for optimal performance.
Overall, the Raypak 014779 PR106AENC is one of the best natural gas pool heaters for inground pools, offering a blend of efficiency, durability, and reliability that makes it a worthwhile investment for any pool owner.
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Faq about best natural gas pool heaters for inground pools:
1: What are the benefits of natural gas pool heaters?
Natural gas pool heaters provide fast heating, allowing you to enjoy your pool quickly. They are efficient for larger pools and can maintain consistent water temperatures.
2: How do I choose the right size natural gas pool heater?
To choose the right size, consider your pool’s volume, desired temperature increase, and the heater’s BTU output. A professional can help determine the best fit.
3: Are natural gas pool heaters energy efficient?
Yes, natural gas pool heaters are generally energy efficient, especially for large pools, as they heat water quickly and maintain temperature effectively.
4: What maintenance do natural gas pool heaters require?
Regular maintenance includes checking gas connections, cleaning filters, and inspecting the heater for wear. Annual professional servicing is recommended for optimal performance.
5: Can natural gas pool heaters be used in cold climates?
Yes, natural gas pool heaters perform well in cold climates, providing reliable heating even in lower temperatures, making them suitable for year-round use.
Conclusion
The Hayward W3H150FDN, with its efficient 150,000 BTU output, exemplifies reliability and performance, making it an exceptional choice for maintaining optimal water temperatures in inground pools. Its durable construction and user-friendly features ensure a seamless experience for pool owners.
Similarly, the Raypak 206,000 BTU Natural Gas Pool Heater stands out for its robust heating capabilities, catering to larger pools with remarkable efficiency. Its advanced technology and ease of installation further enhance its appeal, solidifying its position as a premier option in the market.