Ready to enjoy your pool year-round? The best gas pool heater for inground pool makes it easy!
The Hayward W3H150FDN is perfect for consistent heating needs, ensuring your pool is always at the ideal temperature.
Plus, its compact design allows for easy installation, saving you valuable space.
We tested durability, ease of use, and more to ensure you get a reliable product for your relaxation.



Hayward 150,000 BTU Natural Gas Heater
The Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater is the best gas pool heater for in-ground pools, offering exceptional heating performance that keeps your swim season going strong. With a durable cupro nickel heat exchanger, this heater stands the test of time, resisting corrosion and premature failures that can plague other models due to unbalanced water chemistry. Its industry-leading hydraulic design not only enhances efficiency but also saves you money by reducing circulation pump run time.
Pros
The Hayward Universal H-Series is a game-changer for pool owners. Its intuitive control pad and front-panel access make operation and maintenance a breeze, ensuring you spend less time fiddling with settings and more time enjoying your pool. Plus, with low NOx emissions, this heater is environmentally friendly, meeting air quality standards without sacrificing performance. It’s like having a reliable friend who also cares about the planet!
Cons
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Raypak 336000 BTU Natural Gas Pool Heater
If you’re on the hunt for the best gas pool heater for your inground pool, look no further than the Raypak 009218 PR336AENC49. With a powerful 336,000 BTU output, this heater is designed to keep your pool at the perfect temperature, ensuring that every swim is a delight. It boasts an integral fin copper exchanger tube for maximum heat transfer efficiency, while the corrosion-free polymer headers ensure longevity and durability, even in harsh environments. The backlit LCD controls are user-friendly, making it easy to adjust settings even when the sun is shining bright.
Pros
The Raypak pool heater shines with its impressive heating capacity, ensuring your pool warms up quickly, even on cooler days. The self-diagnostic microprocessor-controlled ignition is a game-changer, providing reliable starts without the hassle of manual adjustments. Plus, the corrosion-free polymer headers mean you won’t have to worry about rust ruining your investment. It’s energy-efficient, which is always a plus for your wallet and the environment. And let’s not forget the sleek design that fits seamlessly into your pool area.
Cons
No product is perfect, and the Raypak is no exception. Some users may find the initial setup a bit complex, especially if you’re not handy with pool equipment. Additionally, while it’s built to last, the price tag might make some potential buyers raise an eyebrow. However, considering its performance and features, it often pays for itself in the long run. Just be prepared to invest a little time and money upfront.
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Raypak 105000 BTU Natural Gas Pool Heater
The Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater is a true game-changer for any inground pool owner looking to maintain a comfortable swimming temperature year-round. With its all-copper-fin-tube heat exchanger crafted from a single piece of extruded copper, this heater promises durability and efficiency. Plus, the polymer headers are designed to prevent rust stains, ensuring your pool or spa surface stays pristine. No more worrying about unexpected weather conditions like falling leaves or rain disrupting your pool time; this heater delivers uninterrupted heating performance no matter what Mother Nature throws at you.
Pros
This heater stands out for its robust construction and reliable performance. The all-copper design not only enhances heat transfer efficiency but also contributes to its longevity. Users will appreciate the ease of installation and the fact that it doesn’t require fans to tackle drafting issues. It’s like having a loyal butler for your pool, ensuring it’s always warm and inviting, regardless of the weather. The efficiency of the Raypak heater means lower energy bills, making it a wise investment for any pool enthusiast.
Cons
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Hayward H-Series 135k BTU Pool Heater
The Hayward W3H135FDN H-Series Pool/Spa Heater is a game-changer for anyone looking to heat their inground pool efficiently. With a robust 135,000 BTU output and a durable cupro nickel heat exchanger, this natural gas model delivers exceptional performance. It boasts an industry-leading hydraulic design that ensures faster speed-to-heat capability, meaning you can dive into a warm pool in no time!
Pros
This heater is packed with features that make it a top choice for pool owners. The intuitive electronic panel is a breeze to operate, allowing you to adjust settings with ease, even if you’re still half-asleep with your morning coffee. The exclusive “Totally Managed” cupro nickel heat exchanger water flow not only enhances efficiency but also extends the heater’s lifespan. Plus, with low NOx emissions, you can feel good about your environmental footprint while enjoying a luxurious swim.
Cons
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Pentair 125K Natural Gas Heater
The Pentair EC-462024 Natural Gas 125K Heater is an exceptional choice for anyone looking to warm up their pool or spa without breaking the bank. With its high-performance design and 82% energy efficiency, this heater stands out as one of the best gas pool heaters for inground pools. It’s perfect for smaller bodies of water, including aboveground pools and spas, accommodating up to 15,000 gallons with ease. The pre-mixed combustion technology ensures an ultra-fast heat-up time, so you can dive into your warm oasis in no time.
Pros
This heater’s energy efficiency is impressive, making it a smart choice for budget-conscious pool owners. The easy-to-use digital display/controller simplifies operation, allowing you to adjust settings with just a few taps. Its compact size and 1-1/2 inch plumbing connection make installation a breeze, especially for those with limited space. Plus, the limited warranty offers peace of mind, ensuring your investment is protected. If you’re looking for a reliable and effective way to heat your pool, the Pentair EC-462024 is a fantastic option.
Cons
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Faq about best gas pool heater for inground pool:
1:What is the best gas pool heater for inground pools?
The best gas pool heater for inground pools includes models like the Hayward H400FDN and the Pentair MasterTemp 400. These heaters are known for efficiency, reliability, and quick heating capabilities.
2:How do I choose the right gas pool heater?
Consider factors such as pool size, desired temperature, and heater efficiency ratings. Look for models with a high BTU output for faster heating.
3:What are the advantages of gas pool heaters?
Gas pool heaters heat water quickly and can maintain consistent temperatures, making them ideal for larger pools or colder climates.
4:Are gas pool heaters energy efficient?
Gas pool heaters can be energy efficient, especially modern models with high efficiency ratings. They typically have lower operational costs compared to electric heaters.
5:How much does it cost to run a gas pool heater?
Running costs depend on gas prices and heater efficiency. On average, expect to spend between $100 to $300 per month during peak usage.
6:Can I install a gas pool heater myself?
It is recommended to hire a professional for installation due to safety concerns and local regulations regarding gas connections.
Conclusion
In the realm of gas pool heaters, the Hayward 150,000 BTU model stands out for its efficiency and reliability, ensuring optimal water temperature with minimal energy consumption. Its robust construction and user-friendly interface make it a preferred choice for discerning pool owners.
Similarly, the Raypak 336,000 BTU heater excels in rapid heating capabilities, catering to larger pools with remarkable efficacy. Its advanced technology and durable design offer longevity and performance, solidifying its status as a formidable contender in the market.