If you are shopping natural gas pool heaters, then you probably have checked it out on various places online. We understand that you are looking for that one best natural gas pool heaters that fulfills all your demands considering its price, usability, and durability. If this is what you are looking for, great! Jump straight to our discussions.

We are sure that many models, brands, and companies selling natural gas pool heaters are available in the market and it will leave you in a state of confusion as you can’t decide which one to opt. So to make things easier for you we have compiled a list of top-rated natural gas pool heaters you can choose from along with their benefits and key aspects. Though all the choices in the list are amazing, We would recommend using Rinnai V53DeN Tankless Water Heaters, V53DeN-Natural Gas/5.3 GPM as it is a high-quality product and is available at a reasonable price. With good quality and pretty smart features, you will definitely love this product. However, all the other natural gas pool heaters discussed in the list are equally wonderful and pocket-friendly. In this article, we have only shared the best products that guarantee high quality and backed by top manufacturers or brands.

Best natural gas pool heaters

Image
Product Title
Score

Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas
9.9

Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
9.6

Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, Heavy Duty
9.3

FibroPool FH055 In Ground Swimming Pool Heater
8.6

Raypak PR206AEN 206K BTU Electronic Ignition Natural Gas Swimming Pool Heater
8.5

Raypak 014784 PR156AENC 150000 BTU Natural Gas Heater
8.1

Rinnai V53DeN Tankless Water Heaters, V53DeN-Natural Gas/5.3 GPM
7.7

EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology
7.4

Raypak 336,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
7.3

Raypak PR266AEN 266K BTU Electonic Natural Gas Swimming Pool Heater | 009217
6.3

Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas


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Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas

$4,199.00  in stock
9 new from $4,199.00
Amazon.com
as of April 22, 2025 8:07 am

Features

  • The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers premium heating performance for years of reliable, long-lasting comfort
  • A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
  • Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
  • Front-panel-only access and intuitive control pad provide easy operation, service and maintenance
  • Low NOx emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact

Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater


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Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

$3,899.00  in stock
7 new from $3,899.00
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Built to withstand various weather, great for environments requiring efficiency, convenience and versatility.
  • Intermittent spark ignition pilot safety controls. Pilot only comes on when there is heat.
  • Space-age material means the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of metal heat sinks.
  • Part Number: 009219 | Model Number: P-R406A-EN-C
  • ProTek Shield module helps protect heat exchanger and extend life of heater

Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, Heavy Duty


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Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, Heavy Duty

$3,119.99  out of stock
3 new from $3,119.99
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Heats up fast so no long waits before enjoying your pool or spa
  • Best-in-class energy efficiency. Tough, rustproof exterior handles the heat and weathers the elements
  • Manual gas shut-off when service is required
  • MasterTemp is certified for low NOx emission and outperforms industry standards

FibroPool FH055 In Ground Swimming Pool Heater


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FibroPool FH055 In Ground Swimming Pool Heater

$2,199.99  in stock
Amazon.com
as of April 22, 2025 8:07 am

Features

  • CLEAN AND GREEN: The FH255 is powered by clean electricity, reducing the harmful environmental effects and cost of traditional heaters that use natural gas or propane. Our pumps instead move heat from the air into the water, which saves you money and is a breeze to maintain
  • COMPATIBLE WITH: In ground pools up to 10,000 gallons and above ground pools up to 21 foot round or 15 by 30 foot oval. As with all heat pumps, we recommend using in a humid climate down to 50 degrees for best performance. Dry climates are better served by a traditional gas heater
  • HIGH EFFICIENCY: Utilizing high-pressure differential compressors and titanium heat exchangers, FibroPool heat pumps are meticulously designed to be the most energy efficient in their class. You can rest comfortably knowing your family will enjoy years of late season swimming without feeling a squeeze on your electric bill
  • RUGGED DESIGN: Enamel-coated steel chassis is designed to withstand outdoor elements season after season. Slim profile measures just 16"x40"x24", offering a wide range of mounting options. Conveniently installs with included 1 1/2 inch compression fittings
  • EASY OPERATION: Digital control panel with an easy-to-read display offers convenient temperature setting and monitoring. Optional extension cable allows you to mount the control panel in a location that works best for you

Raypak PR206AEN 206K BTU Electronic Ignition Natural Gas Swimming Pool Heater


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Raypak PR206AEN 206K BTU Electronic Ignition Natural Gas Swimming Pool Heater

$2,799.00
$2,589.00
 in stock
7 new from $2,589.00
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Built to withstand various weather conditions, perfect solution for environments requiring efficiency, convenience and versatility.
  • Intermittent spark ignition pilot safety controls. Pilot only comes on when there is a call for heat.
  • Space-age material means the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of costly metal heat sinks.
  • Part Number: 009216 | Model Number: P-R206A-EN-C
  • High efficiency, Small footprint

Raypak 014784 PR156AENC 150000 BTU Natural Gas Heater


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Raypak 014784 PR156AENC 150000 BTU Natural Gas Heater

$2,170.00
$1,942.50
 in stock
6 new from $1,942.80
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Part Number: 014784 | Model Number: P-R156A-EN-C
  • Allows you to extend your swim season, open your pool earlier and close it later.
  • Perfect choice for above-ground pools and spas
  • 2" water connections
  • Perfect for above-ground pools and spas

Rinnai V53DeN Tankless Water Heaters, V53DeN-Natural Gas/5.3 GPM


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Rinnai V53DeN Tankless Water Heaters, V53DeN-Natural Gas/5.3 GPM

 in stock
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Unlimited Hot Water For Your Family: Enjoy endless hot water with our Rinnai tankless hot water heater, providing a flow rate of 5.3 GPM to serve up to 4 appliances; Say goodbye to cold showers and hello to convenience with this efficient unit
  • Energy Efficiency At Its Best: This compact gas tankless water heater conserves energy by heating water only when needed, making it an earth-friendly choice for energy-conscious homeowners; Reduce utility bills and enjoy hot water as needed
  • Peace Of Mind With Long-Lasting Performance: The Rinnai tankless hot water heater offers a 10-year warranty on the heat exchanger, ensuring durability; Enjoy uninterrupted hot water flow without worrying about frequent repairs
  • Compact And Space-Saving Design: Our outdoor tankless hot water heater is designed for modern homes, ideal for families and new homeowners; Its small footprint allows easy installation in tight spaces without sacrificing performance
  • User-Friendly And Easy Installation: We recommend professional installation for the best results, ensuring safe operation of this on demand water heater; Visit our Rinnai PRO page to find a qualified technician near you

EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology


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EcoSmart SMART POOL 27 Electric Tankless Pool Heater, 27kW, 240 Volt, 112.5 Amps with Self Modulating Technology

$618.53
$604.99
 in stock
2 new from $604.99
2 used from $471.48
Free shipping
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Flow Activation
  • Eco smart Pool Heaters are compact and easy to install for a new or existing pool
  • Set your temperature digitally to increments of 1-Degree. Set it and forget it.
  • Compatible with Eco smart Remote Control. Activation Flow - 12 +/- 2 GPM
  • Can be used as an alternative to or booster to heat pump.

Raypak 336,000 BTU Digital Electronic Ignition Natural Gas Pool Heater


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Raypak 336,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

$3,634.78
$3,426.00
 in stock
5 new from $3,426.00
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Built to withstand various weather conditions, efficiency, convenience and versatility.
  • Intermittent spark ignition pilot safety controls. Pilot only comes on when there is a call for heat.
  • Space-age material means the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of metal heat sinks.
  • Part Number: 009218 | Model Number: P-R336A-EN-C
  • Item is unable to be shipped to state of California

Raypak PR266AEN 266K BTU Electonic Natural Gas Swimming Pool Heater | 009217


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Raypak PR266AEN 266K BTU Electonic Natural Gas Swimming Pool Heater | 009217

$2,879.00  in stock
11 new from $2,879.00
Amazon.com
as of April 22, 2025 8:07 am

Features

  • Built to withstand various weather conditions, perfect solution for environments requiring efficiency, convenience and versatility.
  • Intermittent spark ignition pilot safety controls. Pilot only comes on when there is a call for heat.
  • Space-age material means the heater won't retain residual heat after it is turned off, allowing it to be installed without the use of costly metal heat sinks.
  • Part Number: 009217 | Model Number: P-R266A-EN-C
  • Gas powered and suitable for use with swimming pools and spas

So, These were our complete list of best natural gas pool heaters you can find online. As you would not want to spend your hard earned money again and again, we have made this list with extensive research and review to help you get the best product in your hand. So, you can decide accordingly by comparing the features of different natural gas pool heaters and select the best among others.