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The 8 Best pool gas heaters of 2025

Are you trying to find pool gas heaters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling pool gas heaters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 19 hours of research and did 21 pool gas heaters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best pool gas heaters you can buy today

No. 1
Hayward W3H150FDN Universal H-Series 150,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas
  • The Hayward Universal H-Series 150,000 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
No. 2
Raypak 014779 PR106AENC 105000 BTU Natural Gas Pool Heater
  • Polymer headers prevent rust stains on your pool or spa surface
  • All-Copper-Fin-Tube Heat Exchanger; Made from a single piece of extruded copper
  • Delivers uninterrupted heating performance regardless of falling leaves, wind, airborne debris, rain, downdrafts, updrafts, sleet, snow, etc
  • Doesn't require fans to combat drafting problems
No. 3
Raypak 009218 PR336AENC49 336000 BTU Natural Gas Pool Heater
  • Integral Fin Copper Exchanger Tube
  • Corrosion-Free Polymer Headers
  • Backlit LCD Controls
  • Self-Diagnostic Microprocessor Controlled Ignition
No. 4
Raypak 014784 PR156AENC 150000 BTU Natural Gas Heater
  • 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
No. 5
Raypak 206,000 BTU Digital Electronic Ignition Natural Gas Pool Heater
  • 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
No. 6
Hayward W3H135FDN H-Series Pool/Spa Heater, 135k BTU, Natural Gas Model
  • Durable cupro nickel heat exchanger
  • Industry-leading hydraulic performance with faster speed-to-heat capability
  • Intuitive and easy-to-operate electronic panel
  • Exclusive "Totally Managed" cupro nickel heat exchanger water flow
  • Low NOx emissions—meets clean air quality standards
SaleNo. 7
Raypak 105,000 BTU Swimming Pool and Spa Heater - Propane
  • Designed for easy installation on above ground pools, smaller in-ground pools, and spas
  • Standard 120v 3-prong power cord or can be easily converted to 220v
  • Simple analog thermostat dial for accurate pool and spa temperature setting
  • Gas connection is 1/2" NPT and measures 4 5/8" off the ground level
  • Unit measures 27.5" H x 12" wide X 24" Deep
No. 8
Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons
  • High-performance, affordable heater with premium features
  • 82% energy efficiency is highest in class
  • 1-1/2 in. Plumbing connection -- ideal for smaller bodies of water, including aboveground pools, spas and inground pools up to 15,000 gallons
  • Pre-mixed combustion technology for ultra-fast heat up
  • Easy-to-use digital display/controller
No. 9
Master Temp Gas Pool Heater, 250,000 BTU, Model (Natural)
  • HEATING CAPACITY: Powerful 250,000 BTU natural gas heater designed for efficient pool and spa heating
  • COMPACT DESIGN: Space-saving unit with rotating digital display for flexible installation options and easy monitoring
  • PERFORMANCE FEATURES: Pre-mixed gas combustion technology ensures consistent heating and optimal fuel efficiency
  • OPERATIONAL CONTROLS: User-friendly digital controls with temperature adjustment and diagnostic indicator lights
  • CONSTRUCTION: Durable copper heat exchanger and rust-resistant housing built for long-lasting performance
No. 10
Pentair EC-462024 -Natural Gas 125K Heater - Limited Warranty
  • High-performance, affordable heater with premium features
  • 82% energy efficiency is highest in class
  • 1-1/2 in. Plumbing connection -- ideal for smaller bodies of water, including aboveground pools, spas and inground pools up to 15,000 gallons
  • Pre-mixed combustion technology for ultra-fast heat up
  • Easy-to-use digital display/controller
SaleNo. 11
Raypak Digital Cupro-Nickel Natural Gas 240,000 BTU Pool Heater - 014939
  • The Raypak Digital Cupro-Nickel Natural Gas Heater offers simplicity and durability, ensuring optimal heating for your pool and spa
  • Pagoda design ensures heater stays active in harsh weather conditions
  • Microprocessor controlled thermostat
  • Powder-coated galvanized metal construction
  • Remote compatible
No. 12
Raypak Digital 266,000 BTU, Natural Gas, Pool Heater for 2,000'-6,000' Elevation - P-R266A-EN-C #51 009221
  • LCD digital display provides accurate temperature
  • Monitors operational status as well as service diagnostics
  • High-wind resistance
  • Corrosion-resistant headers
  • Unitherm governor prevents condensation
No. 13
No. 15
FibroPool Swimming Pool Heat Pump - FH135 35,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed
  • CLEAN AND GREEN: The FH135 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 7,500 gallons and above ground pools up to 18 foot round or 12 by 24 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
No. 16
Raypak 014786-156A Propane Gas Pool Heater 150K BTU for 0-1999ft Elevation
  • Part Number: 014786
  • Model Number: P-R156A-EP-C
  • Black color
  • Its very easy and elegant to use
No. 17
Raypak 105,000 BTU Swimming Pool and Spa Heater - Natural Gas
  • Designed for easy installation on above ground pools, smaller in-ground pools, and spas
  • Standard 120v 3-prong power cord or can be easily converted to 220v
  • Simple analog thermostat dial for accurate pool and spa temperature setting
  • Fully serviceable and built for years of operation
  • Gas connection is 1/2" NPT and measures 4 5/8" off the ground level. Unit measures 27.5" H x 12" wide X 24" Deep
No. 18
Raypak B-R266A-EN-X 266K BTU Natural Gas #50 ASME Cupro Nickel Commercial Pool Heater 017400
  • Part Number: 017400
  • Model Number: B-R266A-EN-X
  • Elevation: 0 - 2000 ft elevation ASME rated for commercial swimming pools and spas
  • Digital display screen
  • Electronic ignition
No. 19
MasterTemp Pentair EC-462027 250,000 BTU Propane Gas Pool Heater
  • Built to last with tough rust proof exterior
  • Premix combustion technology for fast and efficient warm-ups
  • Built in safety features to ensure system protection
  • Rotatable, easy-to-use, intuitive operation controls
  • Certified for outdoor and indoor installation
No. 20
AYCHLG 222000Btu/Hr 480V Up to 40000 Gallons Commercial Pool Heater for Swimming Pools, SPA Pools, and Bathtubs,SPA Water Bath Heater Thermostat Swimming Pool Thermostat Heater Pump
  • 1.220,000 BTU/ hr 480V in coastal climates,the temperature ranged from 71.6 °F-122 °F (22 °C-50 °C)
  • Suitable for 40,000 Gallons -300 sqft In ground Pools, 27' Round-18 x 33 Oval Above ground pools ( Long Island NY- Corpus Christi TX) . If you are not sure about your area's suitability or performance rating, please sned us your zipcode and pool size and we will size it for you.
  • 3.Designed, Engineered, Manufactured and Serviced by Coasts
  • 4.Suitable for ALL Hot Tubs,Above Ground Inground Pool Swimming Pool.
  • 5. 54KW,60 HZ American Voltage.Wired To three Phase 40A GFCI,Use With Water Pump.

How to choose a good pool gas heaters

Does the idea of finding a fantastic pool gas heaters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in pool gas heaters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top pool gas heaters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top pool gas heaters on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top pool gas heaters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top pool gas heaters based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the pool gas heaters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good pool gas heaters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your pool gas heaters.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting pool gas heaters for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our pool gas heaters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what pool gas heaters should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on pool gas heaters.