6 Best Gas Pool Heater Reviews in 2022


When winter comes around, a lot of us cannot even imagine jumping into a pool without getting a chill down our spines. In a lot of households, the backyard pools are almost unused throughout the winter seasons. And the situation isn’t that different when it comes to common pools or community swimming areas.

But, what if we tell you that there’s a great solution for it. If you want to use a pool in drastic climate conditions, you should install a pool heater. And if you don’t want to rely on electricity to do the job for you, you should take a look at gas pool heaters. But before you actually buy one, here are some things that you should keep in mind.

  • Manufacturer: When it comes to apparatus like gas pool heaters, it is pretty difficult to get an exact idea about their build quality and reliability since you can’t actually check the performance of the unit before buying it. But, you can get an idea about the overall quality of the unit by referring to its manufacturer. If a certain gas pool heater is popular in the market, it is probably offering the best performance for its value.
  • Heating Capacity: The heating capacity of a gas pool heater is similar to that of any heating accessory whether it is a small water heater or a large room air heater. While it is always better to have a pool expert decide the size for the pool heater, you can also do the same if you know how to check the heating capacity of the gas pool heater. For that, you will have to consider the surface area of the pool, temperature difference, and capacity of the pool itself.
  • Warranty: To ensure the reliability of a device that will be working with a continuous flow of water, you should check its warranty period allotted by the manufacturer. The warranty period ensures the working of your gas pool heater as well as the internal components installed within the unit for a particular period of time. Since these heaters aren’t exactly cheap, you should consider the warranty period even more carefully.

There might be a handful of options available in the market for a gas pool heater that you might be familiar with so far. But in order to find the best option, you need to examine all the great options and pick one that fits your budget. But, we have already done the hard part for you by creating this list of the best gas pool heaters present in the market right now. We will be offering all the necessary information with each of our picks so that you can buy the right option without any doubt. We will also talk more about how to buy the perfect gas pool heater in our Buying Guide for the best gas pool heater.

Best Gas Pool Heater 2022

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6 Best Gas Pool Heater Reviews

1. Hayward W3H150FDN Natural Gas Pool and Spa Heater

Hayward W3H150FDN

If you don’t wish to waste a lot of time browsing through hundreds of options for a decent gas pool heater, top right here. The following gas pool heater from Hayward is one of the most trusted options on the market.

Our 1st choice for this list of the best gas pool heaters is the Hayward W3H150FDN. This is a 150000 BTU capacity gas pool and spa heater that can work pretty well for a wide range of in-ground pools and spas. It can be installed for pools ranging up to 400 sq. ft. in surface area. It is also an environmentally friendly option since it does not emit any toxic gases like NOx upon combustion.

As for its performance, you can expect the water in your pool to get the heater up pretty quickly as it is designed by Hayward, an experienced brand for pool accessories. Also, all Hayward products feature a heightened resistance against problems like rust and corrosion which is important for a pool accessory. The Hayward W3H150FDN features a year long warranty period along with many exciting features.

Best Features

  • It has a heating capacity of about 150000 BTU
  • Comes with a year long warranty period
  • Environmentally friendly design
  • Suitable for up to 400 sq. ft. pools

Pros

  • Quite an efficient option
  • Free from corrosion and other weather problems
  • Works for in-ground pools and spas

Cons

  • Some options are more affordable

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2. Raypak Digital Natural Gas Pool Heater

Raypak Digital Natural Gas Pool Heater

If you have a large pool, then you should definitely consider going with an option like the one presented by Raypak. This is the most powerful option available on this list and is perfectly suitable for large pools.

In 2nd place, we have the Raypak Natural Gas Pool Heater. This is certainly a premium option compared to other picks you will find in the market. But, this is the only option that can perfectly suffice for a large commercial pool, along with medium to large-sized domestic pools. The Raypak Natural Gas Pool Heater has a heating capacity of about 266000 BTU and the unit is built with such a shape that it can withstand any weather condition with ease.

The Raypak Natural Gas Pool Heater also features an intermittent spark ignition pilot which allows maximum safety for the user while you are using the heater. Also, the built-in ignition system surely increases the overall performance of the heater. With the Raypak Natural Gas Pool Heater, you won’t be needing an external heat sink since the unit is made up of space=age material.

Best Features

  • It has a heating capacity of about 266000 BTU
  • Comes with 2 year warranty period
  • Made up of space-age material
  • Reliable option for a gas pool heater

Pros

  • It has an intermittent spark ignition pilot
  • Safe rom environmental damage
  • Offers the best heating capacity

Cons

  • Very expensive option for a basic domestic pool

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3. FOGATTI Natural Gas Tankless Water Heater

FOGATTI Natural Gas Tankless Water Heater

Our next choice for the best gas pool heater is coming from FOGATTI which is yet another highly reliable brand on this list. However, you will find this option quite affordable compared to other gas pool heaters on the market.

In 3rd position, we have placed the FOGATTI Tankless Water Heater. This unit offers a heating capacity of about 180000 BTU which is not bad considering it is the cheapest option we could find for a water heater. It also manages to heat up to 8.1 gallons every minute, making the water ready to use within 30 minutes after you start the heater. Furthermore, the high energy conversion rate of the FOGATTI Tankless Water Heater also reduces energy loss and makes the unit cheaper to use.

Despite being the cheapest option in this selection, the FOGATTI Tankless Water Heater features CSA certification for its highly reliable build quality and internal components. It also has a built-in exhaust fan that eliminates the effects of outside wind on the performance of the heater. Unlike most other water heaters, the FOGATTI Tankless Water Heater comes with a 2 year long warranty period.

Best Features

  • It has a heating capacity of about 180000 BTU
  • Comes with 2 year warranty period
  • CSA certified design
  • 1 GPM heating capacity

Pros

  • Heat exchanger has 5 year warranty
  • One of the compact options for a gas pool heater
  • Highly reliable choice for such an affordable price range

Cons

  • Not the perfect option for large pools

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4. Pentair EC462025 MasterTemp Heater

Pentair EC462025 MasterTemp Heater

Pentair is also a good option to consider while you are looking for a gas pool heater. Pentair also designs various other pool accessories such as filters, heat pumps, valves, and other interior components.

The Pentair EC462025 is yet another great option that can be perfect for small-sized pools having water volumes up to 15000 gallons. This natural gas heater has a heating capacity of about 125000 BTU and it can easily heat up a small pool within a short time frame. On top of that, Pentair also promises 82% energy efficiency on the Pentair EC462025, making it cheaper in terms of running costs in the long run.

The Pentair EC462025 barely makes an audible noise when it is turned ON. Thus, you can rest assured that it won’t be bothering you while you are relaxing in your pool. There is a rotatable digital dial on the Pentair EC462025 that can be easily accessed irrespective of the installation position of the water heater. It also has basic indicator lights to quickly indicate the current status of the machine and water temperature. It also has a built-in stack flue sensor that prevents the water from overheating.

Best Features

  • It has a heating capacity of about 125000 BTU
  • Comes with a year long warranty period
  • Built-in stack flue sensor
  • Basic indicators lights along with a rotatable digital display

Pros

  • Very safe option
  • Offers 82% energy efficiency
  • Suitable for up to 15000 gallons pool water bodies

Cons

  • Heating capacity is a bit low for the price

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5 .Hayward W3H150FDP Universal Pool and Spa Heater

Hayward W3H150FDP

Hayward is also a comparatively popular brand for pool accessories when it comes to premium range options. Just like our first option, the following gas pool heater from Hayward features a great specification set with a premium build quality.

The Hayward W3H150FDP is yet another great addition to the H-series products designed by Hayward. This is one of the best options designed by the brand for in-ground pools ranging up to 400 sq. ft. in surface area. Similar to our last option from Hayward, the Hayward W3H150FDP also has little to no impact on the environment since it does not emit any toxic gases upon combustion. And just like other H-series water heaters, the Hayward W3H150FDP also has exceptional protection against environmental problems like corrosion.

When it comes to performance, the Hayward W3H150FDP certainly does not disappoint with the heating capacity of about 150000 BTU fueled by propane. This water heater also has a high energy efficiency rating thanks to the advanced pump design which reduces the circulation of water when the temperature is maintained. It reduces the consumption of fuel and makes the heater cheaper in terms of running costs.

Best Features

  • It has a heating capacity of about 150000 BTU
  • Comes with a year long warranty period
  • Energy efficient design with no toxic emissions
  • Suitable for up to 400 sq. ft.

Pros

  • Environmentally friendly design
  • Great corrosion resistance
  • Features cupro nickel heat exchanger

Cons

  • Warranty period is only 1 year long

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6. Raypak Swimming Pool and Spa Heater

Raypak Swimming Pool and Spa Heater

In the end, we are bringing one more highly reliable option for a gas pool heater. It is also a comparatively affordable option that can be a great pick for the long term.

Rounding up our list of the best gas pool heaters, we have the Raypak Swimming Pool and Spa Heater. This is a rather smaller unit which can be perfect for a small-sized pool. The Raypak 105,000 BTU Swimming Pool and Spa Heater have a water heating capacity of about 105000 BTU that can easily get your small pool ready to use within an hour of starting the heater.

Coming to the build quality, the Raypak Swimming Pool and Spa Heater has a polyester coating on the top so that the cabinet is completely non-corrosive and more durable than standard metal cabinets. The Raypak Swimming Pool and Spa Heater is designed in such a way that it automatically drafts in outdoor installations. It also benefits from low-profile design of the unit which is rarely available with a gas pool heater. The Raypak Swimming Pool and Spa Heater, just like our last option from Raypak, is backed by a 2 year long warranty period.

Best Features

  • It has a heating capacity of about 105000 BTU
  • Comes with 2 year warranty period
  • Polyester coating on the body
  • Wind-resistant low profile design

Pros

  • Heat exchanger is made of up copper fin tubes
  • It has a long warranty period
  • Easy to install around small pools

Cons

  • Heating capacity might be too low for cold regions

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Buying Guide For The Best Gas Pool Heater

If you check the market right now, you will find that gas pool heaters are now more popular than ever and these options are mostly preferred over other standard options. The main reason behind that is the great heating capacity available with these units as well as the freedom to use the unit whenever needed, instead of relying on electricity. But, not all gas pool heaters are the same as different types of heaters are designed for different types of pools.

Therefore, we have offered a comprehensive list of the best gas pool heaters present in the market right now along with all the necessary details about their specifications and characteristics. If you are not sure how these specifications matter in terms of applications, check out our buying guide for the best gas pool heater. In this guide, we will cover the most important factors of a standard gas pool heater, allowing you to prefer the option which serves you the best.

1. Heating Efficiency

Before you buy a gas pool heater, you should consider checking out its heating efficiency to ensure you are buying the right option. While all gas pool heaters are operated on similar fuel, not all options will be the same in terms of efficiency. The efficiency of the unit in this matter regarding the consumption of the fuel in accordance with the temperature level of the pool maintained by your gas pool heater.

This factor matters the most if you have a large pool. If you end up with an inefficient gas pool heater for a large pool, the running cost of the unit itself will be a deal-breaker. In general, most standard gas pool heaters offer a heating efficiency ranging from 80 to 85%. But, if you increase your budget and move to the premium range, you may even find a higher heating efficiency with the gas pool heater. While the initial investment might seem like a lot, it would certainly have a better return on investment in terms of running costs.

2. Type of Heat Exchanger

Another factor that matters the most for a gas pool heater is the type of heat exchanger installed in it. As you see, the only job of a gas pool heater is to increase the temperature of the water coming from the filter before pouring it into the pool. Since the cycle will run continuously, it is important to check if the heat exchanger maintaining the temperature of the water is up to the task or not. In most cases, the heat exchanger used in a gas pool heater is made up of copper tubes or a copper-nickel alloy (more commonly known as cupro-nickel).

As you may already know, copper is a great conductor of heat and it can increase the temperature of water at a very fast rate. However, adding nickel to the mix increases the corrosion resistance of the copper tubes which is important since moisture contact is literally unavoidable in the case of a gas pool heater. Generally, cupro-nickel heat exchangers are a bit more expensive compared to copper heat exchangers. But if you are already investing thousands of dollars for a gas pool heater, it is wise to spend a few more and get a reliable option.

3. Size of Pool Heater

Now that we are aware of how to check the performance of a gas pool heater, let us talk about the applicability of a unit regarding the pool size. Before you buy a gas pool heater, you need to carefully consider the pool size where it will be installed to ensure whether it is the right option for your pool or not. This factor can be examined by checking the BTU rating of a particular gas pool heater before you place your order. To check the suitable size of the heater for your pool, you will first need to determine the surface area of the pool and the average difference between the air temperature and the temperature at which you wish to maintain the pool.

You should also factor in humid days, nighttime, and windy weather in the equation since water temperature drops rapidly in such situations. Once you have an approximate value for all, simply multiply the pool area by the temperature difference and a constant value of 12. This will give you the approximate BTU rating of the gas pool heater which can suffice for your pool. Any gas pool heater having a larger BTU rating will be a safer option, but one with a lesser BTU rating might not be the right choice for your pool.

4. Warranty

When it comes to the reliability of a convoluted accessory such as a gas pool heater, it is very important to ensure that you are going with a reliable option that will offer you desirable performance for years to come. And since gas pool heaters are already quite expensive, you probably wouldn’t want to replace one any time soon after you get one. For that, you have to make sure that you are buying a unit from a reliable brand that offers the specifications and performance that you desire.

On top of that, you should also ensure that it has a long warranty period from the brand which includes free-of-cost repairs and replacement in case an internal component of the gas pool heater is problematic or damaged. Generally, the gas pool heaters are backed with a year or 2 in terms of the warranty. But, the heat exchanger installed inside the gas pool heater has a longer warranty period. Thus, you can rest assured that even if other components of the gas pool heater need a replacement, your gas pool heater can be repaired as long as the heat exchanger is functional.

FAQs

Q. Should I prefer an electric pool heater over a gas pool heater?

Generally, a lot of buyers tend to prefer a gas pool heater over an electric one thanks to its numerous advantages and high performance. Even though electric pool heaters have higher energy efficiency, they require a larger initial investment and they might not be helpful if the water temperature drops too low. Also, you would have to rely on a stable electrical connection to use an electric pool heater which is not a requirement for gas pool heaters. Another advantage of a gas pool heater is a faster rise in water temperature, allowing you to use the pool quickly.

Q. How does a gas pool heater work?

Gas pool heaters generally operate on propane or natural fuel used as the primary and only fuel source. The gas is transferred inside a combustion chamber where it is combusted to generate a lot of heat and energy. Then, the generated heat is transferred to the pool water with the help of heat exchangers. Since these options do not rely on any other external power source, they can increase the temperature of your pool water irrespective of the surrounding temperature.

Q. Do I have to keep the gas pool heater ON at all times?

To put it simply, No. You won’t have to keep the gas pool heater turned ON at all times while you are using the pool. Instead, you will have to operate the gas pool heater in cycles, depending upon the temperature at which you want to keep the pool water and the surrounding weather. Once the pool is completely heated up, it won’t get cold instantly. Thus, there is no need to keep the heater on. Once you feel like the water temperature is dropping, you can turn on the heater to maintain the temperature at the desired level.

Conclusion

In a lot of cold regions, it is now necessary to install a dedicated pool heater for domestic or public pools to keep the water temperature at an enjoyable level. And for that, a lot of users prefer getting a gas pool heater over an electric option to get better and faster performance. And depending upon the size of your pool, you can even find an energy-efficient option that won’t cost a fortune in terms of running costs. To help you with that, we are bringing this list of the best gas pool heaters available on the market right now. These options are selected based on many important features such as heating capacity, supported pool size, energy efficiency, and many others. If you want to know more about these properties of a gas pool heater, make sure you check out our buying guide for the best gas pool heater present after our list. We have also handpicked some great options that you can prefer as your gas pool heater.

A lot of users are looking for a basic and affordable option for a pool heater, especially for a compact backyard pool. In such cases, the FOGATTI Natural Gas Tankless Water Heater will be the perfect option. Compared to other expensive options, this gas pool heater costs almost half. Still, it is one of the most reliable options in the market since it comes with a 2 year long warranty period. What’s better is that it has a heating capacity 180000 BTU which is sufficient for most users. Also, you can set up the touchscreen control unit of the FOGATTI Natural Gas Tankless Water Heater anywhere in your home for easy access.

When it comes to large water pools, smaller and low-capacity pool heaters won’t just do the job right. For such pools, the best option would be the Raypak Natural Gas Pool Heater. It has the heating capacity ranging up to 266,000 BTU, making it an ideal choice for large domestic pools and even commercial pools. Since this is a very premium choice, it is backed by a 2 year warranty period from Raypak. The best feature of the Raypak Natural Gas Pool Heater is the integrated spark ignition system that starts the heating cycle quickly and with ultimate safety.

Lastly, we will suggest going with the Raypak Swimming Pool and Spa Heater if you want a reliable choice within an affordable budget range. It is still one of the affordable options on this list, despite offering a heating capacity ranging up to 105,000 BTU. This unit can be installed in above-ground pools as well as smaller in-ground pools and spas. In order to control the performance of the Raypak Swimming Pool and Spa Heater, you will have an analog thermostat dial that lets you manage the temperature of your pool with ease.



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