Top 12 Best Pool Heaters Consumer Guide & Reports (2023)

If you are someone who loves to swim in a pool (Above ground Pool or an In ground one) in an Off season as well, then to maintain the temperature and enhance the swimming experience, you need a pool heater.

However, living in an area where the season is mostly warm and hot doesn’t require opting for a pool heater but if it’s the opposite, then a pool heater is a must. In addition, if you have your own hot tub or spa then it is incomplete without having a pool heater.

So, in this article, we will guide you in detail about the pool heaters for above ground and in ground, electric, solar and gas powered pool heaters.

Hold your seatbelts and let’s dive deep into the plethora of information.

Our Best Pick

Aquacal Heatwave Heat-Cool Swimming Pool Heat Pump Review

In our opinion in reference to our testing and buyer’s feedback, the best gas powered pool heater is the Hayward W3H150FDN pool heater as it offers reliable heating performance and the results last longer as compared to others.

For electric pool heater, we consider AquaCal heatwave pool heater the best option and for solar panel pool heater, Smartpool S601 pool heater would be a considerable option.

Comparison of the Top Rated Pool Heaters

If you are in a hurry then below we have compared the consumers top picks of Pool heaters that are also reviewed in the later section below.

Select any two Pool heaters from the dropdown list below in the table to compare.

Best Pool HeatersVS
1. Hayward W3H150FDN Universal H-Series Pool Heater2. Rheem Above-Ground Pool Heater3. Hayward W3HP21004T HeatPro Pool Heat Pump4. Raypak Natural Gas Pool Heater5. Pentair EC462025 Natural Gas Heater for Small Pools6. Raypak 014786-156A Propane Gas Pool Heater7. GESAIL Bucket Water Heater8. SmartPool S601 Inground Pool Solar Heating System9. Aquacal Heatwave Heat-Cool Swimming Pool Heat Pump10. FibroPool FH055 above Ground Swimming Pool Heater11. Hayward W3H400FDN Universal H-Series Heater12. Intex Solar Heater Mat for Above Ground Swimming Pool
Product Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review Product-Review
BTU150,000 BTUs150,000 BTUs95,000 BTUs206,000 BTUs125,000 BTUs150,000 BTUs1.4BTU (per second)406,000 BTUs110,000 BTUs55000 BTUs400,000 BTUs100,000 BTUs
Thermal efficiency83%90%85%85%82%80%85%82%80%85%85%80%
Weight 150 pounds990 lbs270 pounds 187 pounds80 pounds115 pounds1.79 pounds29 pounds120 pounds120 pounds214 pounds5.3 pounds
Dimensions33.3 x 32.8 x 30.6 inches50 x 50 x 50 inches40 x 31 x 43 inches43 x 31 x 26.3 inches36 inches x 25 inches x 22.5 inches32 x 30 x 16 inches16.93 x 2.95 x 2.95 inches240 x 54 x 2 inches30 x 40 x 40 inches48 x 20 x 24 inches39.6 x 32.8 x 30.6 inches47.25 x 47.25 x 0.5 inches
AwardBest gas powered pool heaterHighly efficient Best for small in-ground poolsBudget-friendly Best Natural gas heater for in-ground and above ground poolsBest Propane pool heaterBest for small inflatable poolsBest solar panel heaterBest electric pool heaterGood for huge in-ground poolsBest for saltwater poolsCheapest option
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Factors to Consider When Looking for a Pool Heater- Consumer Guide

Here are the most important key factors to look for when looking for a pool heater. These factors will help you make a better decision as per your requirements and needs.

Let’s have a look at them.

Types of Pool heaters

It is important to have proper knowledge about types of pool heaters before jumping towards other factors. There are three types of pool heaters which are classified on the basis of power source. 

Choosing among them depends upon some factors like; size of your pool, pool type (in ground or above ground) and your budget. However, we will guide you which one is better for whom and when.

1. Electric pool heaters (Heat Pumps)

These pool heaters use electricity to run as the name indicates itself. These pool heaters take time to heat the pool water but the results stay longer. They can heat up large pools more efficiently and for a longer period of time.

Best Electric Pool Water Heaters Consumer Reports

However, they are a bit expensive. Also, electric pool heaters are more efficient than the gas powered ones.

2. Gas powered

Gas powered pool heaters either use Natural gas or Propane as a fuel. Such heaters heat the pool instantly for a short period of time irrespective of the weather condition. They are not highly efficient comparative to electric heaters but are good for small pools to heat instantly.

Best Gas Pool Heaters Consumer Reports

In addition, the gas powered heaters are affordable but the expense of fuel makes it pricey. We would recommend Natural gas or propane pool heaters to opt for only when you use your pool occasionally. 

3. Solar pool heaters

These heaters work with the solar panels which absorb energy from the sun and transfer it to the pool. These are eco-friendly and don’t cost you on a monthly basis unlike other ones. However, the installation cost of solar panels is quite high.

Solar Pool Heaters Consumer Reports

Size of the pool

The type of pool heaters selection depends upon your pool size as well. If you have a small pool (above ground or in ground), it would be best to opt for gas powered or low-power solar heaters. For big pools, either opt for electric ones or high heat output (BTU) of gas powered ones. 

The simple rule of thumb is, the larger the pool size (more gallons of water) the higher heat output is needed to heat the pool water irrespective of the heater type. The BTU (heat output) is another factor which helps to select the right size of pool heater (we will be discussing it in detail in the next section below).

BTU and Size Consideration (How to measure the size)

Each and every pool heater comes with a specific amount of BTU (British Thermal Unit) which depicts the heat output of the pool heater. The amount of heat output needed to heat your pool water depends upon the size of your pool or how much your pool holds water (in gallons).

You need to run some calculations to get the correct size of pool heater with respect to heat output. First of all, you need to calculate the pool size. Here are the step by step calculations which will help you get the best pool heater size.

Best Pool Heaters Reviews
  1. First you need to know how much change you want in the temperature of your pool water. 

             Average temperature in cold season – your desired temperature = Your target   

             temperature rise ( For example; 70-60=10 degrees)

It means you need to raise your pool temperature by a 10 degree increase in Fahrenheit. 

  1. After that, calculate your pool size area in square feet (Length x width).
  2. Multiply the pool size (square feet) by Target temperature rise and by factor 12.

           Pool size x target temperature x 12 = BTU range of pool heater.

  1. You can convert the gallons of water (your pool hold) into pounds. 1 gallon = 8.83 lbs. And, further divide the pounds by 24 hours if you want to calculate per hour.

 For your information, 1BTU increases the 1 Lb of water. You can calculate it that way as well.

Compatibility

Another important factor which most of the users don’t bother to look at is the compatibility of the pool heater with your pool. For instance, if your pool contains salt water, look for the details whether it is safe to use for that or not as the pool heater might get damaged/rusted in the long run.

You can also clean your pool one time properly before installing a heater either without draining or with draining, depending upon the need.

Also, manufacturers have mentioned (mostly) about whether the pool heater is best for above ground pool or in ground pool.

However, we will guide you properly as well in detail so you wouldn’t be worrying about looking into the details from anywhere else. 

But…! 

Before that, here is a small description about how to install the pool heater (for those who don’t know), let’s dive into that first.


12 Best Pool Heaters (Reviews & Reports)

After in depth research and testing multiple pool heaters (solar, gas powered and electrical ones), we came up with the best ones which offer a good range of heat output and are in a wide variety for in ground pools and above ground pools.

So, let’s dive in.

1. Hayward W3H150FDN Universal H-Series Pool Heater

Hayward W3H150Fdn Universal H-Series Pool Heater Review

The first one on our list is a gas powered pool heater. Hayward is a popular brand for making pool heaters which offers reliability and efficiency specially the H-series. This model is specifically manufactured for in-ground pools.

Let’s get into the details of it.

Technical specifications

Brand Hayward
Material Cupro Nickel
BTU150,000 BTUs
Thermal efficiency83%
Weight 150 pounds
Dimensions33.3 x 32.8 x 30.6 inches

Features and Overall Performance

This model works only with Natural gas and it would be a convenient option for those who have a gas pipe line. The H-series of hayward pool heater offers fast performance and gives long-lasting results (rare for a gas powered heater).

It is equipped with an easy-to-control control panel on the front of the heater and the directions and operations are easily handled by users. Another interesting feature of this gas powered pool heater is, it emits low NOx (Nitrogen Oxides) which makes it environmentally friendly as well.

It offers a heat output of 150,000 BTUs which can easily heat 400 sq.ft and above areas of  in-ground pools. Furthermore, it is made up of Cupro Nickel which protects the heater from getting rusted. 

Installation of this heater doesn’t require any expertise. When we tested this pool heater, the pool water warmed up in one hour only with quiet efficiency. The instruction manual of it is super easy to follow.

However, we would recommend you to take proper care of the unit in order to prevent it from any kind of wear and tear issues.

Pros

  • Highly efficient.
  • Good for medium to large in-ground pools.
  • Installation is easy.
  • The instruction manual is easy to follow.
  • Best natural gas pool heater for in-ground pools.

Cons

  • A bit loud. 

Consumers Report

Hundreds of buyers have rated this pool heater with 4.7 stars out of 5.

The majority of users who have been using this pool heater for months now are still satisfied with the performance of it. It heats the pool pretty fast and in no time which attracts the majority of them.

Our suggestion

We rate this pool heater with a 9 score out of 10.

If you have an in-ground pool and you are more likely to use Natural gas pool heater as it would be more convenient for you, then this one would be a considerable option.

Recommended Read: Guide to Winterize an Above Ground Pool


2. Rheem Above-Ground Pool Heater

Rheem Above-Ground Pool Heater Review

The next recommendation is another gas powered pool heater (Natural gas) of Rheem brand which is popular for providing fast performance products. Unlike the precious gas powered one, this one is good for above ground pools.

Technical specifications

Brand Rheem manufactured by Ruud
Material Copper and polymer
BTU150,000 BTUs
Thermal efficiency90%
Weight 990 lbs
Dimensions50 x 50 x 50 inches

Features and Overall Performance

The most interesting feature of Rheem pool heaters is, they are made up of high-quality material which is wind-resistant and protects the heater from any weather condition and debris. One can control the operations of it via a thermostat and the digital display notifies about the temperature updates.

The heater is good for spas and above ground pools and comes with no cost of maintenance. It offers a heat output of 150,000 BTUs which is considered good for medium to large above ground pools.

It uses Natural gas (only) as a fuel and is up to 90% efficient. The interesting feature of this pool heater is, it comes with a burner tray which is capable of being run under high temperatures and in case of tearing issues, it is easy to be replaced.

Furthermore, the size of this pool heater is enough to fit in confined places as well. Also, the durability factor of it is impressive due to its high-quality build up.

Pros

  • Silent performance.
  • Good for above ground pools.
  • Wind-resistant design.
  • It exceeds all standards of state and federal.
  • It can fit in any place.

Cons

  • A bit expensive. 

Consumers Report

The buyers have rated this pool heater with 4.6 stars out of 5.

As per the reports, the buyers are pretty satisfied with the instant heating performance of this pool heater. The interesting feature which grabbed the most of the attention of the users is its design which is rust-proof and wind-resistant. 

Our suggestion

We rate this pool heater with an 8.5 score out of 10.

If you are looking for a pool heater for instant results and your priority is a Natural gas pool heater, then this one is a considerable option. In addition, this one is suitable for above ground pools (inflatable or polyvinyl ones).


3. Hayward W3HP21004T HeatPro Pool Heat Pump

Hayward W3Hp21004T Heatpro Pool Heat Pump Consumer Reports

This one is another Hayward addition in our list and unlike the previous one (which is gas powered) this one is electrically powered. This one is for in-ground pools. There is more into what it has to offer us, let’s have a look.

Technical specifications

Brand Hayward
Material Titanium 
BTU95,000 BTUs
Thermal efficiency85%
Weight 270 pounds
Dimensions40 x 31 x 43 inches

Features and Overall Performance

The material of this pool heater is corrosion resistant and offers high durability. It can bear all the coastal seasons easily. In addition, it is electrically powered and offers a heat output of 95,000 BTUs.

As per our testing, this pool heater is efficient for small in-ground pools which are used on a daily basis. It can heat up the 35000 gallons of water easily in an hour and the water will stay warm for up to 3 hours. 

The installation and plumbing of this unit is quite easy but you need a professional electrician for electrical wiring installation. Also, this pool heater is capable of heating the cold water efficiently for hours. 

Also, the operation of this heater is quiet as per our testing. However, we would recommend you to use a solar cover for its safety. And, in reference to the reports of customers, they considered this one a good investment. 

Pros

  • Good for small in-ground pools.
  • Corrosion resistant heater.
  • Easy to install. 
  • Budget-friendly.

Cons

  • The unit might leak if not taken proper care of.

Consumers Report

Hundreds of buyers have rated this pool heater with 4.5 stars out of 5.

In reference to the reports, the buyers are pretty satisfied with its efficiency and heating performance. The results of it last for longer irrespective of taking a bit of time in heating the water. 

Our suggestion

We rate this electrical pool heater with an 8 score out of 10.

This one is recommended for small in-ground pools which are used on a daily basis for long durations. However, we would recommend to take proper care of this unit and keep it away from any sharp material and not install it in any congested place.


4. Raypak Natural Gas Pool Heater

Budget-friendly.

Raypak Natural Gas Pool Heater Consumer Reports

The next recommendation is Raypak natural gas pool heater. For those who don’t know, Raypak is the most famous brand for manufacturing pool heaters and there is a huge variety in their products.

This model is compatible with both; above ground pools and in ground pools. For further details, let’s dive deep into it.

Technical specifications

Brand Raypak
Material Copper
BTU206,000 BTUs
Thermal efficiency85%
Weight 187 pounds
Dimensions43 x 31 x 26.3 inches

Features and Overall Performance

The heater is made up of high-quality Copper which can easily withstand all seasons. The interesting and distinguishing feature of this pool heater is, it is equipped with a safety control feature. 

The ignition pilot only comes forward when there is a call to heat the pool which makes it safer to use around kids. In addition, the predecessors didn’t offer high heating efficiency as it does. The 206,000 BTUs of heat output is good for medium to large pools (above ground or in-ground). 

As per our testing, it heats the water (20,000 gallons) by one degree Fahrenheit per hour. The efficient performance of this unit outshines the performance of its predecessors. Throughout the testing of this unit we were satisfied as it offers smooth heating performance. 

Moreover, the instruction manual it comes with has easy to follow instruction and a detailed guide.

Pros

  • It is more efficient than its predecessors.
  • Easy to read manual.
  • Installation is easy.
  • Easy to operate.

Cons

  • It sometimes creates a fuss in regulating the temperature (nothing serious as troubleshooting is super easy).

Consumers Report

Hundreds of buyers have rated this pool heater with 4.5 stars out of 5.

Overall the experience of this heater is good as per the reports of consumers. Also, installation, operation and troubleshooting is very easy. The price to performance ratio of it is also appreciable. 

Our suggestion

We rate this gas pool heater with an 8.5 score out of 10.

Overall the performance of it is quite good and efficient. This one is economical as well and if you are running on a low budget, then this gas powered pool heater would be a considerable option. 


5. Pentair EC462025 Natural Gas Heater for Small Pools

Pentair Ec462025 Natural Gas Heater For Small Pools Review

The next recommendation is Pentair EC462025 pool heater. This one is another Natural gas pool heater but is specifically designed for small pools. Also, the heating efficiency of it is worth mentioning.

Let’s have a look at the other features of it.

Technical specifications

Brand Pentair
Material Stainless steel
BTU125,000 BTUs
Thermal efficiency82%
Weight 80 pounds
Dimensions36 inches x 25 inches x 22.5 inches

Features and Overall Performance

It offers 125,000 BTUs of heat output which according to our tests is good for small pools. The design of this heater is user-friendly; the display is rotating and is backlit as well. Moreover, it is equipped with safety controls as well like; overheating protection as the unit alerts when temperature reaches its limit.

Also, the unit is UV-resistant and corrosive-resistant. Unlike other pool heaters, this one is portable and small sized which can easily be installed in any place. However, when it comes to durability, it didn’t satisfy us in this department. 

The control panel of this unit is rotatable which is designed for user’s convenience. According to our tests, this unit can heat up 15000 gallons of water by degrees in an hour. However, it doesn’t come with the plug so you need to purchase it separately.

Other than that, the installation and maintenance of this pool heater is super easy.

Pros

  • Good for small pools.
  • Efficient irrespective of small size.
  • It offers auto-shut Off feature.
  • Low NOx emissions.
  • User-friendly design.

Cons

  • Not highly durable. 

Consumers Report

The buyers have rated this pool heater with 4 stars out of 5.

The users who have been using this pool heater for months now still praised its performance. Despite having a small and compact size, it offers 85% of heating efficiency as compared to its predecessors. What attracted them the most is its efficiency and small size.

Our suggestion

We rate this pool heater with a 7.5 score out of 10.

If your pool carries maximum water of around 15000 gallons of water whether in-ground or above ground pool, then this compact one would be a considerable option to opt for. 


6. Raypak 014786-156A Propane Gas Pool Heater

Raypak 014786-156A Propane Gas Pool Heater Review

This one is another Raypak pool heater and unlike the previous one this one is only fueled with propane (LPG).  

Technical specifications

Brand Raypak
Material Stainless steel
BTU150,000 BTUs
Thermal efficiency80%
Weight 115 pounds 
Dimensions32 x 30 x 16 inches

Features and Overall Performance

As far as the performance of this pool heater is concerned, it offers 150,000 BTUs of heat output with 80% efficiency. It can warm up the temperature by 2 degrees per hour. Moreover, the installation is super easy even a newbie or inexperienced person can easily install it without seeking any help.

The interesting feature of it is (as per our testing), it offers uninterrupted heating performance irrespective of the weather condition and without getting distorted, this unit serves its duty really well. 

This unit needs proper care otherwise it will get rusted or clogged with Carbon. The warranty is one year and the performance of it is silent.

This one is good for above ground pools only and offers quiet performance.

Pros

  • Very quiet performance.
  • Easy to install.
  • Easy to operate.
  • Good for above ground pools.

Cons

  • A bit expensive.

Consumers Report

The buyers have rated this pool heater with  4.2 rating out of 5.

As per the reports, installation and operating the unit was super easy which most of the users praised about. Also, it is not noisy at all unlike its predecessors and the customers were pretty happy about that. 

Our suggestion

We rate this pool heater with a 7.5 score out of 10.

According to our tests, this one is the best propane pool heater for above ground pools and if you are looking for a propane one, then this one would be a considerable option.


7. GESAIL Bucket Water Heater

Best for small inflatable pools.

Gesail Bucket Water Heater For Inflatable Pools Review

The next recommendation is GESAIL pool water heater. This one is electrically corded and is designed for small above ground pools. Let’s have a look at what it has more to offer us. 

Technical specifications

Brand GESAIL
Material Stainless steel 
BTU1.4BTU (per second)
Thermal efficiency85%
Weight 1.79 pounds
Dimensions16.93 x 2.95 x 2.95 inches

Features and Overall Performance

The operation of this heater is super easy and it comes with an auto shut Off feature which makes it safer to use as well. In addition, it is immersed in the water to increase the temperature unlike other pool heaters.

It can heat 5 gallons of water in a few minutes. The stainless steel guard on the rod helps to transfer heat in the water quickly. However, we would recommend you to place this heater in the middle of the pool to have efficient results.

TIP: Make sure to avoid contact with the pool walls.

Utmost care is required for this pool heater not only when you need to store it but also when using it. Don’t let any child or pet around it when you are heating the pool water. Also, such heaters are used to heat small water tubs as well as they provide instant heating in mere minutes.

Pros

  • Highly portable.
  • Easy to use.
  • No installation required.
  • It takes a little time to heat the water.

Cons

  • The cord of it could have been a bit longer.

Consumers Report

Thousands of buyers have rated this pool heater with 4.3 rating out of 5.

The majority of buyers are satisfied with this product as it can easily heat inflatable pools and tub water as well. Overall, the feedback is positive apart from that the cord of it could have been a bit longer.

Our suggestion

We rate this pool heater with an 8 score out of 10.

If you are looking for an inflatable pool heater which you can carry easily anywhere you want, then this one would be a good option. 


8. SmartPool S601 Inground Pool Solar Heating System

Smartpool S601 Inground Pool Solar Heating System

After reviewing gas pool heaters and an electrical pool heater, we came up with the Solar pool heater addition. And for the record, this one is among the top-rated pool heaters right now. 

Let’s look into the details of it. 

Technical specifications

Brand SmarPool
Material polypropylene
BTU406,000 BTUs
Thermal efficiency82%
Weight 29 pounds
Dimensions240 x 54 x 2 inches

Features and Overall Performance

Well, if you are tired of your high electricity bills and want to shift to another option to heat your in-ground pool, then opting for a solar pool heater would be a considerable option. A solar pool heater sends the water into the coils, heats it and then sends it back to the pool.

It is good for large sized in-ground pools as it offers the heat output of 406,000 BTUs. We would recommend you to double check your pool size before making a purchase as larger ones will need more panels.

TIP: If you live in any area where temperature mostly drops, then opting for a solar pool heater wouldn’t be a good option.

In reference to our testing, the parts of this unit require replacement after a few years but the replacement process is worth it as well.

Pros

  • Easy to install.
  • Budget-friendly.
  • Best for those areas where temperature stays warm.
  • Good heating efficiency.

Cons

  • The installation kit is sold separately.
  • Not highly efficient.

Consumers Report

Hundreds of buyers have rated this pool heater with 4.3 ratings out of 10.

The majority of users who have been using this heater for months now are delighted with the heating performance of it. The one thing that they talked about the most is their low electricity bills.

Our suggestion

We rate this pool heater with an 8 score out of 10.

If you are looking for a solar panel pool heater for your in-ground pool then this one would be a considerable option.


9. Aquacal Heatwave Heat-Cool Swimming Pool Heat Pump

Best 2-in-1 Pool heater.

Aquacal Heatwave Heat-Cool Swimming Pool Heat Pump Review
Editor’s Rating:
9.6/10

The next recommendation is Aquacal Heatwave 2-in-1 pool heater. Unlike previous ones, this one is 2-in-1 which allows you to heat the pool and cool the water as well. And, there is more into that so let’s have a look.

Technical specifications

Brand AquaCal
Material Stainless steel
BTU110,000 BTUs
Thermal efficiency80%
Weight 120 pounds 
Dimensions30 x 40 x 40 inches

Features and Overall Performance

When it comes to its performance, it is highly silent which attracted us the most. Also, the distinguishing feature of this pool heater is, one can heat or cool the pool water by regulating the temperature from controls.

Furthermore, the controls are super easy and one can control it via a Wi-Fi connected remote controller. Any pool (above ground or in-ground) having a water capacity of 25,000 to 35,000 gallons can easily be heated with this pool heater.

In the summer season, if you want to enjoy cool water swimming, then you can benefit from its cooling feature as well.

Pros

  • It can heat and cool the water.
  • Easy to install.
  • Easy to operate.
  • Super quiet performance.
  • One can control it via Wi-fi controller as well.

Cons

  • A bit expensive.

Consumers Report

The buyers have rated this pool heater with 4.3 ratings out of 5.

The users who have been using this electric pool heater are satisfied with its overall performance. The super quiet performance of this pool heater impressed them the most.

Our suggestion

We rate this pool heater with an 9.6 score out of 10.

This one is the best electric pool heater for both in-ground and above ground pools and if you are looking for an all rounder, then this one would be a considerable option.


10. FibroPool FH055 above Ground Swimming Pool Heater

Fibropool Fh055 Above Ground Swimming Pool Heater Reports

This one is another electric pool heater and is manufactured only for big sized pools. Here is what it has more to offer us.

Technical specifications

Brand Fibropool 
Material Titanium 
BTU55000 BTUs
Thermal efficiency85%
Weight 120 pounds
Dimensions48 x 20 x 24 inches

Features and Overall Performance

The unit is quite heavy and large which takes a bit of time to install properly. Also, there is no vibration when running it but it offers a bit of noise. The interesting feature about this pool heater is despite offering 55000 BTUs of heat output, it offers 85% efficiency.

It requires 220 Volt of power to run efficiently and make sure you have the right connection. In addition, the digital control panel is easy-to-read and easy to operate. Also, the material is designed in such a way that it can withstand harsh weather conditions easily.

Pros

  • Highly efficient.
  • Good for large sized in-ground pools.
  • Comes with a built-in fan.
  • Easy to operate.

Cons

  • A bit noisy. 
  • The quality of control panel cover is a bit compromised.

Consumers Report

Hundreds of buyers have rated this pool heater with 4.3 ratings out of 5.

As per the reports, the heating performance of this unit is good enough for large above ground pools. Due to its huge size, it is a bit tricky to install which most of the users complained about. 

Our suggestion

We rate this pool heater with an 8 score out of 10.

If you own a big sized in-ground pool and are looking for an electric pool heater, then this one would be a considerable option. Also, it comes with a built-in fan so when the unit is under a work load, it manages it pretty well.


11. Hayward W3H400FDN Universal H-Series 

(Best for saltwater Pools)

Hayward W3H400Fdn Universal H-Series Heater For Saltwater Pools

The next one is another Hayward gas powered pool heater (Natural gas) and this model is specifically manufactured for saltwater pools either above ground pool or in-ground pool.

Technical specifications

Brand Hayward
Material Cupro Nickel
BTU400,000 BTUs
Thermal efficiency85%
Weight 214 pounds
Dimensions39.6 x 32.8 x 30.6 inches

Features and Overall Performance

This model comes in a variety of sizes so one can choose according to the size of the pool. The material is made up of Cupro Nickel just like other Hayward H-series pool heaters but this one is coated with rust-proof material which protects it from rust when used for saltwater pools for a long time. 

The heat output is 400,000 BTUs which is considered as good for medium to large sized pools. It is good for in-ground pools but after we tested it was compatible with above ground pools as well. 

It uses only Natural gas as fuel and is easy to install. 

Pros

  • It works great.
  • Easy to install.
  • The display is equipped with LED lights.
  • Low NOx emissions.
  • Easy to follow instruction manual.

Cons

  • A bit noisy.
  • Technical support would be a bit difficult if you ran into a physical damage problem.

Consumers Report

Hundreds of buyers have rated this pool heater with 4.4 ratings out of 5.

As per the reports, the heating efficiency of this pool heater is quite impressive and offers pretty high heat output for pools. Overall, the experience is quite good in reference to the customer’s reports.

Our suggestion

We rate this pool heater with an 8 score out of 10.

Hayward is a well recognized brand and it didn’t disappoint us no matter what model it is. However, if you have a saltwater pool (above ground or in-ground), then this one would be a considerable option.


12. Intex Solar Heater Mat for Above Ground Swimming Pool

Cheapest option.

Intex Solar Heater Mat For Above Ground Swimming Pool

Last but not the least, we recommend Intex solar heater for above ground pools and is the cheapest option available in the market right now. However, the price to performance ratio is not compromised at all.

Technical specifications

Brand Intex
Material Stabilized PVC
BTU100,000 BTUs
Thermal efficiency80%
Weight 5.3 pounds 
Dimensions47.25 x 47.25 x 0.5 inches

Features and Overall Performance

The heat output of this solar heat mat is 100,000 BTUs and it takes around 1 hour to heat 2500 gallons of water. Although it takes a bit of time, the results stay for longer. Being a solar mat, it doesn’t consume a lot of energy.

Furthermore, the heater is good for above ground pools (small size). Also, you can adjust how much water should pass through the panels as per your preference.

Pros

  • Cheapest pool heater.
  • Best for Intex small above ground pools.
  • Easy installation.
  • Very easy to use.
  • well-built.

Cons

  • It takes a bit of time to heat the pool.
  • Filter pump is not included.

Consumers Report

Thousands of buyers have rated this pool heater with 4 ratings out of 5.

Overall the design and functionality of this solar heating pad is quite considerable and the majority of users praised this unit. However, a few complained about the filter pump which is not included in the package and one has to buy it separately.

Our suggestion

We rate this pool heater with a 7.5 score out of 10.

If you have a very low budget and are looking for a pool heater for your above ground pool (specially Intex one as most of the above ground pools are manufactured by Intex), then this one would be a considerable option.


How to Install a Pool Heater?

The first thing you need to consider when installing the pool heater is to make sure your pool has 50mm clearance in all directions.

The next step is to make sure the place where you are going to install the heater is safe and clear; which means it should be made up of cemented surface so the heater doesn’t shift when placed.

Installing A Pool Heater

After that, mark the boundary where you need to place your pool heater and gid the hole for the heater pad where you will be placing the whole equipment. 

Now connect the cables and pipes (gas line or electrical line) properly and connect it with the pool (you can take help from the instruction manual as well).

Once everything is connected make sure to secure all the screws and nuts of the heater pad and you are done.

You may also like: Above Ground Pool Installation Guide


Solutions to Problems That You Can Face in a Pool Heater

Owning a pool heater can be hectic sometimes and needs your attention. If you are running into problems like;

  • The pilot isn’t lighting.
  • It is leaking.
  • The heating Cycle turns Off and On automatically.
  • It is rusted.

Such issues are caused by lack of maintenance, cleaning and keep checking the water chemistry of pools. Keep checking the water flow rate, clean the heater and pool occasionally and make sure the pool heater is of the right size with respect to the pool size, then you won’t face such issues.

You may also like to Read: Above Ground Problems and their Solutions


FAQs regarding Pool Heaters

How much is a pool heater?

Well, the price range depends upon the brand and model. A good pool heater with impressive features price range is between $1000 to $2000. There are some models which cost you in hundred bucks with good price to performance ratio.

What is the difference between a gas and electric pool heater?

Electric pool heaters use electricity to heat the pool, they take time to heat the water but once it’s done, the results last longer (up to hours). 

Gas pool heaters use Natural gas or propane as a fuel to run and they instantly heat the pool. However, the heating impact doesn’t last for hours. Gas powered pool heaters are best for such pools which are used on a daily basis.

Which pool heater is best for a Jacuzzi tub?

For a jacuzzi tub, a gas powered pool heater would be a considerable option. Rheem gas powered pool heater would be best as it provides 90% heating efficiency.


Final Verdict

In order to extend the pool usage in the spring and autumn season, one needs to have a pool heater. Also, heating the water of your hot tub or jacuzzi tub, you need a heater. And, we hope the multi-variety pool heaters (for above and in-ground pools) we had mentioned have helped you choose the best one according to your preferences and needs.

In our opinion, the best features to look for in a pool heater is the heat output (BTU) and its heating efficiency. However, if you are facing any issue regarding making a better choice, then you can ask us.

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