The 12 Best Pool Heaters Reviews 2020 & Top Pick


Many spas and pools are not used as much as they should because of the miserable winter weather. Unless situated in a sunny area, these facilities are used for about four months every year.  

The best pool heaters can change that and ensure that you use your spa or pool 12 months a year. In this piece, we will look at these heaters to give you a head start when choosing the ideal one for your need.

Our 12 Top Choice for Pool Heaters Reviewed

Here are our top choices for pool heaters that you should consider getting for your swimming pool.

1. Game 4721-BB SolarPRO Curve Solar Pool Heater

Although it can be used with most inground pools, the Game 4721-BB is meant for above ground pools and can increase the temperature by five-degree. It can achieve that within four days for an 8K gallons swimming pool. 

The unit is made of high-quality material that holds up against harsh exposure to the sun rays and other outdoor elements. It comes with a unique curved shape that ensures maximum heat collection. 

There are also threaded ports that allow you to plumb the solar in different ways. Besides, the model is compatible with Bestway, Intex, and other above-ground pools due to its adjustable legs. 

Those legs let your heater sit on the sun to provide maximum and unobstructed exposure. It is a gradual solar heater.


  • Can fold the legs 
  • Easy to install 
  • For most pools 


  • Takes long to heat 

2. Hayward H150FDN Universal H-Series Pool and Spa Heater

The Hayward H150FDN comes with standard Cupro nickel material that enables the heat to travel fast for effective heating. That means that the unit is quite reliable and offers superior warming abilities.

It comes with a polymer header as well as a bypass valve to provide reliability and ultimate hydraulic efficiency. Another feature of the model is the ease of installation – you don’t need a professional to help you. 

Moreover, the model is environmentally friendly as it doesn’t emit a lot of NOx. You can count on it to extend your swimming season by a couple of months even after the sun has gone down.


  • Low NOx emission
  • Transfers heat easily
  • Reliable model 


  • Can be tricky to install 

3. Pentair 460792 Stainless Steel MasterTemp Heater

The Pentair 460792 is known for heating the pools faster, meaning it provides value for the money. You can install it today and get into your pool in the evening and enjoy the warm water.

It is one of the most energy-efficient models in its class – you won’t get high power bills for heating your spa. There is also a manual gas shut-off if you don’t want the unit to heat the facility. 

The best thing about the heater is that it has a NOx emission certificate that shows it produces fewer gases. Thus, it is a model for all environmentally conscious people who want to enjoy a warm swimming facility.


  • Heats the water fast
  • Energy-saving model
  • Easy to operate


  • A bit heavy 

4. Kokido Keops K835CNX/RV Solar Dome Water Heater

You shouldn’t shut down your swimming pool when summer comes if you have the Kokido Keops Solar Dome Water Heater. It is a useful model that enables you to swim even when the weather is freezing.

The model quickly brings the water temperature to a comfortable level that you can handle during the chilly nights and days. It is also an environmentally friendly machine that doesn’t produce excessive gases when heating your pool. 

Another feature is the ability to reduce the heating costs compared to using an electrical or gas heater. You also get a protective cover for keeping the device safe when it is not in use.


  • Comes with a protective cover
  • For everyday use
  • Doesn’t use a lot of energy


  • Breaks down easily

5. Hayward H150FDP Universal H-Series Pool and Spa Heater

Just like the Hayward H150FDPN model, this unit comes with a Cupro-nickel heat exchanger that provides reliable and superior heat transfer. You can be confident that every fuel you burn using this device is turned into energy for heating your pool. 

Another feature of the model is the bypass valve design and polymer header that offer reliable and efficient heating. Besides, it doesn’t produce a lot of NOx when you burn the gas. 

The model was made to allow you to install it with ease without using a lot of tools.


  • Patented polymer header
  • Versatile professional installation
  • Low NOx emissions


  • Uses lots of fuel

6. Fibropool FH 220 Swimming Pool Heater 

The Fibropool FH 220 Swimming Pool Heater is specially made to warm up domestic pools. It can quickly heat a facility of up to 7.5K gallons and is for all above ground swimming pools.

The unit is made of quality materials that make it durable to ensure that you use it for years. In terms of heating, the heater is effective and liable and ensures that you continue swimming, even the weather gets cold. 

One great feature is that the unit doesn’t produce a lot of noise when operating – it won’t disturb other people. And it is made of high-quality material that can withstand harsh weather for long.


  • Low operating cost 
  • Convenient connections 
  • DIY installation 


  • For small pools 

7. Raypak Digital Natural Gas Pool Heater

Consumer reports show that Raypak Digital Natural Gas Pool Heater is one of the reading models you can buy for your facility. It is made using high-quality cupro-nickel fin tube that helps it to withstand robust applications.

That means it won’t be affected by heavy use, high flow, or low pH and will continue to function optimally. It also comes with digital control featuring an LCD that lets you choose the desired temperature with ease.

Capron resin headers help to prevent corrosion that can affect the surface of the heater. Besides, there is a smart microprocessor that readout and monitor the system.


  • Rust-free unit
  • Made of quality material 
  • LCD 


  • Hard to operate 

8. Sta-Rite SR200NA Max-E-Therm Pool and Spa Heater

The Sta-Rite SR200NA Max-E Therm Pool Heater is one of the lightest heaters you can get on the market today. It also boasts of a compact design that makes it possible to fit it in tight spaces. 

The model saves you up to 84% of energy, making it a low operation unit. Another feature is the rust-free housing construction that ensures your model remains in top condition for years. 

One thing you can be sure of is that the unit can handle all weather elements and the high heat.


  • Energy-efficient model 
  • For installing in small areas
  • Ideal for all weather conditions


  • Takes time to heat

9. Raypak Digital Electronic Ignition Natural Gas Pool Heater

The Raypak Digital Electronic Ignition Pool Heater is a model that uses natural gas to produce heat. It comes with a microprocessor-controlled thermostat that you can set to your liking.

The unit also has a cabinet that is rust-resistant and non-corrosive to ensure that it lasts for decades. Besides, all its parts are non-corrosive to allow you to use under harsh weather conditions.

It also boasts of PolyTuf powder cover, polymer headers, as well as a copper-fin-tube heat exchanger. There is also a stainless steel tube sheet, burner tray, fire tile, and 2-inch CPVC water connections.


  • Comes with a lot of features
  • Non-corrosive model 
  • Easy to use


  • Hard to assemble 

10. Fibroheat FibroPool FH055 Pool Heater

Fiborheat FH055 Pool Heater is a model made of titanium material to ensure that it transfers maximum heat to the water. It comes with easy to disconnect piping of 1.5-inch and requires 17 Amps to function. 

The model is quite model as it has a digital display as well as a controller that let you see the setting with ease. One thing about this heater is the fact it’s US Department of Energy certified to be energy efficient.

You can rest assured that your electricity bill won’t go as high as using some other types of heaters.


  • Digital display 
  • Saves you energy
  • Works effectively


  • A bit costly 

11. Smartpool WWS421P Sunheater Solar Pool Heater

If you want a model that you can use for your above ground pool, then you should consider the Smartpool WWS421P Sunheater Solar Pool Heater. It keeps your facility warm using polypropylene heat collector.

One thing that you might love about this model is 80 sq. ft. of the panels, that doesn’t take much space when installing. You can use the unit to heat all above-ground facilities and be confident of getting the best results.

Besides, it is made of durable material to ensure that you get years of service.


  • An affordable product 
  • Doesn’t take much space
  • Lasts for a long time


  • Takes time to assemble 

Benefits of Swimming Pool Heaters

There are a lot of benefits that a pool heater can give you. They include:

  • Extend Swimming Season – Since you can control the temperature in your pool, you can easily continue to swim even when winter has set in. That is because you always get warm water to dive into and relax.
  • Increase Pool Value – A facility with a heater is more valuable than one without it. People will find such a spa to be more convenient and comfortable to swim throughout the year.
  • Convenience and Comfort – By using your heated pool, you can easily swim indoor as opposed to going to the public pool, where it is crowded. 
  • Minimal Operating Cost – Some pool heaters use solar-powered heaters which use renewable energy from the sun. 

Types of Pool Heaters 

Just as there are different types of pool products, there are different heaters on the market today. You should ensure that you choose the one that meets your needs.

Propane or Gas Pool Heaters 

These are the most common types of heaters out there and are used by many pool owners. They heat the pool faster than any other kind of heater and are affordable.

Besides, they last for about 15 years and are perfect for pools that are used daily. 


  • Very durable 
  • Can be used in all climates
  • Heats the water fast
  • Very affordable 


  • Gas can be expensive 
  • More installation work and cost 
  • Need gas supply 

Electric Pool Heaters 

These models take less space compared to other types of heaters and can easily be turned on/off. They use resistors to heat the water using electricity, and they are useful in warming the pool. 

Some models can last for about 15 years and can be used for spa, hot tubs, and small pools, where you won’t use much power.


  • Affordable when buying 
  • Easy to clean and small size
  • Lasts for a while 
  • Perfect for all-weather


  • High installation costs 
  • Hight operating costs 
  • Heat the water slowly 

Heat Pump Pool Heaters 

These are the most environmentally friendly heaters out there and are easy to install. Besides, they don’t require a lot of money when operating and use the air to heat the water.

They are the most durable models on the market today, lasting over two decades without having any problem.


  • Environment-friendly and clean
  • Ideal for large pools
  • Easy to use and efficient
  • Can cool and heat your pool


  • Quite expensive when buying
  • Require a temperature of 45 degrees F or higher

Solar Pool Heaters 

They are the most energy-efficient and greenest heaters on the shelves today and won’t attract operation cost. These units use the use to generate heat that can raise your water temperature. 

They can last for over 25 years without breaking.


  • Low maintenance heaters
  • Friendly to the environment  
  • Low operating cost 


  • High purchase and installation cost
  • Can destroy the roof
  • Hard to control the heat 

Final Words 

The best pool heaters can be useful products for warming your pool during the cold months and extend your swimming season during the winter. There are a lot of types, brands, and models of heaters that you can choose from, get the one that suits your need.

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