The Best Electric Pool Heater

The freezing temperature of pools during winter prevents often prevents a good swim in the pool. With so many people asking what is the best electric pool heater on the market? We thought to bring you the top products we could find after a series of market survey and research. Come along as we discover them together, shall we?

Top Products on the Market

The best products on the market include the following:

1. FibroPool FH120 Above Ground Swimming Pool Heat Pump

This product has an output of 20,000 BTU’s and is rated to heat above ground pools up to 18-inch round or 12-inch x 24-inch oval. It can also be used for in-ground pool as it heats up to 7,500 gallons of water. It has a sleek profile with a weatherproof casing that is designed to accept different placement options. It features easy side access which makes it easy to access standard fittings thereby minimizing installation time.

Also, we like that it’s a clean, electric heater that reduces the harmful environmental effect of the more traditional gas-powered heat pumps. It is energy-efficient, operating at an average of 16 cents per hour.

It helps you extend your swimming time as it ensures you will be comfortable and have the ideal temperature of 40o. With an easy-set digital panel control and optional extension add-on, it enables you to adjust it right from your home. Lastly, we like that it has a rugged design, hence it can withstand any element for a long time.


  • It is energy efficient
  • It is durable and long-lasting


  • It does feature an installation manual

2. FibroPool FH55 In Ground Swimming Pool Heater

It has an output of 55,000 BTU and can heat up to 10,000 gallons of water. It has an all-metal, enamel-coated casing that is built to be durable even when it’s exposed to harsh weather conditions or a long time while still protecting its inner elements.

It features a digital display which makes it easy to adjust your setting as well as installation; the installation takes only about 30 minutes, although it will require 220v of electricity and a standard 110v circuit.

It is rated by the US Department of Energy as a top energy-efficient system with 25 cents per hour. It is clean, efficient, has a sleek and rugged design.


  • It can withstand harsh weather conditions for a long time 
  • Installation is smooth, easy and swift


  • It only raises water a few degrees above air temperature

3. Fibropool FH 220 Swimming Pool Heat Pump

It pumps with a Coefficient of Performance of 4.85 stands and is ideal for small pools of 18 feet diameter for above ground pool and also spas with similar size, heating a maximum of 7,500 gallons of water. 

It is compact and lightweight with 20,000 BTU/hr. heat pumps. It operates at 220 volts-60HZ USA voltage heat and cool modes, the package comes with union connectors as well as hose adapters along with 1 ½ -inches PVC plumbing. Weighing 100 lbs., the hoses measure 1 ½-inch or 1 ¼-inch. It is ideal for all hot tubs.


  • It has a low operating cost
  • It has convenient operations and connections


  • Only ideal for small pools

4. HappyBuy 11KW 220V Electric Pool Heater Swimming Pool Electric Heater

This pool heater is ideal for thermostats as it has a power of 11KW, a volt that ranges between 220 to 240, a current of 50A and aluminum-coated plate. It has a control system that constantly monitors the running status of heater parts and in the case of an incident or default, it displays a hint message. However, this feature must be wired by the user.

It features a manual reset temperature control switch which cuts off the system once there is a power surge thereby preserving the heater and saving it from damage. 

It also has wide use as it can be used for a pool with less than 5CBM, a massage pool and even hot spring to heat the water and keep it warm for a long time. It can also assist heat pumps during heating.


  • It has a versatile use
  • It features an efficient temperature control switch


  • The quality could be improved upon

5. Hayward CSPAXI11 11 Kilowatt Electric Spa Heater

The product features all the sophisticated qualities as well as capabilities that make for a good pool heater. It is ideal for compact space as it fits quite well into it, it is also easy to install and service. 

It is made with a 304 stainless steel tank, a 304 stainless steel threaded head and a safety sensor electric heating element. Also, since it’s made of a service-ease design, it gives it easy access to the internal control of the heater.

We like that it has an indicator light which points out when there is a problem, it is UPS shippable and can work well for spa skirts and steps.


  • It features an indicator light
  • Inner control is easy to access


  • The keypad requires constant maintenance

FAQs on Best Electric Pool Heater

Q: What Size of Electric Pool Heater Do I Need?

A: There are varying preferences with regards to the size of an electric pool heater. The size to use depends on how frequent a pool is used, the purpose as well as other factors. Typically, the most powerful electric pool heater is around 140, 000 BTUs.

Q: How to Wire an Electric Pool Heater?

A: To wire an electric pool heater to take the following steps:

  • Choose the heater location
  • Cut the PVC pipe
  • Connect the PVC pipe to the heater
  • Complete the installation

Q: How Much is an Electric Pool Heater?

A: Several factors affect the cost of an electric pool heater. However, on average, an electric pool heater costs about $100 to $200 to operate per month


Even through the freezing days of winter, the best electric pool heater ensures you have a pleasurable time in your pool for a long time to come.

Having reviewed the best products we could find on the market, you no longer have an excuse to stay indoors when you could be having the time of your life. So, go ahead and make your choice.

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