10 Best Electric Pool Heaters Buying Guide & Consumer Reports

Winter is the most favorite and happiest of all. The cool breezy mornings and the warm cozy nights are the charms of this season. But does this season mean you can’t continue your swimming sessions? No, not at all because we are here with a solution that can help you extend your swimming season.

An electric pool heater is the best and convenient way to keep the pool’s water warm and toasty. Unlike traditional pool heaters, they heat up the water quickly without any hassle. Hence to know about the Best electric pool heaters read our guide till the end.

Top 10 Best Electric Pool Heaters Reviews by 10 Consumers

We know it’s difficult to choose from a large variety of options, and for someone who has no or little knowledge about electric pool heaters, it is much more difficult. Therefore to assist you and to save some of your time, we have listed the top 10 Best Electric Pool Heaters. Have a look at our guide.

  1. Best overall: Ecosmart ECO 18 Electric Tankless Water Heater, with patented self-modulating technology
  2. Runner-Up: Hayward CSPAXI11 11 Kilowatt Electric Spa Heater
  3. Best for Small Pools: ZMM 240V 11KW Electric Pool Water Heater
  4. Best Lightweight Pool Heater: FibroPool FH 220 Swimming Pool Heater Heat Pump
  5. Best Thermostat: TOPCHANCES 3KW Electric Swimming Pool Heater Water Thermostat
  6. Best for In-ground Pools: FibroPool FH055 In-Ground Swimming Pool Heater
  7. Best Budget: Hayward HP21404T HeatPro In Ground 140,000 BTU Heat Pump
  8. Best Efficient Pool Heater: EcoSmart ECO 11 Electric Tankless Water Heater
  9. Best in Portability: TongBF 220V 3KW Automatic Electric Swimming Pool Thermostat SPA Heater Water
  10. Best for Spas and Above Ground Pools: Raypak 017122 240V Electric Spa Heater

1. Ecosmart ECO 18 Electric Tankless Water Heater, with patented self-modulating technology

Ecosmart ECO 18 Electric Tankless Water Heater, with patented self-modulating technology

Ecosmart is one of those brands whose main priority is the convenience of customers; that’s, they are at the top of our list. The Ecosmart pool heater is a perfect example of innovation. With its advanced technology and quality, this unit has the potential to provide you warm and toasty water.

Unlike traditional tank heaters, it possesses self-modulating technology that allows you to save up to 60% of your water heating costs. It comes with a digital control panel that allows the user to read and alter the water temperature.

The thing that makes it stand out in the market is its compact wall-mounted style, which provides more space than traditional tank heaters. Furthermore, this electric pool heater is easy to use and can supply 1.8 to 4.3 gallons-per-minute depending upon the flow rate of water.

Pros
  • Easy to access and install.
  • Provides endless hot water.
  • Compact and operates silently.
  • Provides hot water on demand with an unlimited supply.
Cons
  • May have a flimsy control knob.

2. Hayward CSPAXI11 11 Kilowatt Electric Spa Heater

Hayward CSPAXI11 11 Kilowatt Electric Spa Heater

The Hayward CSPAXI11 electric pool and spa heater is composed of stainless steel, which means that the stainless steel material makes the pool completely corrosion resistant. At a weight of 12 pounds, it is compact and lightweight. Despite such a small size, it possesses all the essential features, and due to this reason, it stands out as an exceptional and extraordinary unit in the market.

This electric pool heater provides you with endless hot water- thanks to its ability to raise the temperature of your spa or swimming pool even when the weather is extremely cold outside. One of the best features of Hayward electric heaters is that they are simple to use and easy to install.

With this pool heater, you don’t have to fear about the short circuit or electric shocks because it includes a safety sensor that prevents the heater from overheating.

Pros
  • Durable and corrosion-resistant.
  • Highly efficient.
  • Comes with a safety sensor to protect from electric shocks.
  • Chills off the pool’s water during day and night.
  • Easy to install.
Cons
  • May take a while to heat the swimming pool’s water.

3. ZMM 240V 11KW Electric Pool Water Heater

ZMM 240V 11KW Electric Pool Water Heater

If you are looking for an electric heater for small pools, then the ZMM 240V electric pool water heater might be the perfect fit for you. This compact pool heater is an ideal choice for pools of less than 7CBM. It features a stainless steel heating regulator and an electric heating tube that provides resistance against corrosion and weathering.

For short circuits, over-heating, dry fuel, and water flow protection, this amazing pool heater has built-in sensors that detect a problem or failure as soon as it occurs, giving you peace of mind that no dangerous incident can occur.

This electric pool water heater provides you a comfortable and cozy water environment by raising the temperature up to 10 degrees Fahrenheit. It is only suitable for less than 2000 gallon swimming pools.

Pros
  • Has an intelligent self-checking system to avoid failures.
  • Safe and reliable.
  • Perfect for small pools and spas.
  • Provides multiple protection from over current and overheating.
Cons
  • Maybe a little bit noisy.

4. FibroPool FH 220 Swimming Pool Heater Heat Pump

FibroPool FH 220 Swimming Pool Heater Heat Pump

Are you looking for an electric pool heater that is lightweight yet contains all the essential features to provide you a comfortable swimming environment? If yes, then the Fibropool FH 220 swimming pool heater heat pump is the answer to your problem.

With 20,000 Btu of warming capacity, this pool heater has the power to raise the temperature quickly, allowing you to extend the swimming season. Having a 4.85 COP rating, it is so far the best and most efficient unit in its class.

This pool heater is utilized for swimming pools up to 7500 gallons, above ground pools up to 18”, and different size spas and hot tubs. It has a 240 Volts- 60 HZ American voltage that means it consumes very little energy for its functioning. One of the remarkable features of this heat pump is that it is waterproof; hence it can withstand harsh weather conditions.

Pros
  • Is energy-efficient, so it saves a lot of energy as well as money.
  • Simple to install and use.
  • Operates quietly.
  • Durable and waterproof.
Cons
  • It May takes a while for initial heating.

5. TOPCHANCES 3KW Electric Swimming Pool Heater Water Thermostat

TOPCHANCES 3KW Electric Swimming Pool Heater Water Thermostat

The Topchances electric swimming pool thermostat is a perfect blend of power and innovation. It has the power to raise your pool water temperature to 39 degrees Celsius. At reaching the target temperature, this thermostat turns off automatically, and as soon as the temperature drops, it turns on again.

In addition to that, if the temperature exceeds 40 degrees Celsius, the thermostat switch automatically shuts down, thus keeping the maximum temperature of the water to be 39 degrees Celsius or 40 degrees Celsius. Consequently, the Topchance water heater prevents overheating and any damage.

Whenever there is a chance of any failure or fault, this electric water heater, with its advanced sensors, starts indicating the user so that the problem can be solved on time.

Pros
  • Has an advanced self-monitoring system to detect faults.
  • Reliable and easy to assemble.
  • Possesses automatic thermostat button.
  • High quality and sturdy.
Cons
  • May not work well in large swimming pools.

6. FibroPool FH055 In-Ground Swimming Pool Heater

FibroPool FH055 In-Ground Swimming Pool Heater

If you are looking for an electric pool heater for an in-ground pool, then the Fibropool FH055 swimming pool heater is a suitable unit. It has a power output of 55,000 BTU, which makes it an ideal fit to take the chill off from 21’ above ground pools or 10,000 galloons in-ground pools. The digital control board allows the user to have full access to the heater to adjust the temperature according to his desire.

With an efficiency of 5.03 COP, it consumes very little energy compared to other pool heaters- thanks to the titanium heat exchanger and pressure compressor that maximize the efficiency and performance of this electric pool heater.

Besides all these features, this electric pool heater is weatherproof; therefore, it can combat severe weather conditions.

Pros
  • Operates quietly.
  • Has an on-off flow switch that automatically turns the unit on and off when needed.
  • Compact and easy to set up.
  • Highly energy efficient, so it consumes less energy.
Cons
  • Some screws may be flimsy.

7. Hayward HP21404T HeatPro In Ground 140,000 BTU Heat Pump

Hayward HP21404T HeatPro In Ground 140,000 BTU Heat Pump

If saving money is your priority, then the Hayward HP21404T electric pool heater is the best buck for your pocket because it saves a lot of money as well as energy. With a power output of 140,000 BTU, this pool heater has the potential to heat up the water of the swimming pool in no time.

This highly efficient and reliable pool heater has earned a lot of positive word of mouth- thanks to the titanium heat exchangers that adds these features to this unit. Rust and corrosion are no big deal with this unit because its UV resistant body protects from damage.

The loud sound of pool heaters disturbs the whole pool party and irritates everyone. With this pool heater; you can enjoy your parties calmly because it comes with an acoustic compressor and fan blades that provide noise cancellation, allowing it to operate quietly.

Pros
  • Has low working cost.
  • Consumes less amount of electricity.
  • Has an acoustic compressor for minimizing noise.
  • Stops as soon as it detects no water flow.
Cons
  • May not work in big pools.

8. EcoSmart ECO 11 Electric Tankless Water Heater

EcoSmart ECO 11 Electric Tankless Water Heater

Ecosmart has never disappointed their customer; that’s why we have added another product of this brand: the Ecosmart Eco 11 electric tankless water heater. It is a 13-kilowatt electric water heater and offers quick heating of water between 1.3 and 3.1 gallons. 

The whole unit is composed of stainless steel; therefore, it is highly durable and provides full protection against erosion and weathering.

This water heating system comes with a digital temperature control panel, which provides the user maximum control over the unit and ensures to produce warm and toasty water. Moreover, it is highly energy-efficient and saves up to 60% of water heating costs.

Unlike traditional tank heaters, it does not store water and heats the water only when it passes through it. And when there is no water in the pipe, the heater turns off.

Pros
  • Compact and saves a lot of space.
  • Easy to assemble and setup.
  • Possesses self-modulating technology to conserve energy.
  • Provides endless hot and toasty water.
Cons
  • In case this model is not fitted properly, it may start to leak from the sides.

9. TongBF 220V 3KW Automatic Electric Swimming Pool Thermostat SPA Heater Water

TongBF 220V 3KW Automatic Electric Swimming Pool Thermostat SPA Heater Water

Are you looking for an electric pool heater that is handy and portable? The TongBF electric swimming pool water heater is a suitable choice for you. Whether you have a hot tub, mini-spa, or a small pool, this 3KW thermostat will work efficiently with all of these to provide you a comfortable and warm environment.

It comes with an automatic thermostat function that automatically turns off the unit as soon as the preset temperature is attained. When the temperature drops, the thermostat automatically turns on and starts to warm up the water. Furthermore, operating this water heater is no rocket science; just rotate the knob in the clockwise direction to switch it on. Once the indicator lights lit up, it means the thermostat has started to heat up the water.

Pros
  • Has automatic safety on/off button to avoid overheating.
  • Portable and lightweight.
  • Works great for small pools and spas.
  • Easy to operate.
Cons
  • May not heat up the water in large pools.

10. Raypak 017122 240V Electric Spa Heater

Raypak 017122 240V Electric Spa Heater

For someone who wants an electric pool heater for above ground pools, the Raypak 017122 electric water heater is the best decision. With its titanium heating material and stainless steel, this extraordinary pool heater can combat corrosion and extreme weather conditions.

Its compact design and advanced digital controls make it easy to use and control for the user. It has built-in sensors that eradicate noise and regulates the flow of water to keep it at a minimum rate of 15 Gallons per Minute. This electric pool heater is energy-efficient and uses only the amount of energy necessary to reach the target temperature.

Pros
  • Reliable and energy-efficient.
  • Easy to set up.
  • Durable.
  • Corrosion-resistant.
Cons
  • May not work in big in-ground pools.

Buyer’s Guide – What to Consider When Buying an Electric Pool Heater

So far, you have got the idea of the best pool heaters and their features, but only this information is not sufficient to buy a pool heater because to get yourself the best product, you need to know much more than that. That’s why here we have listed some of the factors that you must consider while buying a pool heater.

  • Size of the pool

The size of the pool determines the ideal size of the heater for your pool. These heaters come in a variety of sizes up to 500,000 BTU. Therefore get yourself a pool heater that is according to the size of your pool. For small pools, an electric heater with a power output ranging between 200,000 BTU to 300,000 BTU would be perfect.

  • The efficiency of the heater

The efficiency of an electric pool heater is an ultimate parameter to determine its performance. The whole functioning of the heater depends on it. Highly efficient pool heaters are more energetic, powerful, and faster than heaters with low efficiency.

  • Digital control board

A digital control board is a must-have for an electric pool heater because this panel allows you to read out and change the temperature settings. With this panel, you can set the temperature to the desired setting, and once it reaches the target temperature, it automatically turns off. If you buy a heater without the control panel, then you will have to buy a thermometer to check the water’s temperature

  • The material of the heater

These electric pool heaters come in a variety of materials like plastic, steel, aluminum, or stainless steel. However, in contrast to other materials, pool heaters composed of stainless steel are more durable and sturdy.

Frequently asked questions (FAQS) about electric pool heaters

We know at this point your mind is filled with a lot of different types of questions, and we highly appreciate that because it’s better to think before than to look back and regret. Therefore for your convenience and assistance, we have answered some of the common questions that come to the mind of almost all customers.

Are electric pool heaters eco-friendly?

Unlike gas heaters, electric pool heaters are highly eco-friendly. They do not emit CO2 or any other harmful gas in the environment. That’s why they are safe to use and do not cause environmental damage.

Are electric pool heaters better than gas pool heaters?

Absolutely yes, these electric-powered pool heaters run on less energy as compared to gas heaters. Moreover, they are more efficient and reliable than other pool heaters.

Are electric pool heaters safe to use?

Yes, electric pool heaters are totally safe to use because they come with advanced technology that prevents electric shocks.

Are electric pool heaters safe to use?

Yes, electric pool heaters are totally safe to use because they come with advanced technology that prevents electric shocks.

How long can pool heaters last?

The average life span for an electric heater is 7-10 years. However, with proper maintenance and care, you can further increase its life span.

Do electric heat pumps can also cool the water?

Some electric pool heaters have the ability to cool the pool water. This feature can be very useful during summers when the scorching heat of the sun warms the water to the extent where you can’t even put your feet into it.

Our Final verdict

Now it’s time, to sum up the discussion. Having an electric pool heater will allow you to enjoy your swimming sessions to the full in winter. It is the easiest way to heat up the water in no time. No effort is required, just turn on the heater, and it will do the rest of the work on its own, giving you the perk to sit back and relax in the warm and toasty water.

Out of all the options that we have provided you in this article, we would recommend you to go for “Ecosmart ECO 18 Electric Tankless Water Heater, with patented self-modulating technology” or “Hayward CSPAXI11 11 Kilowatt Electric Spa Heater” because of their advanced technology, powerful heating capacity, and reliability. So get yourself an electric pool heater and enjoy winter pool parties with your friends and family.

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