Best Electric Pool Heaters for Inground Pools

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Cold weather spoils the fun as it is challenging to swim in freezing waters. Pool heaters come in handy in seeing to it that swimming pools remain relevant during the cold season.

Thanks to these systems, you can take deep into a warm pool when it’s freezing. You can choose from various options; you can either pick an electric, gas, or solar pool heater. 

In this piece, we will focus on the best pool heating solutions for in-ground pools. There is a wide range of items to choose from in this category in the market; today, we will take you through some of the best pool water heaters available. Here we go.

Best Electric Pool Heaters for Inground Pools

1. FibroPool FH055 In-Ground Swimming Pool Heater

FibroPool FH055 in-ground swimming pool heater handles up to 15000 gallons of water. It’s ideal for both in-ground and above ground pools.

The manufacturer builds the heat with a reliable titanium heat exchanger and a Copeland high-pressure differential compressor running on a twelve gauge, 220-volt circuit.

The heater is designed with environment-friendly features boasts of energy efficiency. FH055 heats your swimming pool to 40°F. It consumes 25% less energy less than any other pool heater in the market today. The heater is built with long-lasting metal covered with an enamel coat, making it durable.

Manufacturer’s specs

• Dimensions: 48 x 20 x 24 inches.
• Weight: 120 pounds.
• Model: FH 055.
• Capacity: up to 10000 gallons.
• Power: 220 volt

What We Like

• Energy efficiency, the heater consumes 25% less energy.
• It easy to install.
• The heater has an excellent output of around 55kBTUs hence commendable of an average pool.
• Slim fit footprint; hence it does not require large storage space.

What We Don’t Like

• Relatively expensive when compared to other pool heaters in the market.
• It can be installed correctly through the SK21 kit, and you are required to buy it separately. 

Summary

FibroPool FH055 combines energy efficiency and environment-friendly features to ensure that you can enjoy swimming during the freezing weather.

2. FibroPool FH 220 Swimming Pool Heater Heat Pump

FibroPool FH 220 is a compact and lightweight swimming pool heater designed for small pools and spas. It has an output capability of 20,000BTU per hour and does not disappoint when it comes to efficiency as it ranks as one of the best among its peers with 4.85 COP.

The manufacturer designs the heat pump with 240 Volts- 60 H.Z. power capacity making the system energy efficient therefore ideal for an average household. FibroPool’s F.H. 220can heat up to 7500 gallons of swimming water and be used for bathtubs taking less than 24 hours to heat the water.

It is designed with durable materials capable of sustaining severe weather and produces less than 55 dB, considered conversational noise.

Manufacturer’s specs

• Dimensions: 35.2 x 21.2 x 13.33 inches.
• Weight: 77.8 pounds.
• ASIN: B077V1QG1H.
• Heating Capacity: 20,000 Btu per hour.
• Power: 240 Volts- 60 H.Z.
• Handling Capacity: up to 7500.
• C.O.P.: 4.85.

What We Like

• The system has unusual adjustable digital settings.
• Its enamel-coated case assures durability.
• Easy to set up and operate.
• Efficient and energy effective. 
• The system is durable and is built for heavy-duty.
• Can handle all pool sizes.

What We Don’t Like

Comes without an installation guide or manual.

Summary

FibroPool FH 220 swimming pool heater heat pump is brilliant when it comes to efficiency as it utilizes its amazing energy consumption features.

3. Hayward CSPAXI11 11 Kilowatt Electric Spa Heater

The Hayward CSPAXI11 11 kilowatt electric spa heater comes with unique features. Its 304 stainless steel tank and threaded head are uniquely designed to ensure that it is durable and efficient throughout the cold season. For effective performance, the spa heater incorporates a safety sensor electric heating section with easily accessible controls.

CSPAXI11 requires little storage spaces coming with simple installation instructions, giving spa owners an easy time when setting it up. The heater can heat between 1000 to 2500 gallons of water in spas and hot tubs. Its heating rate is at about 40°F per hour.

It takes four to six hours for the system to fully heat the spa, and you need a constant and reliable power supply with up to 240 volt backup for efficiency.

Manufacturer’s specs

• Size: 11-Kilowatt.
• Weight: 12.17 pounds.
• Model: CSPAXI11.
• ASIN: B002EL40RW.
• Handling capacity: 1000 to 2500 gallons.

What We Like

• It comes with twelve months limited warranty from its manufacturer.
• Easy to set up.
• Low noise level.
• Doesn’t need huge storage space.
• It is built with durable materials.
• The system is portable, giving you an easy time when moving it.

What We Don’t Like

• It’s not designed for large spas and pools.

Summary

Hayward CSPAXI11 11 kilowatt electric spa heater is a fantastic heating tool incorporating brilliant features with a simple control manual.

4. Smart Pool S601 Pool Solar Heaters, Pack of 1, Black

Smart Pool S601 allows the pool owner to warm their swimming pools through a direct flow system with a polypropylene heat collector. The system connects to the pool through its eco-friendly purpose-built tubes. It takes 24 hours for the heater to heat the pool, but it can quickly change the temperature in a few hours.

This system has the capabilities of heating pools of different sizes. Smart Pool S601 features 4 feet wide x 20 feet long panel assuring efficiency in the pool heating process. This heater is ideal for both in-ground and above swimming pools.

Manufacturer’s specs

• Manufacturer: Esse Sales, Inc.
• Weight: 34 pounds.
• Dimensions: 240 x 54 x 2 inches.
• ASIN: B004VU98AS.
• Colour: Black.
• Temperature: 6-10°F.

What We Like

• The system is environmentally friendly.
• It can cater to both in-ground and above ground swimming pools.
• Incorporates unique features and connectors.
• The heating process takes a shorter time.
• It is cost-effective and efficient.

What We Don’t Like

• Its huge panels consume a lot of space.
• The installation process might be difficult for first-time users.
• Requires an installation kit; sold separately.

Summary

Smart Pool S601 Pool Solar Heater is worth the money as it is effective and has incredible performance thanks to its unique features.

5. Happybuy 11KW 220V Electric Pool Heater

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Happybuy 11KW 220V electric pool heater provides the best heating solutions for small pools and spas as it can heat up to 1300 gallons of water. It comes with a reliable heater thermostat with 11 K.W. power and A.C. 220-240V.  The thermostat features a temperature sensor and controller.

The manual reset temperature control switch dramatically reduces the system once the temperatures hit 60℃ or above. Users are advised to check the circulation system before turning on the pool heater and avoid disassembling when connected to the power supply.

Manufacturer’s specs

• Net Weight: 16.5lbs.
• Measurements: 4.7 x22 x14.9.
• Power: 11 K.W.
• Manual reset switch.
• ASIN: B07XC5486L
• Thermostat control.
• Handling capacity: up to 1300 gallons.

What We Like

• It is lightweight hence can be moved easily.
• Easy to install and operate. 
• Ideal for spas and small pools as it incorporates safety shutoff features.
• The system is efficient and cost-effective.

What We Don’t Like

• Its metallic parts are prone to compatibility challenges.
• It is not ideal for large pools as it can only heat up to 1300 gallons.
• Not ideal for outdoor use.

Summary

Designed exclusively for small pools and spas, Happybuy 11KW 220V electric pool heater offers a great heating solution allowing swimming enthusiasts to have fun when it’s cold.

6. Hayward W3HP21004T Pool Heat Pump, 95,000 BTU

Hayward W3HP21004T pool heat pump comes with a reverse flow titanium heat exchanger, making it efficient and reliable in its functionality.  It features an Ultra Gold evaporator, acoustic compressor cover, and a profiled fan blade. The pump is built for maximum heat transfer and can transmit up to 90,000 BTU; hence can handle medium swimming pools.

The heat pump has durable UV-resistant panels that can repel rust and damaging risks, therefore, increasing its lifespan and durability. W3HP21004T comes with a 2in x 2 1/2in CPVC Union plumbing connections that can handle a water flow rate of 30- 75 with a minimum overload protection of up to 50.

This item comes with electric temperature control with 5.7 in matters Coefficient of Performance (C.O.P.), making it effective in the pool heating process.

Manufacturer’s specs

• Weight: 270 pounds.
• Dimensions: 38 x 29 x 41 inches.
• ASIN: B07SQ2M3BM.
• Capacity: 90,000 BTU.
• Model: W3HP21004T.

What We Like

• The system is durable as the heater features the Ultra-Gold evaporator.
• Reduced sound levels thanks to the scroll compressor allow swimmers to use the pool while comfortable.
• It comes with a reliable titanium heat exchanger.
• The system is built with stainless steel, which prevents it from corrosion.
• Comes with easy installation instructions and user-friendly controls.

What We Don’t Like

• Complaints about their consumer policies.

Summary

Hayward W3HP21004T incorporates stain-less steel and titanium heat exchangers and other unique features, making it efficient and reliable in its functionality.

7. Pentair 460735 MasterTemp 300K BTU Propane Gas High

Pentair 460735 MasterTemp is a high-performance pool heater with an output capability of up to 300000BTU using propane gas energy. This model incorporates energy-efficient features and can quickly heat a large swimming pool within the shortest time possible.

It comes with a short installation manual giving you an easy time when setting it up. Measuring 36 by 30 by 25, this heating system outperforms its peers in matters emission as it emits low NOx. Pentair 460735 automatically initiates the manual gas shutoff to regulate the heat.

Manufacturer’s specs

• ASIN: B004VU87SW
• Dimensions: 36 x 25 x 30 inches.
• Net Weight: 133 pounds.
• Model: 460735.
• Capacity: 300000 BTU

What We Like

• The noise levels are low as it operates quietly.
• Installation is straightforward.
• It takes a short time to heat the pool.
• Ideal for large pools.
• It comes with energy-efficient features.

What We Don’t Like

• Not ideal for small swimming pools and spas.

Summary

Pentair 460735 MasterTemp 300K B.T.U propane gas high offers competitive heating solutions among its peers, allowing you to heat your large swimming platform.

8. Hayward HP21404T HeatPro Titanium

Hayward’s HP21404T HeatPro Titanium heater is another brilliant pool heating equipment worth every buyer’s attention. The heater has an output capacity of up to 140,000 BTU and comes with excellent operation features and ideal for large pools.

HP21404T HeatPro is durable is built with Ultra-Gold corrosion-resistant evaporator and UV-resistant panels. Hayward designs this pool heating system in a way that sees to it that the equipment takes less space. Capable of heating in-ground pools with up to 25 degrees, HeatPro comes with easy access to a digital L.E.D control panel.

The system incorporates a profiled fan blade acoustic compressor cover assuring pool owners efficiency.

Manufacturer’s specs

• Dimensions: 32 x 43 x 40 inches. 
• Weight: 287 pounds.
• Material: stainless steel.
• Output:  140,000 BTU.
• Model: HP21404T

What We Like

• Comfortable setting up process.
• The noise levels are low.
• It has a great handling capacity; hence it is efficient.
• Come with a reliable titanium heat exchange capable of quickly raising the water temperature during winter.

What We Don’t Like

• Operation cost is a bit expensive.
• Not suitable for small pools.

Summary

Hayward HP21404T HeatPro titanium is a powerful pool heater for large pool owners, and it is only worth every coin and assures swimmers fun throughout the cold season.

9. XtremepowerUS Inground/Above Ground Swimming Pool Solar Panel Heating System

If you are looking for efficient and cost-effective pool heating solutions, then worry no more. XtremepowerUS swimming pool solar panel heating system offers brilliant heating solutions saving you huge monthly electricity cost. It comes with an easy installation manual making you comfortable while setting it up.

XtremepowerUS pool solar panel heating system is uniquely designed for both in-ground and above-ground swimming platforms and spas. It can heat the pool for a short time, increasing its temperature between 10 to 15 degrees.

It comes with 2ft by 20ft panels, and its performance depends on the location. The system works perfectly with small and medium swimming pools.

Manufacturer’s specs

• Product’s measurements: 240 x 28 x 3 inches
• Weight: 15 pounds.
• ASIN: B00BFGG6CY.

What We Like

• Its installation process is straightforward.
• The heater is affordable, and its operation is cost-effective.
• It takes a short period to increase the swimming pool’s temperature up to 15 degrees.
• Efficient for both in-ground and above-ground platforms.

What We Don’t Like

• The system requires a diverter kit.
• Not ideal for huge pools, and you might need to buy two heating systems when your swimming pool is large.

Summary

Operating and maintaining this heating system is pocket-friendly as it applies an environmentally friendly approach to ensuring that the swimming platform is warm for swimmers to enjoy.

10. Jandy Pro Series JXi 400K B.T.U. Low-NOx Natural Gas Swimming

Jandy Pro Series JXi outperforms its peers’ inefficiency matters as it can heat the poor using 290% less energy and faster than its competitors. The system features 83% thermal energy efficiency and lighter and smaller emitting lesser NOx than its peers.

The eco-friendly pool and spa heater has an output capacity of 400000 BTU per hour, meaning it is ideal for large swimming pools. It comes with a user-friendly digital control panel giving you an epic navigation experience.  

Though the installation is straightforward, it might be challenging for first-timers: you may seek the services of a technician. It comes with a blower-driven gas and air mix with copper fin heat exchanger tube improving its functionality.

Manufacturer’s specs

• Dimensions; 40 x 24 x 28.5 inches.
• Weight: 151 pounds.
• Output: 400000 BTU.
• Max Altitude: 10000 FT.
• Voltage: 120 -240 V
• Heater Type: Natural Gas.
• Warranty: 1 Year.

What We Like

• It comes with an ultra-compact and lightweight design; hence occupies a small space and can be easily moved.
• Feature an easy to access control panel.
• The installation process is straightforward.
• Offers the best retrofit solutions.
• Energy efficiency.
• Low NOx emissions.

What We Don’t Like

• Its installation might be somehow challenging for first-time users.

Summary

Jandy Pro Series JXi comes with amazing features incorporating effective and unique heating mechanisms.

Buying Guide.

There are many pool heaters in the market today. You need to make sure you settle for one that will; effectively work for keeping in mind the cost of maintenance and operation. It makes sense to settle for a pool heater that can handle your pool water capacity. 

Picking a heater that is easy to operate gives makes you have an easy time running it. So how does one settle for the right pool heater? 

Things to look for when choosing a pool heater.

Before you settle on a particular, there are several things to keep in mind. These factors will make you settle for the best pool heater and ensure you are fully satisfied. What do you consider while buying a pool heater?

Here are a few things to keep in mind while choosing a pool heater:

1.Energy efficiency.

The cost of energy skyrockets now and then, and it is important to consider the energy consumption level of any equipment you buy, not just a pool heater. You can pick from electric, gas, or solar pool heaters. Solar heaters are more energy-efficient, and the maintenance cost is low when compared to others.

2. Size of the pool heater.

Will it suit your pool? Well, before buying a pool heater, you have to check whether it has the capacity to handle your pool size. For instance, if your pool is 15 x 30, then 150,000 BTUs is ideal for your heating needs.

3. Cost of pool Heater

It is essential to consider the cost of operation and maintenance of a pool heater before settling for one. They come with a different operating cost, and it depends on the type of energy the gadget uses. You can settle on the one that suits your monthly budget.

4. Solar vs. Gas vs Electric.

Pool heaters are designed for different energy use. Before settling for the one, you need to know whether it uses solar, gas, or electricity. As mentioned earlier, the heater’s type of energy will determine the cost of operation.

Solar pool heaters are cheaper when compared to gas and electric heaters. The operation cost of electric hearts is high while compared to other types of pool heaters.

5. Propane Gas vs  Natural Gas.

In case you decide to pick a gas pool heater, you need to know that they are two types of gas heaters: propane gas pool heater and other one using natural gas. It is essential to note that a natural gas pool heater consumes double the propane gas heater’s energy. 

F.A.Q.s 

What is the most energy-efficient pool heater?

A heat pump pool heater is an efficient way to heat your pool in a mild climate. You can choose to use a solar water heater as their operating cost is low.

What size pool heater do I need for my pool?

You can pick an effective heater depending on the size of your pool. Heaters come with different capacities; therefore, it makes picking the one that can handle your pool size.

How much does a pool heater increase the electric bill?

An average 100,000 BTU heat pump can take up to 5 kilowatts per hour, meaning that it will cost you around $13 per hour while running this equipment,

Which is the cheapest way to heat your swimming pool?

You might consider using a solar pool heater if you are looking for cheap but effective heating equipment for your pool as their maintenance cost is low.

What is the monthly cost of heating a swimming pool?

It depends on the type of heater you use. It will cost you $175-$600 for electric heaters, $200-$400 for gas heaters, $120-$200 while using a heat pump, and 0-$10 per month for using a solar heater.

How long does it take to heat a pool?

An average heater takes 24 and 72 hours to heat a pool at 20°F or 11°C.

Should a gas pool heater be left on all the time?

Climate affects the heating of the pool, and it only makes sense to turn on the heater when the weather allows; otherwise, it will be a waste of resources to leave your heater on when it’s sunny.

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