Best Electric Swimming Pool Heaters in 2025

CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again

SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs

EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work

【ETL & UL CERTIFIED SPACE HEATER】This portable space heater is made from flame-retardant materials. With ETL and UL certification, this space heater is safe and reliable. The ceramic heater has OVERHEAT and TIP-OVER protection, it will automatically shut off if the temperature exceeds the limit value or is knocked over accidentally and back to work once it gets to a safe temperature inside or stands safely again.

【2 SECONDS WARM-UP】With PTC ceramic heating technology, 1500W output, and high-speed fan, this electric heater put out tons of heater to heat up 108 sq. ft. in seconds and produces no red light or flame. Angled legs make heat distribution wider and allow air to blow upwards. It's quiet enough to use in a bedroom while sleeping. Your ideal personal heater to keep your room cozy and get good sleep through the harsh winter.

【ADJUSTABLE THERMOSTAT】This small space heater features an adjustable thermostat control dial, easily preset the thermostat within the range of 41°F - 95°F. Always keep your room temperature at the most optimal level and reduce your power consumption. The electric heater is perfect for living rooms, bedrooms, studies, offices, garages, etc.

EASY TO INSTALL: Full SunQuest panel systems are available to satisfy all your needs. Placed on the Ground, these units include everything you need to connect to your existing pool hoses. More cost-effective than an Electric or Gas heater

EXTENDED SWIMMING: A solar pool heater sized and installed correctly, will raise your pool water 10 ℉, keeping your pool warm and extending your swimming season. Use a Liquid Solar Blanket or cover to maintain the heat for optimal results

DURABLE AND RELIABLE: Premium quality, superior technology, high-rated performance, and second-to-none reliability. They simply work - and keep on working

[Immediate heating] (Do not touch water during use to prevent electric shock!!!)The bathtub heater has a rated power of 1500W, which can quickly heat 5 gallons of water. The outer shell is made of high-quality stainless steel and has a porous design with good thermal conductivity.Note: Our products are not suitable for heating swimming pools, only suitable for heating bottled water or bathtubs.

[Safe and reliable] The heater has an automatic power-off function. When the water temperature reaches about 120~160 degrees Fahrenheit, the water heater will automatically stop heating, effectively avoiding fire.Notice: Do not touch water during use to prevent electric shock!The probe of the thermometer needs to be placed at the top of the water instead of the bottom, so that the temperature can be displayed normally.

[Easy operation] Just immerse the heater completely in the water. It is best to lay the heater horizontally at the bottom of the bathtub. Be careful not to touch the water with your hands when working. If the thermometer does not work, please contact customer service for replacement.

<p>☀[Heat water faster]: 2000W high-power immersion water heater can make 5 gallons of water warm in a few minutes. While camping can bring this portable bucket heater and can enjooy shower even outside .In the cold winter, you no longer need to wait for a long time for warm water. When you get an above grond pool heater , you can enjoy hot water in just a few minutes.</p>

❀[Safety Protection] This immersed portable hot tub heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust,effectively preventing burns. Bathtub heater comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water.Be sure the water is enough then plug it .

♥ [Easy to Use] Just put the US Version pool warmer for inflatables into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the small pool above ground inflatable pool please kindly check the pool size before purchasing.

【2000W Ultra Fast Heating】2000W immersion water heater heats up faster. When you're out camping or traveling, the high-power travel bucket water heater can quickly heat up 5 gallons of water in minutes, saving you time and power consumption.Faster than 1500W immersion water heater.

【Easy to Operate】The design of the submersible portable water heater is simple. Small size, easy to carry when you travel, (How to use: Please make sure the immersion heater is fully immersed in water, and then connect the 125v/110v power supply. Equipped with a digital LCD thermometer, after heating for a period of time, put the probe into the water to test the water temperature.)

【Upgrade Design】2000W High power Immersion heater adopts a stainless steel protective shell, with a solid structure, high bending strength, and very safe. Below the protective hole, the heat is released faster. The bottom drainage design adopts high-temperature and wear-resistant material to drain to prevent accidental injury.

🛁Double Safety Protection: According to customer demand, we have upgraded the electric heater with built-in temperature control and fuse. When the water temperature reaches a certain temperature automatically stop heating and maintain the temperature. The fuse can cut off the power to avoid fire, providing you with double safety protection and enjoy a comfortable soak at home. ⚠️Notes: The heater CANNOT be used with people/animals in the water.

🛁Fast Heating: 1500W high power fast immersion water heater can heat 5 gallons of ROOM TEMPERATURE WATER in minutes, saving energy and money. If you want to heat up for a shorter time, you can use 2 water heaters at the same time, but be careful NOT to use them on the SAME OUTLET. The heating time will be little longer in cold weather. We recommend a maximum use time of 3 hours. And this immersion heater is ONLY for WATER HEATING.

🛁Simple Operation: Immersion water heater is easy to use, make sure the immersion water heater is fully immersed in water and the water level is sufficient before powering it on. Please do NOT touch water during use. If you do need to touch water, make sure to unplug the power first. You can also use the thermometer probe to measure the water tempetature, simply place it in the water.

☀[Heat water faster]: 1500W high-power immersion water heater can make 5 gallons of water warm in a few minutes. While camping can bring this portable bucket heater and can enjooy shower even outside .In the cold winter, you no longer need to wait for a long time for warm water. When you get an above grond pool heater , you can enjoy hot water in just a few minutes.

❀[Safety Protection] This UL Certified immersed portable hot tub heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust,effectively preventing burns. Bathtub heater comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water

♥ [Easy to Use] Just put the US Version pool warmer for inflatables into the water and connect it to power supply without much fuss.. Please note that the heater must be completely immersed in water during use. Through water temperature measurement, you can base on temperature. Note: It is recommended that the continuous use of the tap water heater should not exceed 3 hours.If heat the small pool above ground inflatable pool please kindly check the pool size before purchasing.

Double Safety Protection: According to customer demand, we have upgraded the electric pool heater with built-in thermostat control and fuse. When the water temperature reaches a certain temperature automatically stop heating and maintain the temperature. The fuse can cut off the power to avoid fire, providing you with double safety protection and enjoy a comfortable soak at home.

Fast Heating: 1500W high power fast pool electric heater can heat 5 gallons of water in minutes, saving energy and money. The upgraded of the water heater can bring a better experience and enable small children to play freely in a inground swimming pool free from cold water.

Anti-scalding&Corrosion Resistance: The swimming pool heater with corrosion resistance stainless steel protective guard can effectively prevent the heating element from directly contacting the human body, both sides are fixed with mechanical and AB glue, which has strong sealing and is safer. Strong corrosion resistance, can be used for a long time, for you to solve the trouble of no hot water.

SOLAR DOME POOL HEATING SOLAR SYSTEM: Easy to install with NO gas or electric connections! Heat your pool water the GREEN way using solar energy. Add weeks to your season with free energy from the sun! Multiple collectors can be connected in series to increase heating efficiency. Each dome can raise pool temps up to 10 degrees in approximately seven days. Dimensions: 28" L x 28" W x 12" H. Bypass kit REQUIRED for hooking up two or more heaters or pools that have a 1 HP or larger pump.

ABOVE GROUND SOLAR HEATING PANEL SYSTEMS: These energy and money saving solar pool systems collect the sun's rays, warming the water that circulates through the panels channels and returns it to the pool! Collector kit can be mounted on plywood (as shown in image) and rests besides pool, or be roof mounted. Either option REQUIRES a roof/rack mounting kit.

SOLAR PANEL COLLECTOR KIT CONFIGURATIONS AVAILABLE IN THE FOLLOWING SIZES: 2.5' W x 20' L; 5' W x 20' L (Comes as (2) 2.5' W x 20' L Panels); and 5' W x 10' L (Comes as (2) 2.5' W x 10' L Panels). **ALL SYSTEMS DO NOT INCLUDE PVC OR FLEX PIPES**

[Efficient Heating] Immersion Water Heater for bathtub has a rated power of 1500W, High power, Quickly heats, Bucket heater 5 gallon can quickly heat 5 gallons of water in ten minutes(Boil water need more time). If the amount of water is more, Just increase the heating time.

[Safe and Portable] Portable swimming pool heater using one-piece and one-shot casting technology, Better insulation and airtightness. Perfect for winter washing, camping, travel, etc. With rust proof 304 stainless steel guard, suitable for Plastic containers, Inflatable containers, Glass containers, Wooden containers. Notice: Do not touch water during connected the power to prevent electric shock! Please unplug the power or touch the outside of the container to test the water temperature.

[Note] 1. People can't be touch the water while the portable hot tub heater is connected the power. 2. Before powering up please make sure portable instant camping hot water heater is completely submerged in water. 3. Unplug the power before taking out the heater and using hot water. 4. Bathtub heater while in tub must use 15A outlet. 5. More than 2 water heaters are needed for heating at the same time, please do not plug the two bathtub water warmer into one outlet to avoid fire hazards!

Superior Heater: Power: 11KW, Input Voltage: AC 240V 50/60HZ; Current: 50A; Product Size(L × W × H): 18.7 × 3.9 × 14 inch (475 × 100 × 355 mm). This swimming pool thermostat adopts advanced aluminum-plating zinc plates, effectively avoiding the hurt of exposure to the sun. The liner tank uses 304 stainless steel to feature durable and sturdy performance.

Adjustable Temperature: It is convenient for you to observe the change of temperature on the LCD at any time, and you can adjust the setting value easily through the touching screen. The electric SPA heater will automatically control the temperature ranged from 71.6 °F-122 °F (22 °C-50 °C). With the smart temperature sensor, the heating system is always under control and keeps non-fluctuation of the temperature.

Intelligent Self-test: The intelligent self-checking function not only can detect automatically to reach the set temperature, but also supervises the operational status of the heater in case of water absence. If the heater has the risk of high temperature, the heating system will stop working. This humanized design helps to keep you secure when you use the machine.

Flow Activation

Eco smart Pool Heaters are compact and easy to install for a new or existing pool

Set your temperature digitally to increments of 1-Degree. Set it and forget it.

【Fast Heating】1500W of power can make 5 gallons of water warm in a few minutes. Before inserting the pool warmer, please make sure that the heater is completely immersed in the water then connect the 120v/110v power supply.

【Premium and Safe】Our pool water heater has UL report and is safer to use,With high quality stainless-steel protect cover,hot tub heater will effectively prevent the heating element is in direct contact with people or animals and heat dissipates to the water faster by flowing through the holes in the guard.Durable and reusable.The holes on the guard dissipates heat into the water faster

【Simple Operation】Immerse in water at an appropriate water level and plug into any grounded wall outlet. Then the 1500W immersion water heater can start working.

DO IT YOURSELF: Complete SunQuest solar heater systems are available to suit your needs. Designed for Roof/Rack installation, all hardware, roof strapping and a Bypass are included (Pipe not included). More cost-effective than an Electric or Gas heater

EXTENDED SWIMMING: A solar pool heater sized and installed correctly, will raise your pool water 10 ℉, keeping your pool warm and extending your swimming season. Use a Liquid Solar Blanket or cover to maintain the heat for optimal results

DURABLE AND RELIABLE: Premium quality, superior technology, high-rated performance, and second-to-none reliability. They simply work - and keep on working

SOLAR HEATING: The inflatable heaters harness the sun's energy to heat your pool during the day and keep it insulated at night; Use multiple heaters to cover at least 80% of your pool's surface for optimal results

SAVE MONEY: Includes 3 inflatable heaters; Compliments existing gas and electric heaters to save you time and money with faster heating; Also cheaper and less cumbersome than permanent retractable covers

MINIMALISTIC DESIGN: Solid dark blue color provides a clean, modern look to any backyard pool versus the loud designs of other sellers

High Power: New square immersion water heater has a rated power of 2000W, 120V (Must use Outlet above 15A, The heater is 15A current)High power for quickly heating, heats 5 gallons of water in few minutes

Higher Heating Efficiency: heat from 70°F to 105°F,5 gallons of water usually only takes 30-60 seconds,50 gallons of water usually only takes 30-40 minute,200 gallons of water usually only takes 2-3 hours,This water heater can heat water to boiling

304 Stainless-steel Guard: With ABS outer and 304 anti-rust stainless steel guard,it is rust proof and durable, Effectively to prevent the heating element is in direct contact with the human body,Avoid direct burns, more secure protection,The holes on the guard help release heat into the water faster.

EASY TO INSTALL: Full SunQuest panel systems are available to satisfy all your needs. Placed on the Ground, these units include everything you need to connect to your existing pool hoses. More cost-effective than an Electric or Gas heater

SIMPLE: Designed specifically for smaller above ground pools up to 15 ft dia. These can be placed on the ground, a rack or roof and the hardware is included. More versatile and cost-effective than Electric or Gas, or a heater arc or mat

EXTENDED SWIMMING: A solar pool heater sized and installed correctly, will raise your pool water 10 ℉, keeping your pool warm and extending your swimming season. Use a Liquid Solar Blanket or cover to maintain the heat for optimal results

Heat your pool with a garden hose.

Designed for use on In-Grund or Permanent Above-Ground swimming pools.

Easily connects to a standard 1 1/2" return fitting on above ground or in ground pools

【RELIABLE SOLAR HEATER】 - Product Size: 22.4 × 22.4 × 9.4 inch (57 × 57 × 24 cm). Our solar dome heater is bigger than other products in the market, offering you higher heating efficiency. It extends your swimming season with warm water and heats your pool to a comfortable temperature with a 37.4-39.2 °F(3-4 °C) increase. This energy-saving pool dome is heating by sunshine with no electric or gas connections. With high-quality PP plastic material, the hose is solid and won’t leak.

【DOME DESIGNED COVER】 - We provide you a PVC cover. The solar heater can enhance heating effects with the help of the dome cover because the cover absorbs and gathers heat. Locks are there for fixing the cover tightly on the base. Please don’t remove the cover when the solar dome pool heater is not working. It can also keep your heater clean from debris.

【2 COLLAPSIBLE LEGS】 - Our solar dome swimming pool heater is equipped with 2 foldable legs, which is convenient to put the solar heater facing the sun. In this way, the heating effect will be improved. Additionally, the solar-powered dome is much easier to be stored and doesn’t take up your space for its folded legs.

【FAST HEATING】: With 1500W high power can heat 5 gallons of water in a few minutes! You can enjoy the warm water in a very short time! The high-power portable bucket water heater can quickly heat up the water which can help saving time and power consumption.

【HIGH QUALITY MATERIALS】: The immersion water heater with high-quality 304 stainless steel shield can effectively prevent the heating element from direct contact with people or animals, and quickly dissipate heat into the water. There are holes in the protective cover. Sturdy and durable, it can be used many times without any damage.

【HOW TO USE】: Put the barrel heater in the container, fill the container with water, completely cover the protective cover of the submersible tube heater, and then plug it into a properly grounded 120V AC outlet. Check the power light in the plug to make sure the immersion heater is on and will continue to heat the water until it boils.

Intelligent heating and power off: The heating time and heating temperature can be set freely. After waiting, the controller will complete your settings and automatically disconnect the power to stop heating to avoid fire. Remember, the heating time should not exceed 3 hours, it is easy to overheat and burn out the controller! ! !

Read To Avoid Fire: The heater must be completely immersed in water under working conditions. Before touching the water with your hands, please unplug the power plug first, and then take out the water heater! Please do not use it continuously for more than 3 hours! If your bathtub or small swimming pool has a large capacity and needs to heat more than two water heaters at the same time, Can be used with two water heaters，but do not plug the two water heaters into the same socket !!!

Heating efficiency: The immersion water heater has a rated power of 1500W, which can quickly heat 5 gallons of water. The protective case is made of high-quality stainless steel and has a porous design with good thermal conductivity.

1. The thermostat is specially designed for hot tubs, and the thermostat is installed in the pipe jacuzzi. When adding a hot water bath, start the water pump and the thermostat will automatically keep warm, so the water temperature bath is kept at 39 degrees Celsius, creating a more comfortable environment for your swimming pool

2. Voltage: 220V Power: 9KW 50 / 60HZ

3. Safe and easy to operate: The entire installation method of the electric heat pump pool heater is not complicated. By automatically tripping the power switch, the product can be controlled easily and quickly with high safety.

[Extend Your Swim Season]: Designed specifically for heating aboveground swimming pools . The PLC50 heater can operate within the range of ambient temperature from 40F to 100F, and can heat the water temperature to 105F, making it an ideal choice for extending the swimming season for months.

[Save Money]: Base on heat pump technology, the PLC50 heat pump absorbs energy from the air and transfers it into the water. So the operation only requires very limited electric input, hence its high efficiency and heat conversion rate can reach a score of COP 5.6. In other words, for every cent of electricity spent, 5.6 times heat is generated!

[Ideal for Above Ground Pools] 14000 BTU output, the Pool heat pump PLC50 is Ideal for Above Ground Pools with up to 4000 gallons of water. (Please refer to the temperature map of the United States to chose the appropriate model).

Heat Fast: you will get 2 pieces of the yellow electric pool heaters, they has porous surface made of 304 stainless steel, with the 1500W high power, so that they feature the reliable thermal conductivity, and can help you quickly up heat 5 gallons of water in minutes; And they are equipped with digital LCD thermometers to help you know the current water temperature in time

Automatic Power off Function: designed with reliable automatic power off function, the bath tub heater for bath can automatically turn off when the water getting 120 to160 degrees Fahrenheit, which relieves you from worries about fire, and allows you to use with confidence; Please keep in mind that in order for the temperature to be displayed normally, the thermometer probe must be placed on the top water layer

Warm Notice: when working, the portable hot water heater, should be completely submerged in water; Please do not continuously use it for more than 3 hours; To avoid scalding and electric shock, keep away from boiling water during the heating process, and unplug it before touching water ; Furthermore, if your bathtub or small swimming pool has a large capacity and requires more than 2 heaters to be heated at the same time, please do not plug 2 heaters into the same outlet to avoid a fire

【Read To Avoid Fire】The heater must be completely immersed in water under working conditions. Before touching the water with your hands, please unplug the power plug first, and then take out the water heater! Please do not use it continuously for more than 3 hours! If your bathtub or small swimming pool has a large capacity and needs to heat more than two water heaters at the same time, please do not plug the two water heaters into the same socket .

【Manual power-off】you must pay attention to the heating process, this is not a children's toy, to avoid burns, the water must submerge the entire heater, not dry burning will cause fire

【Heating efficiency】The immersion water heater has a rated power of 2000W, which can quickly heat 5 gallons of water. The protective case is made of high-quality stainless steel and has a porous design with good thermal conductivity.