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The Best swimming pool water heater of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best swimming pool water heater of 2022. Check our ranking below.

2,548 Reviews Scanned

Rank No. #1
Water Heater, Pool Heater, Immersion Bucket Water Heater, Submersible Water Heater 304 Stainless Steel Guard with Controller, Pool Heater for Above Ground Pool to Heat 5 Gallons of Water in Minutes
  • 【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 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.
  • 【Easy to Use】Place the pool water heater into water designed to contain boiling water, fill the container with water to full cover the submersible bucket heater , plug portable water heater into a properly grounded 120V AC outlet, make sure the portable immersion heater is on, make the pool warmer in a few minutes!
  • 【Very Wide Use】The electric immersion heater can be used in water,pool heaters for above ground pools fit for bucket, basin, bath tub, mini inflatable swimming pool, etc.
Rank No. #2
PNKKODW Immersion Water Heater, Bucket Water Heater 1500W Portable Small Pool Heater with Stainless Steel Guard to Heat 5 Gallons of Water in Minutes for Camping, Bathtub, Inflatable Pool
  • 💦 The protective shell of the water heater for pool is made of 304 stainless steel, which is strong in structure and high temperature resistance. It can conduct heat faster, and the holes in the protective cover allow the water to heat up quickly. In addition, it will not rust during long-term use. The shell of pool heater is detachable and can be pulled out directly by rotating, which is convenient for cleaning the scale. It is forbidden to use after disassembling the shell.
  • 💦 1500W high power immersion water heater makes water heating faster. Its voltage is 110- 125V. It can heat 5 gallons of water to boiling in a few minutes. It takes about 30 minutes to heat water to 104F, and it may take a little longer in winter. Please make sure that the immersion heater is completely immersed in water before use, and pay attention to the water level indication on the label.
  • 💦 The portable water heater for measures 10x1.6 inches and the wire is 60 inches long. It can be used in many occasions, suitable for bathtubs, plastic buckets, basins, inflatable swimming pools, kids swimming pools, etc. When you are camping outdoors, it is a must-have item for you. The water heater for bucket is small in size and easy to carry. In the cold winter, you can heat up cold water at any time. You can use it to wash your face or soak your feet without worrying about hot water.
  • 💦 Recommendations: 1. Please make sure that the bucket water heater is completely immersed in the water before use, otherwise it will melt the plastic on the top and cause dry burning. 2. Please pay attention to the changes of the water level at any time during use, and keep out of the reach of children. 3. Please do not plug the two heaters into the same set of sockets or the same extension cord to avoid accidents. 4. Please cut off the power and take out the heater before touching the water.
  • 💦 The portable pool heater is very convenient to use, just immerse the portable pool heater in the water and plug it into any grounded wall socket to work. Pay attention to the steps described above. The package includes: 1 x immersion water heater, 1 x digital thermometer, 1 x steel wire ball, 1 x sandpaper, 1 x manual.
SaleRank No. #3
DOEL 11800 BTU Mini Swimming Pool Heat Pump for Above-Ground Pools, 3.45 kW Electric Pool Heater with Titanium Heat Exchanger, 110V 60Hz
  • Mini Heat Pump: This electric pool heater is suitable for small pools up to 3962 gallons. The larger the pool, the longer the heating time. (Please read item description for more details as reference). It's your perfect heat pump solution for above ground swimming pools, hot tub or spas.
  • Working Requirements: 110V, 60 HZ for USA electricity. Built in 8 foot long power cable with standard USA plug.
  • Energy saving: The heat pump has an energy efficiency of 5.7, and the operating cost is only 1/5 of the electric or gas heating system. The energy-efficient and low-power heat pump allows you to enjoy your swimming time to the fullest.
  • High Efficiency: Allowing fast and easy hookup without professional installation. With innovative flat-tube titanium heat exchanger, the heat exchanging efficiency is 30% higher than spiral tubes.
  • Premium Security: Available with child lock. Advanced protection system with auto electrical-leakage and low-voltage switch, high and low-temperature, and compressor discharge over-high protection.
SaleRank No. #4
HASTER Portable Pool Immersion water Heater for Inflatable Pool Bathtub,Bucket Heater with 304 SS Guard,Electric Submersible Water Heater with LCD Thermometer,Heat 5 Gallon Water in Minutes In&Out
  • ☀[Heat water faster]: 1500W high-power immersion water heater can make 5 gallons of water warm in a few minutes. In the cold winter, you no longer need to wait for a long time for warm water. When you get an immersion water heater, you can enjoy hot water anytime and anywhere in just a few minutes even for outdoor camping with this portable immersion heater for camping .

  • ❀[Safety protection] This UL Certified immersed electric water heater with 304 stainless steel cover guard. Heating in water for a long time will not cause rust, and also protect the heating from direct contact with people, effectively preventing burns. It comes with the digital LCD thermometer whcih can show the temperature easily and can enjoy with the comfortable warm water .Let us enjoy swimming with this portable pool heater


  • ♥ [Easy to use] Just put the full submersible water heater bucket heater 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 outdoor swimming pool please kindly check the pool size if any question please feel free to contact us
  • ♛[Portable and versatile]: You can use the portable bucket water heater anywhere. It supports to use in containers of different sizes, such as buckets, basins, bathtubs, mini inflatable portable swimming pools, etc. Please note if using in outdoor Inflatable swimming pool one should not be enough .This is the first choice for home and outdoor work.This immersion heater is handy and super lightweight, making it pool warmer any grounded wall outlet.



  • [Warnings]: Do not heat while using water . The protection plug of leakage is not a power switch.Make sure the water level is enough before use. Read the instructions carefully before using .Don’t put your hand into the liquid when the electric water heater is plugged in.When the liquid is hot, unplug the immersion heater element then take out from the container.Do not plug two heaters on the same outlet .


SaleRank No. #5
Happybuy Electric Water Heater fit for Thermostat 3KW 220V Electric Water Heater fit for Thermostat for Max 528 Gallon Mini Swimming Pool SPA Swimming Pool fit for Thermostat Automated 50mm Interface
  • Smart Thermostat: The thermostat comes with a temperature probe, which can sensitively sense the temperature of the pool water. The heating can automatically adjust to the set value of the thermostat. Adjustable temperature range of 20℃-40℃(68℉-104℉), time can be set by yourself.Note: The diameter of the water pipe you use should be 1.5 in(38 mm) for a smooth flowing.
  • Secure & Reliable: If the temperature of the water or thermostat housing exceeds 60°C (140°F), the high-temperature protection device will immediately trip. Once the flow is small or not enough water pressure, the thermostat will switch off the power automatically, prevents the thermostat from being damaged by dry burning. Material: Metal;Voltage: 220-240V/50-60Hz;Power: 3KW;Current: 14A;Phase Parameters: Single Phase.
  • Durable Material: The inner tank of the thermostat is stainless steel, and it has a long service life without rust. Internal use of international cables, in line with international standards, without having to worry about product quality problems during use. Note:Do not use the thermostat in saltwater, acid water, or alkaline water.
  • Simple Operation: The internal circulation of the water heater is smooth, with no scum. It is easy to disassemble. After the correct installation, the user rotates the control switch to set the temperature and the heating indicator lights. The water will automatically heat up to the level set by the user and maintain the temperature.Note:Do not install the thermostat outlet of the bathtub in the middle of pipes or valves or check valves.
  • Multiple Usages: Water heater operation is fully automatic and easy to use.Need to be equipped with a circulating water pump about 550W, and the water pressure is higher than 20kpa. It is suitable for heating constant temperature systems such as small hot springs, mini swimming pools, and bathtubs.Capacity:No more than 1.5CBM(396 gallon);Suitable For: Max 2CBM(528 gallon) Hot Tub & Swimming Pool Equipment. Note:Do not place any electrical appliances within 1.5 meters of the thermostat.
SaleRank No. #6
ECOPOOLTECH-Swimming Pool Heat Pump-Swimming Pool Heater-for Above Ground Pools, up to 5000gallons, 14000BTU/hr, Titanium Heat Exchanger.
  • [A Better Way to Extend Your Swim Season]: Nothing beats a warm swimming pool for your kids, pets and the whole family! What you’ll need is a highly efficient, low operating cost heating system – an ECOPOOLTECH pool heat pump for your pool to extend the fun for a few more months!
  • [Superb Energy Saver]: The pool heater EU50 is a heat pump specifically designed for swimming pools, not an electric or gas heater. 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 Choice for Above Ground Pools]: The Pool heat pump EU50 is specially designed for above ground pools with up to 5000 gallons of water (No bigger than 16ft round or 10x20ft oval). This unit can operate at outdoor temperatures of 40ºF to 105 ºF, while the swimming pool can be heated up to 100ºF
  • [Easy to Install]:The heat pump pool heater EU50 allowing fast and easy hookup without professional installation. Just hook up several quick connectors, then plug and play. No need professional tools. No need a plumber. Watch the video to see how simple it is.
  • [High Specs] The pool heat pump EU50 equiped with powerful compressor, outputs a capacity of 14000BTU/hr. The pure titanium heat exchanger can resist any corrosion from pool water. Intelligent control system maintains the pool temperature at a consistent level. Once it starts operating, you don’t need to adjust any settings, just enjoy a warm and heated swimming pool.
SaleRank No. #7
Kokido Keops Solar Dome Above Ground Swimming Pool Water Heater | K835CBX/RV
  • Pool heater lets you swim on into the cooler months of the year with an integrated rack for receiving maximum sun exposure
  • Extends your swimming season with warm water and heat your pool to a warm, comfortable temperature; Reduces or eliminates pool heating costs compared with gas or electrical heater
  • Includes a protective cover for storage purposes when not in use and 4-foot hoses, fittings, and stainless steel clamps
  • Installs in line, quickly and easily; Compatible with 1.25-inch and 1.5-inch flexible pool hoses; Dimensions: 22 x 22 x 12.6 inches
  • Additional heaters can be easily connected for larger pools; Depending on conditions, 1 heater is recommended per 10,000 liters of pool volume; Manufacturer warranty: 30-day warranty
Rank No. #8
VEVOR Solar Dome Heater, for Inground/Above Ground Swimming Pool Solar Dome, Outdoors Pool Dome, Single Unit Solar Water Heater, Heats Pools up to 2641 Gallons Solar Powered Dome Black Heater Contour
  • Reliable Solar Heater: Product Size: 22.4 x 22.4 x 9.4 inch (57 x 57 x 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.
  • Easy Installation: It is labor-saving to make a connection between the solar pool heater and the swimming pool. You don't have to purchase the accessories since we will provide a 37.7 in(96 cm) long hose, a 13.7 in (35 cm) short hose, and other components. The hose interface can rotate 0-90° for pipe setup. It is recommended that you connect the solar water heater with a 1-2HP power pump up to 16 GPM flow rate.
  • Wide Application: The solar-powered dome is ideal for outdoor swimming pools. Each is suitable for 2641 gallon pool. You are suggested to connect 3-4 dome heaters for your family use. Compared to solar heating panels, our product is much compact, secure, and visually beautiful. Note: When using this product, the pressure should not exceed 0.8 kPa, and the daily air pressure is 35PSI.
SaleRank No. #9
220V 240V 3KW Electric Pool Water Heater for Above Ground Inground Pool,Upgrade Portable SPA Water Bath Heater Thermostat Swimming Pool Thermostat Heater Pump
  • Material: Metal;Voltage: 220-240V/50-60Hz;Power: 3KW;Current: 14A;Phase Parameters: Single Phase;NOTE:One interface is 50mm, the other port is 32mm, please note the size of the pipe before use.
  • Inlet size:1.97 inch ;Outlet size:1.3 inch;Wire: 3*4mm²;Pipe Diameter: 1inch;Size: 13.39* 4.8* 4.92inch
  • Heating fit for thermostat liner material is 316 # stainless steel pipe and electric resistance,corrosion resistance (chlorine corrosion),and durable
  • The product is easy to operate, provides a mechanical fit for thermostat switch, you can set the temperature of temperature technology
  • The product is small, suitable for: hot tub & swimming pool equipment and it is easy to install in the bathtub at the bottom of the circulating massage pipe
Rank No. #10
2000W Immersion Water Heater,Portable Electric 304 Stainless Heaters -Auto Shut-Off Timer for Above Ground Inflatable Pool Tub Buckets Motorhome Camping Outdoor,Heat 5 Gallons Water in Minutes
  • ✨5 & Safe✨1.Rust Proof 304 Stainless Steel Guard 2. Power Indicator 3. thicker copper cord 4. Auto Shut-Off Timer 5. Better insulation and airtightness
  • ✨Auto Shut-Off Timer:There are two setting modes. Mode A- Reserve heating time and enter the temperature setting page. Mode B (press [SET] three times)- Skip reserved heating time, enter the temperature setting page. Long press [SET] to re-enter the setting page and modify the time or temperature. During the heating process, press【SET】to stop or reheat heating. There are also automatic power-off and circulating heating functions.
  • ✨Efficient Heating: Water heater can make 5 gallons of water warm in a few minutes. Before inserting the heater, please make sure that the heater is completely immersed in the water then connect the 120v/110v power supply.
  • ✨Widely Use: Immersion water heater can be used in water, especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc. This immersion heater is handy and super lightweight, making it perfect for travels and road trips.
  • ✨Safety Tip: 1. Make sure completely immersed in water in working condition. 2.Do not use it for more than 3 hours continuously! 3.Please do not plug the two heaters into the same outlet to avoid fire hazards. 4.Please take out the heater before touching the water!

Last update on 2022-09-26 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best swimming pool water heater?

Do you get stressed out thinking about shopping for a great swimming pool water heater? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching swimming pool water heater, which is why we have assembled a comprehensive list of the greatest swimming pool water heater available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for swimming pool water heater that you consider buying. Your questions might include the following:

  • Is it worth buying an swimming pool water heater?
  • What benefits are there with buying an swimming pool water heater?
  • What factors deserve consideration when shopping for an effective swimming pool water heater?
  • Why is it crucial to invest in any swimming pool water heater, much less the best one?
  • Which swimming pool water heater are good in the current market?
  • Where can you find information like this about swimming pool water heater?

We’re convinced that you likely have far more questions than just these regarding swimming pool water heater, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for swimming pool water heater, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible swimming pool water heater. Make sure that you are only using trustworthy and credible websites and sources.

We provide an swimming pool water heater buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available swimming pool water heater currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of swimming pool water heater has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an swimming pool water heater?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your swimming pool water heater.
  5. Customer Ratings: Number ratings grade swimming pool water heater objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their swimming pool water heater.
  7. Product Quality: You don’t always get what you pay for with an swimming pool water heater, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an swimming pool water heater is should be an indication of how long it will work out for you.

We always remember that maintaining swimming pool water heater information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding swimming pool water heater is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

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