The Best swimming pool water heater of 2022 – Reviewed and Top Rated

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.

2,047 Reviews Scanned

Rank No. #1

Aquastrong 35,000 BTU Inverter Swimming Pool Heat Pump, 9,000 Gallons Electric Pool Heater for Above Ground and Inground Pool, WiFi Capable Timer, Heating and Cooling Pool Heater 120V

Extend Your Swim Season: The pool heat pump features a dual-mode heating and cooling system that maintains optimal water temperatures year-round. Precision control ensures heating from 47–104℉ and cooling from 47–83℉, allowing you to enjoy extended swimming sessions through autumn’s crisp chill and spring’s cool mornings.
Rapid Heating & APP Control: Engineered for speed and efficiency, it delivers 35,000 BTU warmth in hours, perfect for large pools, up to 9,000-gallon systems, or chilly climates. Take full control via the app & control panel. Adjust temperatures remotely, track energy use, and program heating schedules to fit your lifestyle.
Inverter Energy Saving: Intelligent heat pump system featuring full DC variable frequency technology delivers 15.8 COP for maximum heating output. Adaptive frequency conversion algorithm dynamically adjusts power in real-time, achieving 70% energy savings over traditional electric heating and 40% higher efficiency than gas systems.
Ultra-Quiet & Auto-Defrost: Variable frequency technology reduces operational noise to just 48 dB, paired with an intelligent defrosting system featuring automatically initiated cycles every 40 minutes that complete the process in just 5 minutes, ensuring uninterrupted winter operation with continuous heating performance.
Easy to Assemble: Our heat pump features 3 versatile connection options designed to integrate with all pools, (1.25" & 1.5" hose adapter, 1.5" adapter conversion kit, 1.5" PVC pipe converter), ensuring hassle-free installation and optimal performance. Enjoy peace of mind with our 3-year warranty. Dive into comfort and reliability.

SaleRank No. #2

Laboomkey 2000W Immersion Water Heater,Portable Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Pool Bathtub,UL Listed

【Fast Heating 】: The immersion water heater is rated at 2000W and operates at 110-125V AC. Porous design with good thermal conductivity. It will quickly heat 5 gallons of water with high power in a few minutes(longer in winter).If too much water is heated it takes more time or more than two products are used at the same time
【Safety And Practicality】: This UL-recognized immersion portable hot tub heater is equipped with a 304 stainless steel shield that prevents direct contact between the internal heating element and people or animals, making it safer to use and preventing burns.Heat dissipates to the water faster by flowing through the holes in the guard.our upgrade design ensures optimal performance.It is recommended not to use it continuously for more than three hours and never forget to unplug it
【Widely Used】: The immersion water heater can be used not just for small inflatable swimming pools（better results with more than two heaters working at the same time），but also for hot tubs, bathtubs, buckets,camping shower,farm animals’ water, window washing water and more.But not suitable for large pools
【Easy To Use】:Take Electric Submersible water heater immerse in water at proper level,Plug into any grounded 120V AC outlet.with a digital LCD thermometer, easy to measure water temperature. Check power indicator light to make sure immersion water heater is working .Please note: people and animal can't be in the water while the heater is working
【After Sales】: Before using the immersion water heater, please read the instructions carefully and follow the precautions. If you are experiencing problems using the product or if the product does not meet your expectations please feel free to contact us

Rank No. #3

XCLBTFDC 3500W 240V Immersion Water Heater Portable Electric Large Pool & Bathtub Fully Submersible Water Heater with Thermostat, Leakage Protection for Hot Tub, Baptistry, baptismal, Swimming Pool

FAST HEATING: The 316 stainless steel Immersion Water Heater Sensor features fast heat conduction and comes with 240V 3500W of powerful power and a built-in thermostat for an unparalleled heating process and greater efficiency. Simply plug it in, adjust the temperature and it will start heating immediately. It greatly reduces waiting time compared to immersion water heaters. It is both economical and efficient. Our immersion water heaters save you time and money.
High-quality Materials: This Water Heater is made from thickened, seamless 316 stainless steel, ensuring durability and preventing cracks during operation. It is suitable for most liquid environments. Additionally, the external cable features an extra waterproof layer for enhanced protection, ensuring reliable use and long-term stability.
Precision Thermostat and User-Friendly Design: Thermostat Immersion Water Heater features a temperature probe made from corrosion-resistant material, with a length matching the 118-inch cable, making it ideal for setups where the socket is far away. The temperature can be precisely controlled within ±0.1°C. It’s easy to operate; simply press and hold the SET button for 3 seconds to adjust the temperature using the up and down buttons. The heater supports both Fahrenheit and Celsius readings and comes with a user manual for guidance. Additionally, the bottom of the Heater rod includes a silicone gasket to prevent overheating from burning through the bottom of inflatable pools.
GFCI Leakage and Overload Protection: Safety is the top priority for this 100% waterproof Immersion water heater, which features GFCI (Ground Fault Circuit Interrupter) leakage protection that automatically cuts off power in the event of a leak. Additionally, it has an overload protection function that activates if your home’s aging wiring cannot support the heater's load, reducing the risk of accidents during extended unattended heating sessions.
Portable & Versatile: This immersion water heater is designed for versatility, making it an ideal choice for quickly heating liquids in a variety of environments. It can be used in hot tubs, bathtubs, swimming pools, inflatable pools, baptismal pools, inground and above-ground pools, swim spas, saltwater pools, ponds, aquariums, kitchen sinks, and livestock water troughs, among others.

Rank No. #4

1800W Portable Fully Submersible Electric Pool And Hot Tub Immersion Water Heater With Gfci Plug, Thermostat For Bathtub, Inflatable, Swimming Above Ground Pools, Bathtub,Baptistry, Baptismal Pool

This multi-functional water heater Perfect for above ground pools, inground pools, inflatable pool heaters, hot tubs, stock tank heaters, and foot pool heaters, it ensures that you can enjoy warm water in different settings. Whether you need a swimming pool heater for your backyard pool, a livestock pool & water trough heater for your farm, or a baptistry & baptismal pool heater for your church, this heater has got you covered. Designed to work efficiently in diverse environments, it’s ideal for use in farms, eco-ponds, ranches, barns, duck pools, outdoor artificial waterfall ponds, campgrounds, RV parks, bathrooms, and outdoor swimming pools. It delivers fast, reliable heating.
Portable pool heater is designed with a compact size & portable. Its compact size makes it an excellent choice for bath heaters in tight spaces like bathrooms or for outdoor use like baptistry & baptismal pool heaters. The portable nature of this product ensures that you can easily move it from your above ground pool on outdoor adventures. With its compact size, you get all the benefits of a high-performance swimming pool heater in a convenient, portable package. Whether you are looking to warm up your swimming pool, hot tub, or provide heating for your livestock pool & water trough, this compact and portable immersion water heater delivers reliable performance without taking up space.
Pool heater is designed with advanced GFCI (Ground Fault Circuit Interrupter) protection to ensure safety in various settings. When as a hot tub heater, bath heater, or a baptistry & baptismal pool heater, the GFCI feature protects against electrical leakage, preventing potential hazards. This immersion water heater provides reliable heating while safeguarding against overloads and electrical faults, GFCI protection will automatically cut off power in case of a fault, ensuring peace of mind for you and your family. Its smart design means that it will continuously monitor electrical flow, preventing any unsafe situations in your swimming pool heater or pool heaters for above ground pool.
Immersion water heater features a high-quality 316 stainless steel seamless tube, That only provides rapid heat distribution but also resists rust and corrosion, making it the perfect choice for both pool heaters for above ground pool and pond water heater for fish applications, Unlike traditional heating elements, allowing it to heat water twice as fast as standard immersion water heaters,316 stainless steel construction ensures long-lasting performance and faster, more efficient heating. The seamless construction also minimizes the risk of leakage, offering a safe and reliable solution for your above ground pool or bath heater needs.
Pool heater comes equipped with a highly accurate thermostat, offering precise temperature control within a ±32℉ range, ensuring you can easily maintain the perfect water temperature for various applications. With a control range of 44-212℉, Its precise temperature control allows for energy-efficient heating while preventing overheating, making it an ideal solution for homes, farms, and outdoor environments. for bath heater and hot tub heater can provide customized heating for your baptistry & baptismal pool heater, pool heaters for above ground pool, pond water heater for fish. maintain optimal livestock drinking water or swimming pool temperatures.

SaleRank No. #5

Varpoolfaye 16000 BTU Swimming Pool Heat Pump 5000 Gallon Electric Pool Heater for Above Ground Pool 5KW Heating or Cooling WiFi Control Timer Pool Heater 120V 60Hz

Impressive performance: Pool heater pump with a high-power compressor, titanium heat exchanger max output of 16000 BTU for above pool up to 5000 gallons, heat from 59-104°F and cool from 46-82°F
Multi-Season use and WiFi control: Electric pool heater has both heating and cooling mode, allowing us to extend swimming season by months and adjust settings via WiFi and set timed on/off anywhere by a mobile app
Engineering research and development: Limited electrical input, achieving a COP of 4.3, 120v pool heater absorbs energy from the air and transfers it to the water, whether fresh or salt water
Quiet operation: Equipped with additional soundproofing, above ground pool heater operates at a low 50dB noise level, allowing us to enjoy a peaceful experience
Easy installation: Pool heater comes with two DN32-38 mm connectors and a 118 inch power cord, making installation a breeze. For any inquiries during use, refer to the manual or our store for assistance

Rank No. #6

GRILLME 240V 3000W NEMA 6-15P Plug Immersion Bathtub and Swimming Pool Water Heater,Fully Submersible Portable Electric Heater,30 Galons Bathtub Heater,200 Galons Swimming Pool Heater,100% Waterproof

Product Parameters: 240V 3000W (*Notice:Must Use NEMA 6-15P 15A Outlet, This Heater is 12.5A Current) , Heater Length 13.5 Inches, Power Cord Length 118 Inches.
Fast Heating: The 3000W Heater Can Increase The Water Temperature Of A 30 Gallons Bathtub By 50 Degrees Fahrenheit Within 30 Minutes（Make Sure You Have A NEMA 6-15P 15A Outlet In Your Home）.
High Quality Material: The Shell Of The Heater Is Made Of Stainless Steel 316L Material, Which Has Better High-temperature And Corrosion Resistance Than Stainless Steel 304. The Anti Scalding Sheath Of The Heater Can Avoid Damaging The Container During Use.
Notice: The Heater Needs To Be Completely Submerged In Water During The Heating Process To Avoid Dry Burning Damage. This Product Is Only Suitable For Heating Tap Water And Is Not Suitable For Heating Corrosive Liquids Such As Well Water,Seawater, Acids, Alkalis, etc.If There Is Scale On The Surface Of The Heater, It Should Be Regularly Removed With A Scale Remover Or Vinegar.
Warranty: This Product Provides A One-year Warranty, And Is Free To Return Or Exchange If Damaged During Normal Use.

Rank No. #7

LINGLONGTEMP 1800W Titanium Fully Submersible,Portable Swimming Pool & Hot Tub Immersion Water Heater with GFCI, Temperature Control, Anti-Corrosion Sensor for Pools, Bathtubs - Liquids Fast Heating

Acid and Alkali Resistant Titanium Heater: Our titanium alloy fully submersible water heater is more durable compared to other heaters. It has excellent corrosion resistance, especially in saltwater and seawater environments, ensuring long-lasting performance even after prolonged use. This type of water heater can be used in various liquid environments, such as saltwater, seawater, groundwater, saltwater, tap water, etc.
Fast Heating for Instant Hot Water: With powerful 1800W Fully Submersible Water Heater heating capacity and equipped with temperature control, this heater offers significantly faster and more efficient water heating compared to 1300W Water Heater models. It is both effective and economical, helping you save time and money during cold winters and daily use, improving the quality of life and comfort for your family.
GFCI Leakage Protection: This Titanium Fully Submersible Water Heater comes with GFCI (Ground Fault Circuit Interrupter) protection and overload protection features, which significantly reduce the risk of electrical leakage and fire, ensuring safety for you and your family. The cable is made of rubber, providing excellent water insulation compared to other cables. Additionally, the cable and tube have an extra layer of insulation protection, offering double protection and minimizing the chances of accidents.
Precise Temperature Control: The Temperature Control panel is user-friendly and equipped with a corrosion-resistant, highly sensitive temperature sensor. Submerged in liquid, the thermostat heater can precisely maintain the temperature within ±0.1°C, Long press SET for more than 3 seconds when the LED display blinks set your desired temperature, press the up and down buttons to increase or decrease the temperature, regular state press SET can be freely switched Fahrenheit degrees Celsius unit switching.
Wide Range of Applications: The Titanium Fully Submersible Water Heater is versatile and effective in any liquid environment. It is ideal for swimming pools, bathtubs, baptistries, buckets, aquariums, spas, fish tanks, kitchen sinks, water troughs, ponds, and various other liquid heating scenarios.

Rank No. #8

Intex 28685E 47 Inch x 47 Inch Solar Pool Water Heater Mat for 8,000 Gallon Above Ground Swimming Pool with Hose Attachment and Adaptors, Black

Solar heater mat uses solar technology to increase the temperature of the pool water by approximately 5 to 9 degrees depending on the weather
Features an 11-square-foot surface to absorb the sun's rays to heat up above-ground pools; Dimensions (L x W): 47.25 x 47.25 inches (flat)
Simple and economical to use, compatible with filter pumps with up to 1/3 HP or a pump flow rate less than 2,000 GPH; Weight: 6.41 pounds
Includes a 1.25-inch hose attachment point, a bypass valve, 1 adaptor A, and 1 adaptor B for a 1.50-inch hose connection
Constructed of heavy-duty UV stabilized PVC; Suitable for above-ground pools up to 8000 gallons; Folds for compact winter storage

SaleRank No. #9

Immersion Water Heater 2Pack, Portable Electric 304 Stainless Heaters with Guard Cover - LCD Thermometer for Above Ground Inflatable Pool Tub Buckets Motorhome Camping Outdoor

5 & Safe: 1.Rust Proof 304 Stainless Steel Guard 2. Power Indicator 3. thicker copper cord 4. Auto Shut-Off 5. Better insulation and airtightness. Please note if using in outdoor Inflatable swimming pool one should not be enough and not suggest to use for big swimming pool
Efficient Heating: 1500W high-power immersion 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. While camping can bring this portable bucket heater and can enjooy shower even outside. You no longer need to wait for a long time for warm water, you can enjoy hot water in just a few minutes
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: Make sure completely immersed in water in working condition. Please do not plug the two heaters into the same outlet.. Please take out the heater before touching the water! Do not ever use this immersion heater for inflatable and bathtub to heat. While using water don’t put your hand into the liquid when the electric water heater is plugged in.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
Package Included--- 2 pack bucket heater + 2 digital thermometer + 2 Manual + 2 steel wool + 2 sand paper.

Rank No. #10

GRILLME 240V 3000W Titanium Immersion Bathtub and Swimming Pool Water Heater,Fully Submersible Portable Electric Heater,30 Galons Bathtub Heater,Seawater Aquaculture,NEMA 6-15P Plug,100% Waterproof

Product Parameters: Titanium 240V 3000W (Must Use NEMA 6-15P 15A Outlet, This Heater is 12.5A Current) , Heater Length 13.5 Inches, Power Cord Length 118 Inches.
Fast Heating: The 3000W Heater Can Increase The Water Temperature Of A 30 Gallons Bathtub By 50 Degrees Fahrenheit Within 30 Minutes（Make Sure You Have A NEMA 6-15P 15A Outlet In Your Home),The Heater also suitable for 200 Galons Swimming Pool or 600 Galons Seawater Fish Tank.
High Quality Material: The Shell Of The Heater Is Made Of Titanium Material, Can Effectively Prevent Seawater Salt corrosion. The Anti Scalding Sheath Of The Heater Can Avoid Damaging The Container During Use.
Notice: The Heater Needs To Be Completely Submerged In Water During The Heating Process To Avoid Dry Burning Damage. This Product Is Only Suitable For Heating Seawater And Tap Water, And Is Not Suitable For Heating Corrosive Liquids Such As Well Water, Acid, Alkali, etc.
Warranty: This Product Provides A One-year Warranty, And Is Free To Return Or Exchange If Damaged During Normal Use.

Last update on 2025-04-08 / 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:

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.
Features: What bells and whistles matter for an swimming pool water heater?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your swimming pool water heater.
Customer Ratings: Number ratings grade swimming pool water heater objectively.
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.
Product Quality: You don’t always get what you pay for with an swimming pool water heater, sometimes less, and sometimes more.
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.

The Best swimming pool water heater of 2022 – Reviewed and Top Rated

How Do You Buy The Best swimming pool water heater?

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