Best Bathtub Water Heater

Not everytime it is easy to buy a best bathtub water heater. There are hundreds of best bathtub water heater available on the market from various producers, which is enough to confuse you. According to the performance, quality, longevity and overall user experience, they are so similar that you may get hard to make your final buying decision. All you need at that point is a comprehensive buying guide to help you find the ideal best bathtub water heater for your needs.

In this article, we will go over a few important points to consider about before buying a best bathtub water heater. You can think of it as a proper review guideline for you, as it will cover the pros and cons of your desired product, such as its energy efficiency, cost and availability, functions, and practical benefits. Another feature will be a comprehensive and detailed comparison of a few similar products. As a result, you’ll be able to quickly select the best option for your needs. Let’s dive inside into it.

At a Glance

HISVICON Immersion Water Heater Bucket Heater 1500W Portable Water Heater for Bathtub with Stainless Steel Guard and Digital LCD Thermometer (Not Suitable for Swimming Pool)Buy Now
WELSTON 2000W Immersion Water Heater, with Thermometer Immersion Heater, Heat 5 Gallons of Water in Minutes Bucket Heater, Bathtub Heater, Submersible Water Heater Pool Heater for Above Ground PoolBuy Now
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&OutBuy Now
Memoryee Immersion Water Heater Portable Electric Stainless-Steel Heaters with Guard CoverSubmersible Home Instant Water Heater with and for Travel Camping Hot Bathtub Mini Inflatable PoolBuy Now
CMI Portable Immersion Water Heater Bathtub Inflatable Pool Electric Fully Submersible Instant Water Heaters 1500W (Yellow)Buy Now
GESAIL 1500W Electric Immersion Heater, Bucket Water Heater with 304 Stainless-Steel Guard, Submersible Bucket Heater with Thermostat and Auto Shutoff, Heats 5 Gallons Water in MinutesBuy Now
Immersion Water Heater, GESAIL 1500W Submersible Immersion Water Heater with Full 304 Stainless-steel Guard, Bucket Heater Heats 5 Gallons of Water in Mimutes BlackBuy Now
Immersion Heater,600W Portable Electric Immersion Water Heater Boiler Portable Bucket Heater for Heating Bathtub Pond Barrel 1m(US Plug)Buy Now
LIVEBAY Immersion Water Heater, Quick 1500W Submersible Water Heater with Stainless Steel Guard Temp Indicator Thermostat for Hot Tub Inflatable Pool Bathtub Wooden Bucket 5 GallonsBuy Now
JESTOP Anti-scalding Bucket Heater, Electric Immersion Water Heater with Digital LCD Thermometer, Stainless Steel Guard Submersible Heater, Rapid Heating in MinutesBuy Now

Best 10 best bathtub water heater’s review

We attempted to find the top ten best bathtub water heater from variety of items in this section. This list will make you feel certain that you will be able to obtain your desired best bathtub water heater in a matter of minutes. We focused on their use, performance, durability, appearance, price, and historical user experiences. We are confident that this top 10 best bathtub water heater list will help customers in picking the exact one that meets your requirements.

HISVICON Immersion Water Heater Bucket Heater 1500W Portable Water Heater for Bathtub with Stainless Steel Guard and Digital LCD Thermometer (Not Suitable for Swimming Pool)

  • [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 bucket 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.
  • [Precautions]1.Do not touch water during use to prevent electric shock! 2. The water heater must be completely immersed in water before power on. 3. The power must be disconnected before taking out the water heater. 4. Do not use it continuously for more than 3 hours! 5.Please do not plug the two heaters into the same outlet to avoid fire hazards.
  • [Wide application] Portable water heater can be used in bathtubs, wooden barrels, washbasins, washing in winter, camping, traveling, etc.

WELSTON 2000W Immersion Water Heater, with Thermometer Immersion Heater, Heat 5 Gallons of Water in Minutes Bucket Heater, Bathtub Heater, Submersible Water Heater Pool Heater for Above Ground Pool

  • 【2000W Fast Heating】2000W high power electric 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.
  • 【Humanized Design】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.
  • 【Portable Use】 The design of the submersible 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.)
  • 【Very Wide Use】Take a super comfortable hot bath in cold weather, or use the bucket heater to boil water for a comfortable foot soak that will keep you warm all night. bathtub water heaters are suitable for rapid heating in different small capacity containers such as buckets, bathtubs, small pools, washbasins, mini inflatable swimming pools.
  • 【2-Year Warranty Service】Please read the instructions and precautions carefully before using the 2000W immersion water heater. If you have received a defective Immersion heater or have other problems, please contact us immediately. We will send you a new immersion water heater immediately. wish you happiness. (Included in the package: 1x immersion water heater, 1x thermometer to prevent scalding and electric shock, 1x wire brush for cleaning the heater)

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 .



Memoryee Immersion Water Heater Portable Electric Stainless-Steel Heaters with Guard CoverSubmersible Home Instant Water Heater with and for Travel Camping Hot Bathtub Mini Inflatable Pool

  • Instant Immersion Water Heater: submersible electric heater runs on a more powerful and energy-saving motor. It will boil 5 gallon of the water in minutes and it will not consume too much power. All you need to do is just put the heater in to the water then connect the 120V power supply, easy to use. Gifts: digital thermometer.
  • High quality and safety:With ABS outer and anti-rust stainless steel guard to effectively prevent the heating element is in direct contact with the human body and heat dissipates to the water faster by flowing through the holes in the guard, safer to use and minimize accidents. High performance heating element which has been strictly tested and with over 10,000 hours service time, sturdy structure and fine workmanship to ensure the superior quality, durable and reusable.
  • Warning: The heater needs to be completely immersed in water in working condition. It takes about 2 hours to heat 25 gallons of water from 0 °F to 104 °F. please do not use it for more than 3 hours continuously! If the capacity of your bathtub or small swimming pool is large and more than 2 water heaters are needed for heating at the same time, please do not plug the two heaters into the same outlet to avoid fire hazards. Please take out the heater before touching the water!
  • Easy to use and safe: Just Immerse in water at proper level. Plug into any grounded wall outlet.Come with a digital LCD thermometer, easy to measure water temperature. Each of our bucket heater has been strictly tested. Your satisfaction is our first priority. If you have any problems after receiving this product, please feel free to contact us, we will try to help you at anytime.
  • Wide Application: The electric immersion heating element 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.

CMI Portable Immersion Water Heater Bathtub Inflatable Pool Electric Fully Submersible Instant Water Heaters 1500W (Yellow)

  • 【Widely Used】:Our portable water heater is suitable for portable bathtub, pool heater, pond heater, water trough heater, bucket heater. Especially fit for heating water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.
  • 【Fast Heating】:1500W of power 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.
  • 【Easy to Use】:Place portable 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!
  • 【Warning】:The portable water heater needs to be completely immersed in water, please do not plug the two camping water heater into the same outlet to avoid fire hazards. Please take out the immersion water heater before touching the water! Do not use it for more than 3 hours continuously!
  • 【Thermostat and Auto Shut off】:The middle stainless steel tube contains a thermal overload safety switch, when water reaches a certain temperature, immersion heater for water can automatically cycle on and off to maintain water temperature. It will not overheating and save power. Dry burning will auto shut off power to avoid catching fire.

GESAIL 1500W Electric Immersion Heater, Bucket Water Heater with 304 Stainless-Steel Guard, Submersible Bucket Heater with Thermostat and Auto Shutoff, Heats 5 Gallons Water in Minutes

  • High Power: 1500W, 120V (MUST USE 15A OUTLET, THE HEATER IS 12.5A CURRENT)travel immersion water heater, High power for quickly heating, heats 5 gallons of water in few minutes, portable immersion heater will heat water continuously over 180 degrees F and towards boiling(It can’t boil water).greatly saving your time. Note:people can’t be in the water while the heater is working.
  • Thermostat and Auto Shut off – The middle stainless steel tube contains a thermal overload safety switch, when water reaches a certain temperature(about 180-194 degrees F), immersion heater for water can automatically cycle on and off to maintain water temperature. It will not overheating and save power.Dry burning will auto shut off power to avoid catching fire.
  • 304 Stainless-steel Guard – The heavy duty 304 stainless-steel guard on the electric bucket heater protects the heating element from directly contacting persons or animals. The holes on the guard help release heat into the water faster.
  • Simple Operation – Immerse in water at proper level. Plug into any grounded wall outlet. Check power indicator light in plug to make sure the water bucket heater is on. then the portable water heater starts working. Warning: the cord and handle can’t be submerged in water.
  • US safety standards, 12-month warranty. Package included: 1 pack bucket heater + Manual.

Immersion Water Heater, GESAIL 1500W Submersible Immersion Water Heater with Full 304 Stainless-steel Guard, Bucket Heater Heats 5 Gallons of Water in Mimutes Black

  • High Power: 1500W, 120V bucket water heater(MUST USE 15A OUTLET, THIS HEATER IS 12.5A CURRENT), use for water only, heats 5 gallons of water in few minutes, portable immersion heater will heat water continuously over 180 degrees F and towards boiling(It can’t boil water), just make sure the water is always full cover the water immersion heater.
  • Rust Proof Stainless-steel Guard – The heavy duty 304 stainless-steel guard on the electric bucket heater protects the heating element from directly contacting persons or animals. it is rust proof and durable, design for long term use. The holes on the guard dissipates heat into the water faster.
  • Simple Operation: Place immersion heater for water in a container designed to contain boiling water, fill the container with water to full cover the submersible bucket heater shield(including stainless-steel guard and plastic part), plug portable water heater into a properly grounded 120V AC outlet, make sure the portable immersion heater is on, Feel the difference in a few minutes!
  • Widely Application: The bucket heater immersion can be used in different size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.please make sure the container design to hold boiling water, or unplug it before boiling.perfect for winter time job such as car washing, heat your farm animals’ water, your tiling water on the job site ect.
  • Warranty: Full one year warranty against defects, please contact us if have any problems, we will solve it at the first time. Package included: 1 pack bucket heater + Manual.

Immersion Heater,600W Portable Electric Immersion Water Heater Boiler Portable Bucket Heater for Heating Bathtub Pond Barrel 1m(US Plug)

  • Portable water heater, with simple design, is an electrical appliance for heating liquids.
  • Widely used for heating farms, bathroom sinks, outdoor pond, buckets, and inflatable swimming pools.
  • Easy to use, just immerse it in water and plug it into the socket, which heats up quickly.
  • Ergonomically designed, compact and lightweight, suitable for home bedroom, office and travel.
  • It can be used with glass, ceramic or stainless steel containers to get the best results.

LIVEBAY Immersion Water Heater, Quick 1500W Submersible Water Heater with Stainless Steel Guard Temp Indicator Thermostat for Hot Tub Inflatable Pool Bathtub Wooden Bucket 5 Gallons

  • 🔌【Container Security】Livebay immersion water heater will not damage your container while heating, no matter what material it is. Please note: Do not touch if you are using a metal bucket.
  • 🔌【Temperature Detector】Put the metal probe in the water while using an immersion water heater, to observe the temperature. Do not put the monitor in water!
  • 🔌【Premium & Safety】The submersible electric water heater is made of high quality heavy-duty 304 stainless steel protective cover, which can effectively prevent the heating element from direct contact with people or animals, and quickly dissipate the heat into the water through the holes in the protective cover.Sturdy and durable, it can be used many times without causing any damage.
  • 🔌【Scope of Application】: Put the bucket heater in a container, fill the container with water to completely cover the protective cover of the diving tube heater, and then plug it into a properly grounded 120V AC power outlet. Check the power indicator in the plug to make sure that the immersion heater is on and it will continue to heat the water until it boils.
  • 🔌【Warning】: 1.The portable immersion bathtub heater needs to be 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!

JESTOP Anti-scalding Bucket Heater, Electric Immersion Water Heater with Digital LCD Thermometer, Stainless Steel Guard Submersible Heater, Rapid Heating in Minutes

  • 【Heating Helper】The instant hot water heater is suitable for rapid heats water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc. The Package includes 1 x digital thermometer, 1 x stainless steel cleaning ball, 1x water heater. It is deal gift for your friends and family during winter.
  • 【Safety & Practicality】The pool heater with stainless steel protective guard can effectively prevent the heating element from directly contacting the human body, which is more safer. Heat dissipates to the water faster by flowing through the holes in the guard. It can boil 5 gallons of water in a few minutes. Please use it strictly according to the instructions! !
  • 【Easy To Use】Fully submerge the heater in the water and connect it to a 120V power supply. Check power indicator light to make sure immersion water heater is working then it will heat water continuously. JESTOP heater is perfect for any cold weather application.
  • 【Widely Application】JESTOP Heater is small and portable. You can easy to carry it to heat your farm animals’ water, your tiling water on the job site, car wash bucket, pail of bath water in a tiny home or camper, window washing water and more!
  • 【Warning Tips】The heater must be completely immersed in water during working! Please take out the heater before touching the water! Please do not use it continuously for more than 3 hours! Please do not plug the two water heaters into the same socket to avoid fire.

Buying Guides for Best Bathtub Water Heaters

As a human being, this is quite impossible to know everything well. You can’t be an expert in every field. In that case, going through a proper buying guide can save us from being fool after purchasing a best bathtub water heater just because of not knowing properly earlier.

You don’t have to be an expert on that specific product to buy it. Just focus on a few key points that we will go over in the following sections. Keeping these simple things in mind may make your shopping experience more pleasant and straightforward. Let’s get started.

Be aware of your requirements.

The first thing to learn is what your needs or requirements are. If you aren’t aware of your needs, there’s a big chance you’ll spend a lot of money on the wrong things at the wrong time. So, first of all and importantly, we recommend that you carefully consider your requirements while seeking a best bathtub water heater. Just create a simple list about key needs. This simple task will lead you to make your buying process easier. Then you easily understand what you should give priority and what not.

Budget Vs Price

Budget is one of the most important issue to think about before you decide to buy anything. Producer and seller can set any amount of price on your desired product. That mainly depends on their brand value and different expences like purchasing raw materials, manufacturing, logistics and other operational costs. The higher quality you want from your product, the higher amount of bucks you may need to cost for that. This is the reason, budget matters so much. And your enlisted best bathtub water heater couldn’t bypass this universal truth too.

There a proverb goes in our society, “Cut your coat, according to your cloth”. So, find your desired products as per your wishlist first. Analyze their prices and features thoroughly.Make a proper comparison among them through your observation and select one that you want. Now make a question inward your mind that you are really financially capable enough to purchase that specific best bathtub water heater or not? Don’t think twice and go for it if your answer is yes. But if not, then you must think about the second best option from that search list.

Choosing the Best Brand

It seems that most of the time we get biased on some specifice products of specific brands. Sometimes, this practice results good and sometimes doesn’t. However, there’s no denying that depending on well-known brands is a good idea. Because having enough cash in your pocket makes making decisions half as easy. But don’t forget, there is no such thing that a brand will produce everything best in the market. As a result, you must tread cautiously when deciding whether or not you have picked the appropriate brand for your specific product.

People fall into two categories. One is totally dependent on a specific brand, while the other is unworried. All he requires is the proper product for the price he is paying. The category that you belong maybe unknown to us.But there are few tips which may come adjuvant for both of you at the time of choosing the right brand for the right product.

  • Make certain that you are well-versed in the Brand.
  • What the public has to say about this brand.
  • Try to calculate the avarage rating score of your choosing products of that brand.
  • Compare the features to what others offer.
  • Do those features meet your demands?

Take a look at the section on Features.

When you purchase a best bathtub water heater, your first duty is to check the features of it. This is the best way to know about a product and get a clear concept. You will easily feel that your chosen product is capable enough to meet your demands or not.

The features section also helps us in swiftly identifying the differences with others. Then you can compare with similar products through the features. Through this task, one will get a little idea about quality also and make it easier to go ahead toward making our final verdict as well.

Benefits and Drawbacks must be considered.

Every product has its own set of benefits and drawbacks. It is our duties to carefully examine them out first before buying them. Hence, remain cool because you need to figure out the drawbacks which you demanded from the best bathtub water heater that you are looking forward to buy. Perhaps another company made the ideal one for you. Just don’t be too lazy to compare your options with theirs before making your final decision.

You’ll find a section called Pros and Cons on almost every website. Carefully read that section. If you have any further questions, simply contact them via email or phone to seek their assistance.

Quality & Durability

Color, Style, Performance, Materials, and, most importantly, Durability are all aspects of quality. Don’t make a mistake like not cheking those issues which are related to ensure quality. We think you are actually paying the money for this. Do you think this best bathtub water heater deserves the inevestment that you want to do for it? The quality you will get, is the answer of this question.

Warranty & Return Policy Matters

Lots of companies are making products. Some of them are trying to maintain good quality as well. By watching their creative advertisement, we are being known about them too. Still, everything is okay. But let me remind about Warranty and After Sales Service. Whether you take this thing seriously or not, it’s a real big deal indeed.

It is going to be huge mistake if you forget to check the facts like warranty, gurantee and return policies. Whether the seller claim it as the best quality product or not, he cann’t claim that nothing will happen with it. Nothing is guaranteed to last forever. But you can expect at least a minimum return of value from the best bathtub water heater that you invested for. Hence, you should be careful enough while checking policies. Sometimes, you may find some policies which looks mystical and not clear enough through their written words. At that time, simply ask their delegate about thier policies again and have patience until you get the whole thing unequivocally.

Checking FAQs and Customer Reviews will make your job much easier.

Your time is precous and checking FAQ anwers and customer reviews can save it hugely. Before purchasing anything, few qustions may come to your mind and if you search them on internet, you will see they have been asked and answered as well before you thought. They are called FAQ or Frequently Asked Questions. On the other hand, customer reviews are the short stories of the people who got experience of the products that you are looking for.

If you want to get a clear idea of both, checking out those two things are must. There can be found such question and answers which doesn’t come into our mind normally. After then, understanding about the utility of the best bathtub water heater will be far easier than before.

Last Words

Afterwards, You should consider the value that the best bathtub water heater providing you is viable enough against the price you paying for it. Do you think it is worthy to pay so? Do your demands be fullfilled with that? That’s the most important thing, we guess.

We hope that you enjoyed the article in which we tried to provide you a proper guideline to help you to buy the best best bathtub water heater. Nobody can feel happier than us if this article come useful to you. End of the day, your satisfaction makes us feel happy.