Finding a water heaters for bathtub that suits your need and does its job well can be challenging. Overall, our tester reviews these water heaters for bathtub with giving ratings and marks for its durability, ease of setup and use. Also the water heaters for bathtub price will be fairly matched the product’s performance, plus with the attractive and sturdy design etc that comes with the product. We conducted hands-on testing for water heaters for bathtub and have the details guide and list provided below.
In this in-depth review guide, we will discuss about the best water heaters for bathtub.
The Best water heaters for bathtub
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Recommended
JESTOP Anti-scalding Bucket Heater, Electric Immersion Water Heater with Digital LCD Thermometer,...
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The Best water heaters for bathtub
1500W Electric Immersion Water Heater for Bucket, Bathtub Heater with Timed Power Outage, Small Portable Heaters with 304 Stainless-Steel Guard, Heats 5 Gallons Water in Rapid (Built-in Timer)
$32.46 in stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- Safety & Reliable : The immersion water heater for bathtub made of high quality 304 stainless steel, which is durable and has a long service life. The inner tube of bathtub heater is made of pure copper, which has good heat conductivity and is not easy to deform.The water heater electric included timed automatic power off function is more secure. The product has passed the quality certification, and the safety design is reliable
- Quick Heating : The bucket heater for bathtub has a power of 1500W, which can quickly heat the 5 gallon water to the desired temperature. The heating time is about 5-30 minutes, depending on the water temperature. The bucket water heater has a built-in timer protection function, which can automatically turn off the power when the water temperature you need exceeds the set time to ensure safety
- Porous Design : The outer shell of the portable pool heater is made of high-quality stainless steel, which has a good thermal conductivity and is not easy to rust. The porous design of the inner tube can effectively increase the contact area of the water and the heat, so that the water can be heated more evenly
- Easy to Use : The immersion heater for hot tub is simple to operate. Just plug in the power supply and set the heating time you need. The bathtub heater while in tub has a built-in timer, which can be set to turn off the power after a certain period of time, so that you can use it with peace of mind
- Wide Application : The bath heater for tub is suitable for various occasions, such as home, hotel, spa, etc. It can be used to heat water for bathing, washing clothes, etc. The product is small in size and easy to carry, so it is suitable for outdoor activities such as camping, hiking, etc. If for any reason, the product you have purchased is not suitable for you, please contact us
JESTOP Anti-scalding Bucket Heater, Electric Immersion Water Heater with Digital LCD Thermometer, Stainless Steel Guard Submersible Heater, Rapid Heating in Minutes
$24.99 out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- 【1500W 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.
- 【Warning Tips】Since the water heater is high power, please ensure your outlets can withstand the high power! 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 use extension cords, do not plug the two water heaters into the same socket to avoid fire.
- 【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!
Immersion Water Heater, 2000W Portable Electric Instant Bucket Heater with Digital LCD Thermometer, Stainless Steel Guard Anti-scalding Submersible Water Heater for Bathtub Hot Tub Pool, UL Listed
$19.99 in stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- 2000W Instant Water Heater - The electric hot water heater has a power of 2000W and a voltage of 110-125V. It will quickly heat 5 gallons of water with high power in a few minutes, and it will take about 30 minutes to heat the water to 104 degrees Fahrenheit (longer in winter). It is suitable for rapid heats water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc.
- 【Easy to Operate】Our submersible portable water heater is easy to operate and comes with a digital LCD thermometer to help you monitor the water temperature. Simply make sure the immersion heater is fully immersed in water and connect the 125v/110v power supply.
- 【Upgrade Design】Our 2000W High Power Immersion Heater features an upgraded design with a stainless steel protective shell for added safety and durability. The bottom drainage design prevents accidental injury and ensures fast heat release.
- 【Used Anywhere】Use our bathtub water heater anywhere for a super comfortable hot bath in cold weather or a relaxing foot soak. Suitable for rapid heating in different small capacity containers such as buckets, bathtubs, small pools, washbasins, and mini inflatable swimming pools above the ground.
- 【Safe Hot Water Heater Set】Package Includes 1x UL certificate immersion water heater, 1x LCD secreen thermometer for water temperature check, 1x stainless steel scourer for cleaning the heater. Please read the instructions and precautions carefully before using the electric immersion water heater.
Immersion Water Heater, 2000W Electric Bucket Heater with Digital LCD Thermometer, Portable Submersible Water Heater for Bathtub Bucket Water, Rapidly Heats 5 Gallons of Water in Minutes
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
| Model | RSB-HS |
| Color | black |
2 Pack Immersion Water Heater, Electric Heaters with Guard Cover -LCD Thermometer for Above Ground Inflatable Pool Tub Buckets Motorhome Camping Outdoor,Heat 5 Gallons Water in Minutes
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
| Part Number | kk004 |
| Model | YCID-1500W |
| Color | 1500W-2Pcs |
Immersion Water Heater for Bathtub,Submersible Water Heater with 304 Stainless Steel Protective Cover,Bathtub Heater,Heat 5 Gallons of Water in Minutes (Yellow)
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- Quick heating: 1500 W portable immersion water heater can heat 5 gallons of water in a few minutes.
- Premium & insurance: The submersible water heater consists of a heating element locked in a stainless steel protective cover. The protective cover is designed to protect the damage heating element & avoid accidental contact with the hot element. The heater is portable & can easily move from one place to another.
- Simple operation: To use a bucket heater, simply place the heater in the water container & turn it on. The heating element will quickly heat the water, & you can control the temperature with a thermometer. Once the water has reached the desired temperature, you can turn off the heater & remove it from the container.
- Widely used: Electric water heater is commonly used for a variety of purposes, including heating water for camp, outdoor activities & emergency situations. They are also useful for heating water in situations where there is no traditional hot water heater, such as a garage or workshop.
- WARNING: Make sure the heater is completely submerged in the water. Do not use it for more than 3 hours continuously. Do not connect two pool heater in the same outlet to avoid fire hazards.
Quick Heating Portable Immersion Water Heater with Stainless Steel Guard, Anti-scalding Bucket Heater, Immersion Heater for Indoor & Outdoor
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- Double Safety Protection: According to customer demand, we have upgraded the electric heater with built-in temperature control and fuse, automatically stop heating and maintain the temperature when the water temperature reaches 158℉. The fuse can cut off the power to avoid fire, providing you with double safety protection and enjoying 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.
- Anti-scalding & Corrosion Resistance: The pool heater with corrosion resistance stainless steel protective guard can effectively prevent the heating element from directly contacting the people or animals, both sides are fixed with mechanical and AB glue, which has strong sealing and is safer. Strong corrosion resistance, for you to solve the trouble of no hot water.
- Widely Use: The heater can be used for inflatable swimming pool, bucket, washbasin, bathtub, washbasin, construction, car washing, etc. The immersion heater is lightweight and small, easy to carry when you go camping. As standby water heater of combined boiler.
YIBEICO Immersion Water Heater, 1500W Portable Bucket Heater with Digital LCD Thermometer, Anti-scalding Submersible Water Heater for Bucket/Tub/Mini Pool/Basin, Rapid Heating in Minutes
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- ️【Fast Heating】 1500W Immersion Water Heater is suitable for rapid heats water in large size container like bucket, basin, bath tub, mini inflatable swimming pool, etc. water heater can quickly heat up 5 gallons of water in minutes, d fire. saving you time and power consumption.
- ️【304 Stainless-steel Guard】Our Water Heater adopts a 304 stainless steel protective shell, protects the heating element from directly contacting persons or animals, Heat dissipates to the water faster by flowing through the holes in the guard. 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. YIBEICO heater is perfect for any cold weather application.
- ️【Widely Application】YIBEICO 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.
Immersion Water Heater, 304 Stainless Steel Anti-scalding Bucket Heater & Tub Hot Water Portable Heater, 2000W Water Trough Heater with Digital LCD Thermometer Quickly Heats Up to 5 Gallons of Water
$35.99
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- ✔HIGH POWER WATER HEATER - The electric water heater has a power of 2000W and a voltage of 110-125V. It will quickly heat 5 gallons of water with high power in a few minutes, and it will take about 30 minutes to heat the water to 104 degrees Fahrenheit (longer in winter).
- ✔ INTIMATE DESIGN - The immersion electric heater has a 304 stainless steel cover to prevent the heating element from directly contacting people and causing burns. The annular heating tube is much longer than other products, which means that the surface load tube is smaller, so it is safer and more durable. Portable design, you can enjoy hot water anytime and anywhere.
- ✔ WIDELY USED - Immersed electric water heaters can be used for different size containers such as barrels, basins, bathtubs, sinks, etc. Different from ordinary bucket heaters, this water heater is lighter and smaller in appearance, and is very suitable for concrete work, farm, car snow removal, wallpaper, winter washing, camping, travel, etc.
- GREAT GIFT - "What will you get" 1 x submersible water heater, 1 x digital thermometer, 1 x stainless steel cleaning ball, 1 x sandpaper, 1 x user manual. This is a special gift for your friends and family in winter. The electric heater will warm your world!
- ✔ AFTER SALES - Please follow the instructions and precautions before using the immersion water heater. If our products do not meet your expectations, please feel free to contact us. We provide 7 * 24 hours of customer service and 30 days of no-reason return and replacement service.
Jluang 2000W Immersion Water Heater,hot tub Heater,Portable Electrical Water Heater，with LCD Thermometer,Instant Water Heater， with and for Daily use at homeTravel Camping Hot Bathtub
out of stock
Amazon.com
as of August 2, 2025 12:47 am
Features
- 1. (Automatic power-off heating) Water heaters have an automatic power-off function, when water is heated to 158°F, the water heater (the power-off temperature of the temperature sensor is determined by the temperature sensor itself), automatically switches off and the indicator light goes out. If the power plug is not unplugged, the water will heat up again, which is wasteful.
- 2. (High-performance) 2023 new 2000W high-power power saving and energy saving, faster heating, hot water soon, etc., to meet the needs of hot water in daily life.
- 3. (Advanced safety) anti-scald design, made of 304 stainless steel, high quality stainless steel protective shell, can evenly dissipate heat, safe to use to prevent scalding containers and burns and improve durability. Self-regulating with intelligent temperature control.
- 4. (Use scenario) First fill the basin/bucket/bath with water and put the heater in, the water level must be at least submerged in the stainless steel heating tube and the temperature sensing probe part, the power cord can also be in the water. The product is safe and portable Suitable for home, school, and outdoor
- 5.(Caution) Do not touch the water while the electric water heater is heating. Beware of touching water after unplugging Water heaters must be completely submerged in water to avoid empty combustion, please read the manual before use.
The Video Review of Best water heaters for bathtub
The Verdict
When you’re looking for water heaters for bathtub, you’ll want to keep a few things in mind. First, decide what you want to use the water heaters for bathtub for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on water heaters for bathtub you want to buy water heaters for bathtub, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.