If you’re looking to buy a new portable bathtub heater and still confused about which one is best.

Then you’re in the right place because Our team has spent more than 50 hours researching, comparing, and testing the different options available in the market nowadays to be able to compile the following list of picks for the best portable bathtub heater you can purchase right away from Amazon.

First, here are our picks for today along with our research score for each item.

Top 10 best portable bathtub heater (Our Favorites)

Now, let’s take a look at each item of the best portable bathtub heater, in order to know the different features & benefits of each pick.

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

$34.99
$29.99
 in stock
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • 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.

Immersion Water Heater for Boiling Bath Water,Portable Electric 304 Stainless Heater Outdoor with Guard Cover -LCD Thermometer,for MotorhomeTub Buckets ,Boils 5 Gallon Bucket of Water in Minutes (A3)

$28.99  in stock
2 new from $28.99
1 used from $28.49
Free shipping
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • Good Quality Portable Water Heater: Immersion water heater runs with energy-saving .Imersion heater boils 5 gallon water in minutes . All you need to do is just put bucket heater in to the water and plug the bathtub warmer, very easy to use.
  • 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 of submersible water heater help release heat into the water faster.
  • Easy to Use: Place 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 water warmer in a few minutes!
  • Wide Application: The electric immersion heater can be used in water, fit for bucket, basin, bath tub, etc.This immersion heater is handy and super lightweight, making it warmer any grounded wall outlet. Then the 1500 immersion heater can start working.
  • Warning: The camping 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!

Soundfair Immersion Water Heater for Boiling Bathtub Water, Heavy Duty Submersible Bucket Water Heater with Metal Guard Cover to Heat 5 Gallons of Water in Minutes - U.S. Version

$29.99  in stock
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • Fast Heating: The 1500w 120V high power fast heating portable water heater, it can quickly convert electrical energy into heat after power on, it can heat 5 gallons of water in minutes, easily save your time.
  • Safety: The holes on the guard of submersible bucket heater help release heat into the water faster. High-quality copper wires can carry high-power current, and will not cause overheating, smoke or fire during using, to ensure safety.
  • Easy to Operate: Place the immersion heater into a container, make sure the water is always full cover the heater, and connect it to a 120V power supply without much fuss.
  • Widely Use: This heater can be used for small in-ground swimming pools, buckets, sinks, bathtubs; heating water heaters for livestock in the winter. It can also be used in a variety of settings: construction, farms, car washes, etc.
  • Please Note: 1. Do not plug two camping water heaters into the same outlet to avoid fire. 2. Remove the immersion heater before touching the water. 3.Please immersed it in water completely.

Pool Heater 1500W Portable Barrel Heater Immersion Heater Immersion Water Heater Bathtub Water Heater Inflatable Pool Heater for Home/Outdoor School

$28.98  in stock
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • 【Quick Heating】Electric water heater soaked in water to heat 5 gallons of water in minutes. Just put the heater in the water and connect an easy-to-use power source. 1500W electric heater makes hot water heating more efficient.
  • 【High quality and safety】The submersible water heater adopts a high-quality stainless steel protective cover, which effectively prevents the direct contact between the heating body and humans and animals, and heats the water through the small holes on the protective cover to accelerate the discharge. Durable and reusable protection holes dissipate heat into the water faster.
  • 【Easy Operation】Easy to carry, immerse in water at the proper level, then plug into any grounded wall outlet. The 1500W immersion water heater starts working when the red light is on.
  • 【Meet various needs】Suitable for container bathtub, plastic bucket plastic bathtub, inflatable pool, bathtub, foot bath. Enjoy a very comfortable bath in the cold season, or boil water in a heater and soak your feet to warm yourself up.
  • 【Safe use】When the electric water heater is heating, do not touch the water directly with your hands. Be careful not to touch the water heater after unplugging it! The water heater should be fully submerged to prevent burning. Please read instructions before use

GAMTOOCA 1500W Immersion Heater,Electric Portable Bucket Heater Stainless-steel Cover Submersible Water Heater with Digital Thermometer for Inflatable Pool Bathtub,Basin, Fully Immersed While Using

 out of stock
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • 【Warning Tips】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!
  • 【Instant Hot Water Heater】1500w,120v submersible electric heater makes water heating more efficiency and save more energy.Portable immersion heater will quickly heats water in few minutes.
  • 【High Quality & Durable】GAMTOOCA bucket heater is made of heavy duty 304 stainless-steel.The metal protective cover with hole can release heat into the water faster and effectively prevent the heating element is in direct contact with people or animals.The thicker copper cord can carry more electricity.
  • 【Widely 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. Portable and lightweight. Perfect for travels,road trips,camping or dormitory.
  • 【Easy & Safe to Use】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.

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

$299.00
$223.06
 in stock
21 new from $223.06
3 used from $175.78
Free shipping
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

Lewis N. Portable Immersion Water Heater + Electric Kettle Alternative for Coffee, Tea + Hot Chocolate, Camping, Travel + Office w/Travel Adapter, White, 120/240v

$15.99
$13.98
 in stock
3 new from $13.98
1 used from $11.13
Free shipping
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • HEATS FAST + SIMPLE TO USE: You’ll have warm water in seconds, boiling water in just minutes. Fill your container, place the immersion heater in the liquid, then turn on the immersion heater. It’s that simple.
  • MAXIMUM SAFETY: Durable burn guard protects your coffee mug, cups, and bowls ensuring the coils never touch the sides of your dishes or containers. Safely heat coffee, tea, soup, hot chocolate, and more.
  • TRAVEL ADAPTER: Powered with a dual voltage system, (120 V for North America, and 240 V for Europe and other regions), and includes a European adapter and travel pouch; perfect for all your domestic and international travel needs
  • VERSATILE: Perfect coffee and tea heater at the office, at home, or while you travel. Wonderful addition to your camping accessories. Compact, lightweight, and portable. No need for a bulky electric kettle
  • PERFECT GIFT: Hunter, outdoorsman, traveler, coffee or tea lover, Christmas, birthday, house warming gift, or for the person who already has everything! Keep at home, at the office, in the camper, or in your suitcase

WOODBRIDGE B-0030 Bathtub, White

$1,659.00  in stock
9 new from $1,659.00
Free shipping
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • ✅ [WHIRLPOOL AND AIR BUBBLE]: WOODBRIDGE Deluxe acrylic Freestanding bathtub combine with Whirlpool and Air Bubble Jets in one tub
  • ✅ [JETS QUANTITY]: 6 adjustable body massage jets and 10 whirlpool bubble bath jets for maximum bather comfort, The perfect mix of air and water delivers a powerful , yet comfortable hydro massage.
  • ✅ [HIGH PERFORMANCE PUMP]:Pump with approved motor . Innovative technology enables this pump to provide a strong, steady level of hydro-massage; Power Requirements:2 Dedicated 15AMP 110V GFCI Breakers
  • ✅ [AIR MASSAGE]: Gentle Air Massage, immerse yourself in thousands of tiny air bubbles, and relax to a soft tissue massage that aids in pain relief, muscle relaxation, and promotes oxygen and blood flow in your body.
  • ✅ [STAINLESS STEEL JETS]: Stainless Steel sanitary full-draining jets , underwater chromotheraphy light, Spaciously designed to provide maximum bathing space with a wide and deep bathing well

EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology

$499.00
$363.33
 in stock
17 new from $360.99
5 used from $262.26
Free shipping
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire

WOODBRIDGE 71" x 31 1/2" Whirlpool Water Jetted and Air Bubble Freestanding Bathtub , B0034

$1,799.00  in stock
5 new from $1,799.00
Free shipping
Amazon.com
as of May 16, 2022 7:23 pm

Features

  • ✅ [WHIRLPOOL AND AIR BUBBLE]: WOODBRIDGE Deluxe acrylic Freestanding bathtub combine with Whirlpool and Air Bubble Jets in one tub
  • ✅ [JET QUANTITY]: 6 adjustable body massage jets and 10 whirlpool bubble bath jets for maximum bather comfort, The perfect mix of air and water delivers a powerful , yet comfortable hydro massage.
  • ✅ [HIGH PERFORMANCE PUMP]:Pump with approved motor . Innovative technology enables this pump to provide a strong, steady level of hydro-massage; Power Requirements:2 Dedicated 15AMP 110V GFCI Breakers
  • ✅ [AIR MASSAGE]: Gentle Air Massage, immerse yourself in thousands of tiny air bubbles, and relax to a soft tissue massage that aids in pain relief, muscle relaxation, and promotes oxygen and blood flow in your body.
  • ✅ [STAINLESS STEEL JETS]: Stainless Steel sanitary full-draining jets , underwater chromotheraphy light, Spaciously designed to provide maximum bathing space with a wide and deep bathing well