This article reviews the top-rated immersion heaters for quickly heating bath water. We compared leading brands like Camplux, EcoSmart and Thermeau across key factors like power, safety features, ease of use, etc. Whether you want a powerful heater for a deep soaking tub or a compact unit for small baths, we’ve got you covered.
Read on for our picks of the best electric immersion heaters to transform your bathtub into a home spa. We’ll also provide tips from home renovation experts on choosing the perfect heater wattage and installing your unit safely.
HISVICON Immersion Water Heater Bucket Heater 1500W Portable Water Heater for Bathtub
The HISVICON Immersion Water Heater Bucket Heater is a portable water heating device designed specifically for bathtubs. It is not suitable for use in swimming pools. The heater has a rated power of 1500W, which allows it to heat up to 5 gallons of water quickly. The outer shell of the heater is made from high-quality stainless steel, featuring a porous design that ensures good thermal conductivity and does not hinder heat transmission. The device also includes a bold copper wire, which enhances conductivity and prevents burnout.
The product comes with several safety warnings. To prevent electric shock, users are advised not to touch the water during use. The heater must be completely immersed in water before being powered on. The thermometer probe should be placed at the top of the water, not the bottom, for accurate temperature readings. The power must be disconnected before removing the heater from the water. Users are also warned against plugging two heaters into the same outlet to avoid fire hazards. The heater should be placed sideways at the bottom of the tub for optimal performance, and it should not be used continuously for more than 3 hours.
The product dimensions are 11.81 x 1.18 x 1.18 inches, weighing 1.05 pounds. It was first available on July 17, 2021, and is manufactured by HISVICON. The product originates from China and is sold by shaoguanjiebangjianzhugongchengyouxiangongsi. It is eligible for return, refund, or replacement within 30 days of receipt.
Customer reviews for the product vary, with ratings ranging from 1.0 to 5.0 out of 5 stars, resulting in an average rating of 3.6 out of 5 stars based on 1,154 ratings. One customer review highlighted its effectiveness in heating a 100-gallon stock tank for ice baths, turning it into a hot tub. The product is priced at $24.99 and includes free shipping and returns.
LIVEBAY Immersion Water Heater, Quick 1500W Submersible Water Heater with Stainless Steel Guard Temp Indicator Thermostat for Hot Tub.
The LIVEBAY Immersion Water Heater is a portable bucket heater that provides quick and efficient heating for bathtubs, pools, and other water-filled containers. This 1500W immersion water heater is equipped with a stainless steel guard that not only ensures the safety of users by preventing direct contact with the heating element but also aids in the rapid dissipation of heat into the water.
One of the critical features of this product is its temperature detector, which allows users to monitor the water temperature during operation. However, it’s important to note that the monitor should not be submerged in water. The heater is designed to be fully immersed in water during operation and should not be used continuously for more than three hours to avoid overheating.
The LIVEBAY Immersion Water Heater is easy to use; place it in a container filled with water, ensure the heater’s protective cover is completely submerged, and plug it into a properly grounded 120V AC power outlet. The power indicator in the plug will confirm that the heater is on and working to heat the water until it boils.
This product is made of high-quality, heavy-duty 304 stainless steel, making it sturdy, durable, and capable of multiple damage-free uses. It is also safe for use with any container material and will not cause any damage during the heating process.
The LIVEBAY Immersion Water Heater is designed for use in the US, and international users may require an adapter or converter due to differences in outlets and voltage. The product is eligible for return, refund, or replacement within 30 days of receipt if returned in its original condition.
Customer reviews highlight the product’s effectiveness in heating water quickly and its convenience for use in various settings. However, some users have reported issues with the temperature detector and the “ON” indicator light. Despite these minor issues, the LIVEBAY Immersion Water Heater remains popular for its efficiency, safety features, and ease of use.
HASTER 2000W Immersion Water Heater for Inflatable Pool Bathtub
The HASTER 2000W Immersion Water Heater is a versatile and efficient device designed for heating water in various containers such as inflatable pools, bathtubs, and buckets. It has a 304 stainless steel guard that prevents rusting and ensures safety by preventing burns. The heater has an LCD thermometer that allows users to monitor the water temperature easily.
This immersion water heater can heat 5 gallons in just a few minutes, making it ideal for outdoor activities like camping. However, it’s important to note that this heater is unsuitable for large swimming pools. For a 150L capacity, the recommended heater is a 2000W model, which would take around 3 hours to heat the water to 104F. For smaller capacities, the heating time is significantly reduced; a 50L tank would take about half an hour, while a 100L tank would take around 1.2 hours.
The HASTER immersion water heater is easy to use; immerse it in water and connect it to a power supply. However, it’s crucial to ensure the heater is completely submerged in water during use and removed once heated. The manufacturer advises against using the heater for more than 3 hours continuously.
This product is also portable and lightweight, making it an excellent choice for both home use and outdoor activities. Despite its compact size, it delivers high performance and rapid heating. It is priced at $35.88 and has received a customer rating of 3.9 out of 5 stars.
2000W Immersion Water Heater, Heat 5 Gallons of Water in Minutes Immersion Heater
The 2000W Immersion Water Heater is a portable and efficient device designed to heat water quickly. It is ideal for small, inflatable swimming pools, bathtubs, and buckets, making it a versatile tool for summer and winter. The heater is unsuitable for large swimming pools and should not be used continuously for more than two hours.
This immersion heater has an LCD thermometer and a stainless steel guard for safety. It is equipped with two heating tubes for faster heating and improved efficiency. The heater also features a thick copper wire that can carry more power, ensuring its durability and reliability.
The product is designed with user safety in mind. It is recommended to fully immerse the heater in water before turning it on, and users are advised not to touch the water while the heater is in use. The heater also comes with a stainless steel protective cover to prevent direct contact with the heating element and avoid accidental injury.
Despite being marketed as a 2000W heater, a user review suggests it operates at around 1500W. This discrepancy does not affect the heater’s performance, as it can still heat a 44-gallon tub to a high bath temperature of 105F in about 6.5 hours.
The manufacturer, MIXILIN, was founded in 2015 and is known for its commitment to improving and upgrading its products based on user feedback. They aim to provide high-quality, durable products that offer a good experience for every user.
Immersion Water Heater, Electric Submersible Water Heater
The Immersion Water Heater, Electric Submersible Water Heater, is a portable and efficient device designed to heat up to 5 gallons of water in just a few minutes. It operates at a power of 1500W and requires a 120v/110v power supply. The heater has a stainless steel guard cover that prevents direct contact between the heating element and users or animals, ensuring safety during use. This cover also facilitates faster heat dissipation into the water.
The operation of this immersion heater is simple: it needs to be fully immersed in water at an appropriate level and then plugged into any grounded wall outlet. The package includes a bucket heater, a digital thermometer, a manual, steel wool, and sandpaper.
This versatile product can be used in various settings, such as portable bathtubs, pools, ponds, water troughs, and bucket heaters. It is particularly effective for heating water in large containers like buckets, basins, bathtubs, and mini inflatable swimming pools.
However, there are certain precautions to be taken while using this product. It should not be used continuously for more than 3 hours, and two heaters should not be plugged into the same outlet to avoid fire hazards. Also, the heater should be removed from the water before touching the water to prevent burns.
Customer reviews indicate that the product is generally well-received, with users appreciating its fast heating capabilities and ease of use. However, some users have reported missing pieces and short cord length issues. The product has an overall rating of 4.1 out of 5 stars.
IYUNP Immersion Water Heater with Thermostat
The IYUNP Immersion Water Heater with Thermostat is a 1500W floating bucket heater designed for various applications. It features a timing temperature control setting and an auto shut-off function for safety. The heater is made from durable stainless steel and is sleek black.
The heater is designed to float on water, making it safer. It has a digital display for the thermostat, available in Fahrenheit. The heater is easy to operate; set the timing and temperature using the sizeable 3-button interface.
The heater is portable, measuring 15.3x2x2 inches, and comes with a 79-inch long heater wire. It operates at a voltage of 120V and can heat 5 gallons of water in a few minutes. However, it’s important to note that people should not be in the water while the heater works.
This immersion water heater is suitable for heating water in bathtubs, pools, buckets, and other large containers. It’s beneficial for heating water in mini inflatable swimming pools, basins, and buckets.
For safety, the heater should be properly immersed in water before turning it on and unplugged before removal. Continuous use for more than two hours is not recommended. Also, plugging two heaters into the same outlet should be avoided to prevent fire hazards.
The product is priced at $44.99, and a 5% coupon is available for application at checkout. It’s sold by IYUNP-US and fulfilled by Amazon.
Customer reviews are mixed, with some praising its efficiency and others criticizing its temperature control feature. Some users have found it helpful in keeping water hot in workshops, while others have reported issues with the product stopping working after one use. Overall, it rated 4.1 out of 5 stars based on 38 ratings.
Immersion Water Heater, Electric Submersible Water Heater
The Immersion Water Heater, Electric Submersible Water Heater, is a portable and efficient device designed to heat up to 5 gallons of water in just a few minutes. This product, available on Amazon, has a stainless steel guard cover that prevents direct contact with the heating elements, ensuring user safety. A 1500W motor powers the heater with a 59-inch heavy-duty, water-resistant power cord for stable operation.
One of the critical features of this immersion water heater is its automatic power-off function. When the water temperature reaches 160-170 ℉, the heater automatically stops heating until the water temperature drops to 122 ℉. This feature helps reduce power waste and ensures energy efficiency.
The heater is easy to operate; submerge it in water and plug it into any grounded wall outlet. It’s versatile and can heat water in containers like buckets, basins, bathtubs, and even mini inflatable swimming pools. However, users are advised not to use the heater continuously for more than 3 hours and to always ensure it is fully submerged in water when connected to the power supply.
This immersion water heater has been designed to comply with UL standards. It is recommended to heat a maximum capacity of 50 gallons of water per use, with a maximum current of 14.1A. A 14AWG (1.63mm) cable is recommended if an extension cable is required.
Customer reviews indicate that the product works well for various purposes, including heating inflatable pools and providing warm water for camping showers. However, some customers have noted that the power cord could be longer for practical use in larger spaces like bathtubs. Despite this, the product has received favorable ratings for being easy to install and use and for offering good value for money.
HASTER 2000W Rapid Heating Square Immersion Water Heater for Inflatable Pool Bathtub
The HASTER 2000W Rapid Heating Square Immersion Water Heater is a high-powered, portable device designed to heat water quickly and efficiently. It is primarily used for inflatable pools and bathtubs but can also be used in other containers like buckets and basins. The heater is equipped with a 304 stainless steel guard that prevents rusting when immersed in water for extended periods and protects users from direct contact with the heating element, thereby preventing burns.
This immersion water heater features an advanced square design and can warm 5 gallons of water in just a few minutes. It comes with a digital LCD thermometer that allows users to monitor the water temperature easily. The heater is easy to use; it must be fully immersed in water and connected to a power supply. However, it is recommended that continuous use should not exceed 3 hours.
Safety is a key focus of this product. Users are advised not to touch the water while the heater is in use and to ensure sufficient water level before plugging in the device. The heater should be unplugged and removed from the container once the water is hot. It is also important to note that two heaters should not be plugged into the same outlet.
The HASTER 2000W Rapid Heating Square Immersion Water Heater is versatile and portable, making it suitable for home use and outdoor activities such as camping. However, if used in larger outdoor inflatable pools, more than one heater may be required for efficient heating. The product is not recommended for use in large swimming pools or metal containers.
This immersion water heater is priced at $39.99 and is sold by HUSTLE TECH on Amazon. It has received mixed customer reviews, with an average rating of 3.3 out of 5 stars. Some users have praised its fast heating capabilities, while others have reported issues with its durability and effectiveness in heating larger volumes of water.
Immersion Water Heater, GESAIL 1500W Submersible Immersion Water Heater
The GESAIL 1500W Submersible Immersion Water Heater is a high-powered, portable device designed to heat water quickly and efficiently. It operates at 120V and requires a 16A outlet due to its 12.5A current. The heater can heat 5 gallons of water in just a few minutes, making it a time-saving solution for various applications.
The immersion heater is equipped with a heavy-duty 304 stainless-steel guard that protects the heating element from direct contact with people or animals and aids in faster heat dissipation into the water. This guard is rust-proof and durable, ensuring long-term use.
Operating the heater is simple. It must be placed in a container filled with water, ensuring the heater shield is fully covered. Once plugged into a properly grounded 120V AC outlet, the unit begins to heat the water.
This versatile immersion water heater can be used in different-sized containers such as buckets, basins, bathtubs, and mini inflatable swimming pools. However, it is essential to ensure the container can hold boiling water or unplug the device before it reaches boiling point. This makes it perfect for winter tasks like car washing, heating farm animals’ water, or warming tiling water on job sites.
The product comes with a full one-year warranty against defects, and the package includes a bucket heater, a wire brush, and a manual. It has received positive customer reviews for its ease of use and effectiveness, with an overall rating of 4 out of 5 stars. However, some customers have raised concerns about the durability of the internal heating element.
Memoryee Immersion Water Heater Portable Electric Stainless-Steel Heaters
The Memoryee Immersion Water Heater is a portable, electric, stainless-steel heater designed for submersion in water. It is ideal for travel, camping, hot bathtubs, and mini inflatable pools. The heater is equipped with a Fahrenheit water temperature gauge that allows users to monitor the water temperature and end the heater’s operation when the desired temperature is reached.
The product comes with a digital LCD thermometer for easy water temperature measurement. It also features a waterproof indicator on the back of the heater that lights up red when it is in operation. The bottom of the heater has an insulator, and it is fitted with a smooth stainless steel guard to prevent scalding injuries.
The heater’s guard is made of anti-rust stainless steel, designed to prevent direct contact with the heating elements and provide maximum protection against accidental injuries. The power cord is made of high-quality copper in a thickened design to carry more electricity without causing overheating, smoke, or fire, thus enhancing safety during use.
The Memoryee Immersion Water Heater is available in different models, including black and yellow heaters, square immersion water heaters, and square immersion water heaters with power switches. All models are rated at either 1500W,120V or 2000W,120V and are suitable for use in buckets, tubs, mini pools, and basins.
The heater is easy to use; immerse it in water at the proper level and plug it into any grounded wall outlet. However, it is essential to note that the heater must be completely immersed in water during operation. It should not be used continuously for more than three hours to avoid overheating and potential fire hazards.
The Memoryee Immersion Water Heater is a highly rated product, with an average rating of 4 out of 5 stars from 581 global ratings. Customers have praised its effectiveness in heating water quickly and its ease of use, although some have cautioned about the need to follow safety instructions carefully to avoid accidents.