Instant Water Heater

February 17, 2020 - Leave a Comment

Are you looking for an instant water heater? Then you have come to the right place. This article will take about the best instant water heaters, so stick around and keep reading to find out.

AO Smith HSE-VAS-X-025 Storage 25-Litre Vertical Water Heater

With a capacity of 25 liters, the AO Smith instant water heater has a 5 star rating. AO Smith is one of the best brands in the industry, known for making amazing appliances, and with their latest water heater, they have managed to make a killer product. The inner tank is made with a blue diamond glass, and it will be able to hold your warm water for a long period of time without losing heat. It has a double layered protection and comes with a sleek design and an amazingly energy efficient technology.

Bajaj New Shakti GL 25-Litre Vertical Storage Heater

The Bajaj instant water heater is a high quality product that comes under two variants, one with a 10 liter capacity and the other with a 15 liter capacity. Its inner tank is coated with a glass line that is free from any corrosion while the plastic body of the water heater makes it a very lightweight appliance. It also comes with PUF insulation to ensure that the water remains hot for a sufficiently long period.

Crompton Amica ASWH-2015 15L Storage Water Heater

The Crompton instant water heater has a total storage capacity of 15 liters. It is a very safe appliance to operate and comes with a range of useful features that will make your life more convenient.

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Best Instant Water Heater Deals

Tankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin

Image of Tankless Water Heater Electric 110V, 3000W Instant Electric Water Heater, Under Sink Water Heater with Digital Display, On Demand Hot Water heater Electric for Kitchen Bathroom Washin

$59.68 @ Amazon.com

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Key Features

✅ ✔ ELECTRIC TANKLESS WATER HEATER - This tankless electric water heater is made of high-quality ABS material, with LED display. With 3000W power, the mini water heater can raise the water by 82° F(0.3GPM) -131° F(0.5GPM) in seconds, providing tankless instant, continuous hot water without waiting for preheating, meeting daily hot water needs. The on demand water heater can set Fahrenheit or Celsius degrees by holding a power button for 6 seconds.
✅ ✔ COMPACT AND EFFICIENT DESIGN - The electric water heater tankless adopts an ultra-thin and smooth appearance design, which is beautiful and elegant. The point of use water heater can meet your outlet temperature requirement. The Larger the water flow, the lower the outlet temperature; The smaller the water flow, the higher the outlet temperature. Not Suitable for Shower(Shower normally requires at least 1.8 GPM). Under sink water heater 110v plug in.
✅ ✔ SAFETY INTELLIGENCE RELIABLE - This under sink hot water heater has multiple protection functions. Water and electricity isolation, IPX4 waterproof, leakage protection, dry boil protection, and automatic power off under overheating and inactivity. Prevent leakage and water pipe corrosion. The thermal efficiency of instant hot water heater is as high as 98%, allowing you to enjoy hot water at any time and save energy.
✅ ✔ EASY TO INSTALL AND APPLICATION - Our instant hot water heater under sink compact design, it is very suitable for every corner of your home. This 110 volt water heater comes with premade fixing screw holes, an English manual, and 1/2 inch NPT standard interface. This small water heater is ideal for spaces such as kitchens, apartments, bathrooms, RVs, and camping. TIP: Install vertically to avoid malfunction of the heating elements (E2).
✅ ✔ IMPORTANCE FOR INSTALLATION - ① The 110v water heater is vertical installation only, no horizontal installation is allowed, to avoid malfunction of the heating elements (E2). ② The electric tankless water heaters tighten the pipe connectors with Teflon tape to prevent a short circuit (E2). ③ This tankless hot water heater is recommended to be connected with wires with a cross-sectional area of ≥ 2.5 square millimeters, and connected to trip switches of over 32a for use.

Product Details

Brand:	xwdzswgs
Model:	Water Heater Electric
Color:	White
Dimensions:	4.32 X 4.32 X 7.86 Inches

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

$209.73 @ Amazon.com (Save 13%)

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Key Features

✅ CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
✅ LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
✅ INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
✅ FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
✅ EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Product Details

Brand:	BOSCH
Model:	7738004996
Size:	2.5 Gallon
Color:	White
Dimensions:	13.75 X 13.75 X 13.75 Inches
Warranty:	6 year warranty on unit, 2 year warranty on parts

ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius

Image of ECOTINYMACH 110V Tankless Water Heater Electric, 3000W Compact Water Heater Under Sink, Conveniently Convertible Between Fahrenheit and Celsius

$59.99 @ Amazon.com

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Key Features

✅ Compact Design: ECOTINYMACH's tankless water heater is designed with a compact footprint, offering an efficient solution for heating water without consuming unnecessary space.
✅ Convertible Temperature Scale: Unique feature of our heater allows you to switch between Fahrenheit and Celsius temperature scales conveniently, enabling you to monitor the water temperature in a scale that suits you best.
✅ Easy Installation: Designed with simplicity in mind, our tankless water heater can be installed quickly and easily, saving you time and effort.
✅ Electric and Energy Efficient: Being electric and tankless, this water heater from ECOTINYMACH is not only efficient but also environmentally friendly, helping you save on your energy bills and reduce your carbon footprint.
✅ Installation instructions: Circuit breaker ≥ 32AMP, thread size: 1/2 "NPT, wire requires 2.5mm ² (13AWG),

Product Details

Brand:	ECOTINYMACH
Model:	XY-FB
Color:	White
Dimensions:	4.53 X 2.36 X 7.87 inches

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

$189.99 @ Amazon.com (Save 36%)

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Key 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.Amperage Draw : 54 A.Special Features: ‎Energy Efficient
✅ 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

Product Details

Brand:	EcoSmart
Model:	ECO 11
Size:	12 x 8 x 4
Color:	White
Dimensions:	3.75 X 8 X 11.5 Inches
Warranty:	Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.

Tankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink, On Demand Hot Water Heater Electric with Digital Display, Electric Mini Water Heater for Kitchen Bathroom Washin

Image of Tankless Water Heater Electric 110V, 3000W Instant Water Heater Under Sink, On Demand Hot Water Heater Electric with Digital Display, Electric Mini Water Heater for Kitchen Bathroom Washin

$49.68 @ Amazon.com

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Key Features

✅ ✔ MINI INSTANT HOT WATER HEATER - This 110 volt water heater is equipped with state-of-the-art technology, with 3000W power, LED display. The electric tankless water heater 110v can raise the water by 82° F (28°C) (0.3GPM) -131° F( 55 °C) (0.5GPM) in 3-5 seconds, saying goodbye to long waiting times for hot water. The tankless electric water heater can set Fahrenheit or Celsius degrees by holding a power button for 6 seconds.
✅ ✔ SAFETY INTELLIGENCE RELIABLE - This under sink water heater has multiple protection functions. IPX4 waterproof, leakage protection, dry-burning protection, automatic power-off in over-temperature and inactive states. Tankless hot water heater electric can meet your outlet temperature requirement. Large water flow means low temperature and small water flow means high temperature. TIP: Install vertically to avoid malfunction of the heating elements (E2).
✅ ✔ LIGHTWEIGHT PORTABLE DESIGN - This small water heater compact design, is suitable for installation in the bathroom, kitchen under the sink, etc. The on demand water heater adopts a wall-mounted design, freeing up valuable space for your home, enjoy hot water at any time. This instant hot water heater under sink qualifies for ETL standard, you can expect the outstanding performance of this point of use water heater in the coming years.
✅ ✔ EASY TO INSTALL AND APPLICATION - This under sink instant water heater comes with premade fixing screw holes, an English manual, and 1/2 inch NPT standard interface. This small electric water heater is ideal for spaces such as kitchens, apartments, bathrooms, RVs, and camping. The comfortable water temperature generated by this 110V water heater is suitable for cleaning food, bowls, clothes, face, hands, etc.
✅ ✔ QUALITY WARRANTY & IMPORTANT NOTE - We provide a 24-month warranty for the electric water heater tankless. If you encounter any after-sales issues regarding the small hot water heater, you can always contact our electric tankless water heaters support team. Tip: This electric hot water heater is recommended to be connected with wires with a cross-sectional area of ≥ 2.5 square millimeters, and connected to trip switches of over 32a for use.

Product Details

Brand:	xwdzswgs
Model:	CS-RSQ-US
Color:	White
Dimensions:	4.33 X 4.33 X 7.87 inches

14kW Tankless Water Heater Electric, ORBEK 240 Volt On Demand Instant Hot Water Heater, with LED Digital Display, ETL Certified, Up to 3.38 GPM for 2-3 Point of Use

Image of 14kW Tankless Water Heater Electric, ORBEK 240 Volt On Demand Instant Hot Water Heater, with LED Digital Display, ETL Certified, Up to 3.38 GPM for 2-3 Point of Use

$281.98 @ Amazon.com

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Key Features

✅ Note: Things to know before buying, Our Orbek tankless water heater electric 14kw requires a 240V/60AMP two-pole breaker, 1 set of 6 AWG wires and 1/2" NPT water connections
✅ Instant Hot Water Supply: Orbek electric tankless water heater 240v can provides up to 3.38 GPM of on demand endless hot water and ensure comfortable hot water for 2-3 points of use simultaneously
✅ High Energy Efficiency: This on demand hot water heater electric utilizes water-electricity separation to minimize scale and corrosion. It provides endless hot water in just 3 seconds with an impressive efficiency, potentially reducing electricity costs by up to 60% compared to traditional tank-style heaters
✅ Comprehensve Security Protection: The tankless hot water heater is ETL certified and packed with advanced safety features, including leakage protection, over-temperature protection, dry-heating protection and lighting resistance etc. Each product undergoes rigorous testing before leaving the factory to ensure its safety and normal operation
✅ Stable Temperature Control: The built-in chip adjusts heating power 20,000 times per second, keeping water temperature stable within 1°F for a comfortable shower experience

Product Details

Brand:	Orbek
Model:	14kW
Color:	White
Dimensions:	9.5 X 9.5 X 14.2 inches

Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater

$184.99 @ Amazon.com

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Key Features

✅ ELECTRICAL REQUIREMENTS: 1 x 30 AMP Double Pole Breaker Required. Product installation hard wired to 120 volts requiring a 30-amp breaker.
✅ SAVES SPACE: Ideal for low flow point-of-use applications, such as in a bathroom, office breakroom, wet bar, or garage. The compact size of the water heater is up to 98% smaller than a standard electric water heater.
✅ EASILY ADJUSTABLE: Thermostatic temperature controls in 1-degree increments ranging from 80 to 140 degrees Fahrenheit for on-demand, consistent hot water.
✅ INSTALLATION: Designed to be mounted in an upright position with the inlet and outlet water connections at the bottom of the unit for ease of installation with no venting required.

Product Details

Brand:	Rheem
Model:	RTEX-04T
Color:	Gray
Dimensions:	10.875 X 10.875 X 5.875 Inches

1.8 Gallon Electric Mini Tank Water Heater, 110V 1500W Point of Use On Demand Under Sink Instant Hot Water Heater for Home Kichen Bathroom

$99.99 @ Amazon.com

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Key Features

✅ 24H INSTANT HOT WATER - Our mini tank water heater delivers hot water instantly at your sink. With a mini tank, it provides instant hot water on demand, reducing wait times and water waste. The high-density polyvinyl chloride integral foaming process can uniformly heat the entire internal storage tank, improving durability and performance.
✅ SAVING ENERGY & TEMPERATURE CONTROL - Our under sink water heater has a temperature adjustment range of 77 ℉ -176 ℉ (25 ℃ -80 ℃). You only need to rotate the knob on the electric water heater panel according to your needs. When the water temperature in the instant hot water heater is below 77 ℉/25 ℃, the mini tank water heater will be in standby mode, maximizing energy and power savings. The adjustable thermostat allows you to set your desired water temperature, providing maximum comfort and convenience.
✅ EASY USE & SAFETY MATERIAL - With a mini tank compact design, can be wall or floor mounted under sink or counter. The exterior of the small tank water heater is made of ABS material, and the internal tank body is made of stainless steel material, achieving the separation of water and electricity, ensuring that you can safely use the point of use under sink water heater, which ensures fast heating speed of the water heater.
✅ APPLICABLE SCENARIOS - Our under sink water heater, with its outstanding performance and wide applicability, has become the ideal choice for various scenarios, including homes, hotels, restaurants, and hospitals, ensure a reliable 24-hour hot water supply in the cold winter.
✅ WHAT YOU GET - You will receive a high-performance electric storage water heater with a complete accessory kit and a detailed instruction manual. NOTE: To avoid installation errors that may affect your use, please have a professional install this water storage heater.

Product Details

Brand:	Nessxa
Model:	YYJ24039-1
Color:	White
Dimensions:	16.46 X 16.46 X 9.45 inches

2025 Gen II Ranein 2.5-Gallon Electric Mini-Tank Water Heater, 120V, 1440W Instant Hot Water for Point-of-Use, Quick and Easy Installation, Compact Under-Sink or RV Design, Floor Mounting

Image of 2025 Gen II Ranein 2.5-Gallon Electric Mini-Tank Water Heater, 120V, 1440W Instant Hot Water for Point-of-Use, Quick and Easy Installation, Compact Under-Sink or RV Design, Floor Mounting

$159.00 @ Amazon.com

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Key Features

✅ Efficient Rapid Heating Technology: Equipped with a 1440W molybdenum-gold heating rod, this water heater delivers an exceptional 99% thermal efficiency, enabling swift hot water delivery and rapid temperature recovery. The adjustable temperature range spans from 86°F to 167°F for precise control.
✅ Space-Optimized Modern Design: Featuring a sleek, compact design (13.8"x9.8"x10.2"), this tankless unit is engineered for seamless integration under sinks or within cabinetry. Its versatile mounting options include floor installation or concealed under-sink placement, offering superior space efficiency compared to traditional tank heaters.
✅ Simplified Installation Process: Designed for effortless setup with standard 1/2" NPT water connections and 120V AC power (1440W). Includes a 43" power cord with plug connectivity and operates safely at up to 150 PSI water pressure. A 15-amp circuit breaker is recommended for compliance with electrical safety standards, making it ideal for residential, RV, and outdoor applications.
✅ Robust Construction for Longevity: The triple-layer inner tank—comprising an enamel coating, high-density reinforcement, and decarburized steel plate—ensures superior corrosion resistance, leak-proof durability, and extended operational lifespan.
✅ Reliable Safety and Support: Engineered with multi-protection safety features, including IPX4 waterproof rating and high-temperature/pressure resilience. Backed by a 3-year warranty and dedicated customer service for uninterrupted peace of mind.

Product Details

Brand:	Ranein
Model:	RC25G
Color:	Gray
Dimensions:	13.78 X 13.78 X 10 inches

110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)

Image of 110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)

$99.98 @ Amazon.com

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Key Features

✅ 【Rapid Temperature Recovery】The BISELONG water heater is made from 0.04inch (1.1mm) thick 304 stainless steel and uses laser welding technology, ensuring it never rusts, withstands high pressure, and doesn't leak! The 1500w "L" shaped heating element increases the heat exchange area with the water in the tank, speeding up the heating process and eliminating the long wait for hot water beside the sink! (It can heat up to your desired temperature in 8-15 minutes for up to two sinks at a time).
✅ 【Energy-Saving Smart Inverter】Automatically keeps water warm and stores hot water. The compact 2.5-gallon tank can be installed under the sink, with a thermal efficiency of 99% and a maximum temperature of 149℉. It has a built-in smart chip that heats to the temperature you set, and when it reaches the desired temperature, it automatically insulates to keep the heat in.Additionally, it helps reduce scale buildup!
✅ 【Compact Design Saves Space】BISELONG has always been committed to original design! Its compact, square design makes this water heater ideal for homes, under sinks, RVs, food trucks, and more. It can be installed in cabinets or used in conjunction with washing machines and dishwashers. The product dimensions are 13.0''L x 11.4''W x 10.6''H inches.
✅ 【Easy Installation】Water connection tube is 1/2''FPI, electrical requirements: 120v (AC), single voltage: 1500w with plug connection wire, maximum water pressure 108PSI, recommended circuit breaker rating: 15Amps, BISELONG electric water heater can be installed on walls or floors, in a concealed position.
✅ 【Safety protection】 Certified by CE, ROHS, and FCC for safety and reliability. Electrical insulation at the entrance/exit. Leak proof plug. High quality insulation material with high temperature limiting device and automatic temperature control. Multi layer protection ensures safety.

Product Details

Brand:	BISELONG
Model:	BI-2.5
Color:	White
Dimensions:	11.2 X 11.2 X 11.8 inches

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Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater

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1.8 Gallon Electric Mini Tank Water Heater, 110V 1500W Point of Use On Demand Under Sink Instant Hot Water Heater for Home Kichen Bathroom

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2025 Gen II Ranein 2.5-Gallon Electric Mini-Tank Water Heater, 120V, 1440W Instant Hot Water for Point-of-Use, Quick and Easy Installation, Compact Under-Sink or RV Design, Floor Mounting

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110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)

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