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

$181.18
@ Amazon.comCONVENIENT 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 DetailsBrand: | Bosch Thermotechnology |
---|---|
Model #: | 7738004996 |
Warranty: | 6 year warranty on unit, 2 year warranty on parts |
Size: | 2.5 Gallon |
Color: | White |
Dimensions: | 13.75 X 10.75 X 13.75 Inches (Length X Width X Height) |
Price: | $181.18 |
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

$223.06
@ Amazon.com (Save 25%)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
Product DetailsBrand: | EcoSmart |
---|---|
Model #: | ECO 11 |
Warranty: | Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages. |
Size: | 12 x 8 x 4 |
Color: | White |
Dimensions: | 3.75 X 8 X 11.5 Inches (Length X Width X Height) |
Price: | $223.06 (Save 25%) |
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

$580.76
@ Amazon.com (Save 6%)ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
Bottom 3/4" NPT water connections
On demand, consistent and continuous hot water
Product DetailsBrand: | Rheem |
---|---|
Model #: | RTEX-24 |
Color: | Gray |
Dimensions: | 18.25 X 14.5 X 3.5 Inches (Length X Width X Height) |
Price: | $580.76 (Save 6%) |
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch

$189.71
@ Amazon.com (Save 5%)Can provide hot water for one sink at 0.5 GPM in warmer climates
Requires 1 x 30 amp breaker and 10 AWG wire
For one sink at 0.5 GPM in colder climates the POU 6 is recommended
Amperage Draw 29 amp. kW - 3.5 kW
Connection Fittings 1/2" NPT
Max temperature rise @ .5 GMP is 47.8°F Max temperature rise @ 1GPM is 23.9°F Max temperature rise @ 1.5 GPM is 15.9°F
Product DetailsBrand: | EcoSmart |
---|---|
Model #: | POU 3.5 |
Warranty: | 1 Year Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages. |
Size: | 6 x 11 x 3 Inch |
Dimensions: | 6 X 11 X 3 Inches (Length X Width X Height) |
Price: | $189.71 (Save 5%) |
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch
RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control Included (Black)

$549.99
@ Amazon.comNo more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.
There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.
There is a low water pressure startup, which helps to protect the heater and make it easier to use.
Product DetailsBrand: | RecPro |
---|---|
Color: | Black |
Price: | $549.99 |
RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control Included (Black)
Propane Tankless Water Heater Indoor, Camplux 5.28 GPM Instant Gas Hot Water Heater for Whole House, 120V AC, White

$599.99
@ Amazon.comTankless Water Heater. No need to wait 30 minutes for preheating and limited use of hot water like with a tank water heater. Enjoy unlimited hot water flow throughout the house.The instant hot water heater is suitable for 2-3 outlets for the whole family.
Energy & Space Efficient. This gas tankless water heater has a space-saving design conserves energy as it heats only when necessary. With a UEF of over 0.82, the high energy conversion rate can effectively reduce energy loss, saving the family energy and money.
Optimal Water Pressure. Hot water heater with 5.28 GPM and 150,000 BTU heating capacity through propane gas intake. High-performance up to 5.28 GPM hot water flow rate for a powerful, constant stream.
Installation Tips. The instant water heater does not include vent pipe ( try Camplux model CP-70 ), hot and cold isolation valves, please purchase separately, professional installation recommended.
Multiple Safety Protection. CSA certified in the United states and Canada. The gas hot water heater features 6-in-1 multiple safety protections, you don’t need to drain the water during frozen winters.
Quality Guaranty. Camplux offers 2 years of service and you can contact us directly by email if you encounter any problems. We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.
Product DetailsBrand: | CAMPLUX |
---|---|
Model #: | CA528-LP |
Warranty: | 1 Year Warranty |
Size: | Liquid Propane |
Color: | White |
Dimensions: | 22.2 X 14 X 5.9 Inches (Length X Width X Height) |
Price: | $599.99 |
Propane Tankless Water Heater Indoor, Camplux 5.28 GPM Instant Gas Hot Water Heater for Whole House, 120V AC, White
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology

$240.67
@ Amazon.com (Save 14%)The product is highly durable
The product is easy to use
Manufactured in China
Heating elements are durable and are threaded for easy replacement
Activation Flow - 0.3 GPM
Product DetailsBrand: | EcoSmart |
---|---|
Model #: | ECO 8 |
Warranty: | Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages. |
Size: | 12 x 8 x 4 |
Color: | White |
Dimensions: | 3.7 X 8 X 11.5 Inches (Length X Width X Height) |
Price: | $240.67 (Save 14%) |
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology
Natural Gas Tankless Water Heater, FOGATTI Indoor 6.3 GPM, 145000 BTU White Instant Hot Water Heater

$599.00
@ Amazon.comWe recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.
The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
145,000 BTU high heating capacity and maximum 6.3 GPM. It is suitable for 2-3 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
Fogatti provide free replacement within 60 days, and 5 years warranty on heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs extra from 61 days.
Product DetailsBrand: | FOGATTI |
---|---|
Model #: | FDG370INA-NG |
Size: | 145,000 BTU, Maximum 6.3 GPM |
Color: | White |
Dimensions: | 26.2 X 17.1 X 7.3 Inches (Length X Width X Height) |
Price: | $599.00 |
Natural Gas Tankless Water Heater, FOGATTI Indoor 6.3 GPM, 145000 BTU White Instant Hot Water Heater
Hot Water Heater,110V 3000W Mini Electric Tankless Instant Hot Water Heater Bathroom Kitchen Washing (US Plug)(Black)

$47.67
@ Amazon.com【SELLER TIPS】Those who mind will buy with caution! ! !The heating power of this product is constant, the temperature is adjusted by the water flow regulating valve or the tap switch, the high temperature of the water flow is low, and the low temperature of the water flow is high. According to our actual tests, the outdoor water temperature is low, and the water flow should not be too large, which is suitable for daily washing. Those who mind will buy with caution! ! !
【INSTANT & SUFFICIENT HOT WATER】The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. Applied with 3000W heating system, the electric water heater supplies instant, consistent and endless hot water shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flowing rate and temp setting in real time. thus you still get ideal temperature instead of scalding hot water, which means comfortable experience, simple operation. It is recommended that the product be washed in winter for hand washing, dish washing, face washing and other scenes;Those who mind will buy with caution! ! !
【Eco & Electric & Water Saving】 Safe heater, save up to 55% on your electric cost, water saving, no pollution, no exhaust gas.The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. It is recommended that the product be washed in winter for hand washing, dish washing, face washing and other scenes.
【SAFE AND DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Safe heater, electricity saving, water saving, no pollution, no exhaust gas.The temperature is adjusted by the water flow regulating valve or the tap switch.Those who mind will buy with caution! ! !
Product DetailsBrand: | Antilog |
---|---|
Color: | Black |
Dimensions: | 0.393700787 X 0.393700787 X 0.393700787 Inches (Length X Width X Height) |
Price: | $47.67 |
Hot Water Heater,110V 3000W Mini Electric Tankless Instant Hot Water Heater Bathroom Kitchen Washing (US Plug)(Black)
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology

$424.43
@ Amazon.com (Save 15%)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
Lifetime warranty for residential use
Product DetailsBrand: | EcoSmart |
---|---|
Model #: | ECO 18 |
Warranty: | Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages. |
Size: | 17 x 14 x 3.5 |
Color: | White |
Dimensions: | 3.625 X 14 X 17 Inches (Length X Width X Height) |
Price: | $424.43 (Save 15%) |
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology