BEST UNDER SINK HOT WATER HEATERS

In this article, we will present the top 10 best UNDER SINK HOT WATER HEATERS available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!

10 BEST UNDER SINK HOT WATER HEATERS

IMAGE PRODUCT RATING PRICE
1. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) -...
2. 110V-120V Electric Mini-Tank Hot Water Heater Storage,1.5KW Kitchen Household...
3. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with...
4. Water Heater, Electric Tankless Instant Mini Kitchen Hot Water Heating...
5. 3000W Mini Electric Tankless Instant Hot Water Heater with LCD Display for...
6. InSinkErator H-HOT100SN-SS Instant Hot Water Dispenser System with Stainless...
7. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]
8. Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water...
9. Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater
10. Thermoflow UT10 2.5 Gallons Electric Mini-Tank Water Heater for Under Sinks...

Best UNDER SINK HOT WATER HEATERS

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

 in stock
17 new from $149.95
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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

110V-120V Electric Mini-Tank Hot Water Heater Storage,1.5KW Kitchen Household Compact Size Point-of-Use, Hot Water Output of 2.5 Gallon, 2 PCs 16” Long 1/2”FIP Stainless Steel Water Hoses

 in stock
1 new from $104.99
3 used from $96.59
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Features

  • 【SAFE DURABLE & LONGEVITY】Made of stainless steel and never rust,Anti-leakage plug,Multiple safety protection functions protect you from the risk of scald, leakage or other injury.Premium plastic shell is corrosion resistant,This mini hot water heater is ideal for kitchen, bar, school, hospital, community and RV.
  • 【SMART INVERTER FOR ENERGY SAVING】Automatic heat preservation and storage of hot water, 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%,Maximum temperature167℉,The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.
  • 【EASY TO USE】storage tank electric water heater with easy-to-operate knob temperature adjustment design,Easy to control warmth.Vent valve, Tee pipeline, pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.
  • 【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,8-15 minutes to heat to your desired temperature).
  • 【COMPACT DESIGN】Can be shelf, wall or floor mounted (Water inlet and outlet upward); Dimensions: 13.0''L x11.4''W x10.6''H; 9.5lbs; 1/2″NPT NPT. 1.5 kW, 110-220 volts. One-year warranty and 24H customer service support, feel free to contact us.

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

 in stock
14 new from $211.74
4 used from $161.51
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Features

  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98

Water Heater, Electric Tankless Instant Mini Kitchen Hot Water Heating Machine 110V (Red)

 in stock
1 new from $58.00
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Features

  • ●【 Instant Heating】The Water Heater offers 3 second Instant heating and 3000W output which eliminate long time waiting and save much of your time when using it.
  • ● 【 Constant Temperature Control】Constant temperature maintains the optimal water temperature for you. With LCD digital temperature display, you can freely adjust water temperature by water flow which allows simple operation.
  • ● 【Suit for Hose】The Electric Tankless Water Heater has Standard 1/2 interface, which can be directly connected to the household conventional hose connector / faucet metal hose / shower hose / shower hose.
  • ●【 Easy to Install】With a Mini body, the Tankless Water Heater is easy to install under the bathroom or kitchen sink for washing dishes, food, clothes, faces and other functions.
  • ● 【Reliable quality】The Electric Water Heater has Leakage protection, IPX4 waterproof feature, Dry heating protection, Water-electricity isolation, Auto power-off at inactive state, Over-temperature automatic power-off. Note: Please install and use according to the instructions.

3000W Mini Electric Tankless Instant Hot Water Heater with LCD Display for Home Bathroom Kitchen Washing US Plug 110V (Black)

 in stock
2 new from $85.18
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Features

  • Ⓐ NOTICE Before PURCHASE: The water heater need a larger than 32 amps circuit breaker; the outlet water temperature won't very hot because the water heater just 3KW, so it can't be used to bath or wash hair, it can be use to wash hand or use in kitchen. If it doesn't meet your require, PLEASE DON'T BUY.
  • Ⓑ SIMPLE OPERATION: Freely adjust water temperature by water flow, simple operation, you can enjoy hot water all-weather without wait. PLEASE KINDLY check the third picture which show the water flow spped and water temp.(test data)
  • Ⓒ SAFE USE: Safe heater, electricity saving, water saving, no pollution, no exhaust gas, LCD digital temperature display(℃). In order to ensure safe use, all current and voltage power problems are strictly tested to ensure product safety before leaving the factory.
  • Ⓓ HIGH QUALITY MATERIAL: Stainless construction with mini design, the connter is made of brass, the tankless water heater is durable and portable.
  • Ⓔ Use Experience: When the inlet water temperature is very low, the outgoing water is not ice, but no heat is felt; when the inlet water temperature is high, the outgoing water will be hotter. If you have high temperature requirements, please do not buy.

InSinkErator H-HOT100SN-SS Instant Hot Water Dispenser System with Stainless Steel Tank, 1, Satin Nickel

 in stock
17 new from $201.51
3 used from $107.17
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Features

  • INSTANT HOT WATER DISPENSER: This instant hot water system features a compact, push-button activated side faucet & a 2/3 gallon stainless steel tank with easy-to-adjust temperature control that delivers instant, near-boiling water.
  • STYLISH DESIGN & EASY TO INSTALL: This stylish system not only pairs well with main kitchen faucets that feature modern or transitional design lines, it is also easy to install with a single hole in your counter top and electricity under your sink.
  • HOT WATER ON DEMAND: Whether you're cooking, cleaning or preparing hot beverages, instant hot water dispensers sit on the edge of your kitchen sink ready to dispense near-boiling water when you need it. Save time, space & energy in the kitchen.115 volts
  • FASTER, CLEANER, SMARTER: From meal prep to cleanup, InSinkErator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers.
  • A HISTORY OF INNOVATION FOR THE SINK: We invented garbage disposals in 1927, & we're the world’s largest manufacturer of garbage disposals & instant hot water dispensers for home & commercial use.

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]

 in stock
15 new from $119.99
4 used from $96.31
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Features

  • 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

Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,White

 in stock
1 new from $120.99
2 used from $105.59
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Features

  • 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp 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 flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
  • 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
  • 【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. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
  • 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater

 in stock
16 new from $168.27
3 used from $96.04
Free shipping
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Features

  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • 12 A

Thermoflow UT10 2.5 Gallons Electric Mini-Tank Water Heater for Under Sinks 110V - 120V, 1.5kW at 120 Volts

 in stock
1 new from $139.99
2 used from $89.99
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Features

  • ➤ 2.6 GALLON CAPACITY - 2.6 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Stainless steel tank and heating element designed for efficiency, durability and long life service (Relief Valve has been upgraded)
  • ➤ Save Energy - Low stand-by loss power consumption. With Advanced Thermostop Technology of Germany, stop heating or reheating automatically when the water heater reaches a high or low set temperature
  • ➤ EPS FOAMING TECHNOLOGY - Heating water quickly and better insulation, fast recovery rate eliminates long waits for hot water at your sink
  • ➤ SAFE & RELIABLE - over-heat protection, auto cut-off electricity if not hot water come out, IPX24 water proof, 2.6ft plug in cord, suit for kitchen, bathroom, bar, school, hospital, office and RV.
  • ➤ NOTES - Please verify that this model is the right size for your hot water needs and electrical requirements before purchase & installation. Dimensions: 18H x 12.2W x 11D inches; Weight: 14 lbs; Water connections: 1/2 inch NPT, Electrical requirements: 1.5 kW, 120 Volts. Max pressure: 150PSI. Nominal current: 13A.