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
$155.29
in stock
15 new from $145.00
as of August 24, 2021 11:33 am
Amazon.com
$191.31
$277.00
in stock
8 new from $191.31
6 used from $149.95
as of August 24, 2021 11:33 am
Amazon.com
$112.11
in stock
2 used from $84.08
as of August 24, 2021 11:33 am
Amazon.com
$113.99
in stock
5 used from $85.49
as of August 24, 2021 11:33 am
Amazon.com
$69.99
$79.99
in stock
3 new from $69.99
3 used from $54.96
as of August 24, 2021 11:33 am
Amazon.com
$139.99
in stock
2 new from $139.99
2 used from $124.35
as of August 24, 2021 11:33 am
Amazon.com
$149.99
$169.99
in stock
2 new from $149.99
as of August 24, 2021 11:33 am
Amazon.com
Last updated on August 24, 2021 11:33 am

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
15 new from $145.00
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as of August 24, 2021 11:33 am

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

APCOM UT1 Under Sink Instant Hot Water Recirculating Pump for Tank Type Water Heaters

 in stock
Amazon.com
as of August 24, 2021 11:33 am

Features

  • Instantly Experience Hot Water - Enjoy the comfort and convenience of hot water in your home without the wait.
  • Energy & Cost Efficient - The most energy efficient circulator on the market that reduces waste and costs associated with the consumption of water.
  • Fully Automatic Operation - This under sink recirculation system is controlled with a built-in thermostat and timer to conserve water. The pump typically runs three to four times per hour for one to two minutes.
  • For technical support or installation questions, contact (833) 232-9706. One Wrench Installation - Kit includes stainless steel pump, 2 braided hoses, 2 tees and all necessary fittings. Installs under sink in less than 10 minutes. Pump is designed for indoor installation. No plumber required.
  • Without Dedicated Return Line - Designed for single pipe system homes without an existing hot water return line and up to 250 ft of household piping. Works with standard hot water tank or indirect water heater. Electrical outlet required under sink.

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

 in stock
8 new from $191.31
6 used from $149.95
Free shipping
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as of August 24, 2021 11:33 am

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
  • Warranty and Certifications; Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed

Electric Hot Water Heater 110-120V Compact Mini-Tank Storage,Rv Small Output 2.5-3.0 Gallon, 1.5KW Kitchen Instant Under Sink Point-of-Use, RV 1 PCs 16” Long 1/2”FIP Stainless Steel Water Hoses

 in stock
2 used from $84.08
Free shipping
Amazon.com
as of August 24, 2021 11:33 am

Features

  • 【SAFE DURABLE & LONGEVITY】304 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】Digital Display,Automatic heat preservation and storage of hot water, 3.0 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: 18.0''L x12.6''W x10.2''H; 8.86lbs; 1/2″NPT NPT. 1.5 kW, 110-120 volts. One-year warranty and 24H customer service support, feel free to contact us.

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
5 used from $85.49
Free shipping
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as of August 24, 2021 11:33 am

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.

Tankless Water Heater - 3000W Mini Electric Instant Water Heater Under Sink with LCD Display for Home Kitchen Washing US Plug 110V, 7.87 x 4.13inch Wall Mounted (Gold) 30-55℃

 in stock
3 new from $69.99
3 used from $54.96
Amazon.com
as of August 24, 2021 11:33 am

Features

  • 【Eastbuy TANKLESS WATER HEATER 】 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.
  • 【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
  • 【 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.
  • 【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.
  • 【 USE EXPERIENCE】30-55℃ (Considering the use environment in severe cold areas may not reach the maximum temperature of 55℃) .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.

Camplux Mini Tank Electric Water Heater 1.3 Gallons Hot Water Heaters 120V, Under Sink Water Heater with Cord Plug 1.44kW

 in stock
2 new from $139.99
2 used from $124.35
Free shipping
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as of August 24, 2021 11:33 am

Features

  • HIGH QUALITY & LONG LAST - The mini water heater has UL listed and uses a glass-lined tank with good insulation, and freezing mode can prevent the water tank from freezing, ensure a long service life
  • EASY TO INSTALL & USE - Small water heater's dimensions 11.4 W × 11.4 H × 9.7 D inches can be shelf, wall, or floor-mounted (bracket included); Connect the water pipe, after filling the water tank, 43.3" cord plugs into the power supply (120V/12A), and it can be used normally
  • OVERHEAT PROTECTION - When the water temperature of the water heater exceeds 203°F, the electric hot water heater will automatically shut down. Protect the safety of you and your family
  • ADJUSTABLE TEMPERATURE - The point of use water heater has 3 temperature level settings, range from 68°F to 140°F. Thermal efficiency up to 99%
  • CONVENIENT HOT WATER - No need to wait for hot water at the sink, get on-demand hot water at your every need

Camplux Tankless Water Heater Electric with LED Display 120V Instant Water Heaters Under Sink 3.5kw TE04

 in stock
Amazon.com
as of August 24, 2021 11:33 am

Features

  • Smart&Considered Design: Small water heater designed with smart touch control & LED display, mini size, perfect for under sink installation. The minimum water flow for activation just need 0.4 GPM (Only for one sink)
  • Multi-angled Mounting: The compact size instant electric water heater requires a connection of 1* 40A circuit breaker & 10 AWG wire. Install close to outlet for energy saving. Can be mounted Multi-angled, ideal for kitchen, wet bars, school, hospital, hair salon and boats. Please make sure it is the right size for you: 3.5kW at 120V, product dimensions 7.8" x 6.3" x 3.9", water pipes fitting: 1/2" NPT male
  • Reliable&Durble: The 3.5kW tankless water heater comes with 5 protections. NFS approved, offer lead-free water. ETL safety certified, leakage and overheat protection device to ensure your safety. Stainless steel and copper component for high efficiency and durability
  • Consistent Hot Water -On demand water heater only heats the water when you need it and no waiting for preheat.The temperature rise of 1.0 GPM is 55°F. Easy to get hot water between 85°F - 131°F in seconds. Enjoy instant and endless hot water
  • Rotatable LED Display: 120V tankless water heater features an upgrade rotatable digital temperature display and touch control panel, show you the easy reading output water temperature at real-time and setting ideal temperature just by finger. Note: This mini water heater is only suitable for sink use, not for bathing

thermomate Mini Tank Electric Water Heater ES250 2.5 Gallons Point of Use No Wait for Hot Water Under Kitchen Sink 120V 1440W, Wall or Floor Mounted

 in stock
2 new from $149.99
Free shipping
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as of August 24, 2021 11:33 am

Features

  • No More Wait for Hot Water - Point of use 2.5 gallons mini tank water heater provides instant hot water where you need it with fast recovery, reducing standby loss. Thermal efficiency up to 99%
  • Easy Installations - Dimensions 12.95"W x 12.95"H x 11.5"D compact design, can be wall or floor mounted under sink / counter, plug into a standard 120V outlet, no special wiring required. Nominal current 12amps
  • Adjustable Temperature - Thermostat with 3 temperature level settings, range from 50°F to 149°F with high temperature limit protection, also a freeze mode to prevent tank from freezing
  • Premium Quality & Durable - Enamel Coating Glass-lined tank for great insulation and preventing leaking, CSA T&P Relief valve CASH USA made, UL certified ensuring a safe long service life
  • Specifications and Warranty - Dimensions: 12.95"H x 12.95"W x 11.5"D; Weight: 15.4 lbs; Water connections: 1/2" NPT, Electrical requirements: 1.44 kW at 120 volts, plug-in connection with 2 feet power cord; Max water pressure: 150PSI; Nominal current: 12A. 3-year Limited Warranty for the tank, 1-year warranty for parts and 24hours customer service

AellerSen Mini Tank Electric Water Heater Instant Heating,2.1 Gallons 1.5KW Domestic Water Heater Temperature Adjustable,Electric Water Heater With Digital Display Under Kitchen Sink Easy to Install

 in stock
Amazon.com
as of August 24, 2021 11:33 am

Features

  • Instant Heating: Use 2.1 gallon mini water tank water heater to provide instant hot water, heating water only when needed, no need to wait for preheating, high-power 1500W rapid heating, hot water can be obtained in a few seconds.
  • Digital Display: Knob operation, stepless temperature adjustment, and antifreeze mode to prevent the storage tank from freezing. The real-time temperature is displayed on the display screen, which is clearly visible, convenient and caring.
  • Double Protection: Double protection of high temperature leakage, three-pole power-off protection device can make the product intelligently power off under special circumstances, ensuring your safety in use. Safer and more secure to use.
  • Reliable Durable: new technology, through thickening the surface of steel plate for enamel plating, withstanding higher temperature range changes, lasting heat preservation, no pollution, and prolonging service life.
  • Install Easily: Lightweight and compact, it can be shelving, wall-mounted or floor-standing. The size is 11.34 * 10.24 * 11.34 "(28.8 * 26 * 28.8cm). It can be installed on the floor, shelf or wall to save space.