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. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with...
3. Electric Hot Water Heater 110-120V Compact Mini-Tank Storage,Small Output...
4. Ariston Andris 2.5 Gallon 6-Year 120-Volt Corded Point of Use Mini-Tank...
5. Tankless Electric Hot Water Heater 220/240V under sink Kitchen Household,...
6. Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater
7. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt
8. thermomate Mini Tank Electric Water Heater ES150 1.3 Gallons Point of Use...
9. Thermoflow UT10 2.5 Gallons Electric Mini-Tank Water Heater for Under Sinks...
10. Ready Hot 40-RH-200-SS Instant Hot Water Dispenser, Stainless Steel Tank Only

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 $157.54
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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

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

 in stock
15 new from $206.45
5 used from $185.57
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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

Electric Hot Water Heater 110-120V Compact Mini-Tank Storage,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
1 new from $109.99
1 used from $104.49
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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.

Ariston Andris 2.5 Gallon 6-Year 120-Volt Corded Point of Use Mini-Tank Electric Water Heater

 in stock
1 new from $129.99
1 used from $120.85
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Features

  • EASILY ACCESSIBLE HOT WATER: Compact designed 2.5 gallon mini tank. Provides instant hot water at point of use. 6 year limited warranty on tank, 2 year warranty on parts. Wall or floor mounted unit (wall brackets & rubber feet included).
  • DO IT YOURSELF INSTALLATION: 1440-Watt heating element draws 12 Amps. 65-161°F temperature range. Easy installation thanks to a standard 120-Volt outlet.
  • CAN FIT VIRTUALLY ANYWHERE: Dimensions (pipes included): 14.25"W x 14.25"H x 10.75"D; Water Connection: 1/2" NPT
  • ELECTRICAL CONNECTION: Plug-in; Relief Valve: Factory Installed; Recommended Circuit Breaker Size: 15A
  • QUALITY YOU CAN COUNT ON: TitanShield, exclusive technology that fully protects the tanks inner surface against corrosion. Robust environmentally safe foam insulation to increase energy efficiency. Eliminates the need for a recirculation line.

Tankless Electric Hot Water Heater 220/240V under sink Kitchen Household, Small Compact Instant No Standby Losses,Hot Water Output of 1.8 GPM,2 PCs 16” Long 1/2”FIP Copper Head Hose(White 7KW) (White)

 in stock
1 new from $89.99
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Features

  • 【ENDLESS WATER HEATER】3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 131 ℉. Tankless electric water heater on demand suits for sinks and bathroom( meet bathing needs except extremely cold winter such as 28℉).
  • 【SMART INVERTER FOR ENERGY SAVING】The hot water heater built-in smart chip to scientifically calculate the minimum required power based on the water flow and temperature thus costing less energy and money. Save up to 70%. The water flow rate and temp is stable under chip's control.
  • 【SAFE DURABLE & LONGEVITY】Multiple safety protection functions protect you from the risk of scald, leakage or other injury. Premium tempered glass shell is corrosion resistant, high-grade and easy to wipe. This mini hot water heater is ideal for kitchen, bathroom, bar, school, hospital, community and hair salon.
  • 【EASY TO USE】 The electric tankless water heater comes with digital display & touch control panel for visual setting. Shower head, water valve, pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.
  • 【COMPACT & POINT-OF-USE】It is surprised that this electric hot water heater can be installed 360°(no matter mounted horizontally, vertically & obliquely). Dimensions: 7.4″L x2.5″W x11.0″H; 5.13lbs; 1/2″NPT NPT. 7.0 kW, 220-240 volts. One-year warranty and 24H customer service support, feel free to contact us.

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

 in stock
27 new from $149.00
1 used from $123.28
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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

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt

 in stock
17 new from $144.50
7 used from $127.16
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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

thermomate Mini Tank Electric Water Heater ES150 1.3 Gallons Point of Use Water Heater for Instant Hot Water Under Kitchen Sink 120V 1440W

 out of stock
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Features

  • No More Wait for Hot Water - Point of use 1.3 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 11.42" x 11.42" x 9.65" 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 77°F to 140°F with high temperature limit protection, also a freeze mode to prevent tank from freezing
  • Premium Quality & Durable - Glass-lined tank for great insulation, temperature and pressure relief valve included, UL listed, ensuring a long service life
  • Specifications and Warranty - Dimensions: 11.42"H x 11.42"W x 9.65"D; Weight: 11 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

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
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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 - Overheating 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.

Ready Hot 40-RH-200-SS Instant Hot Water Dispenser, Stainless Steel Tank Only

 in stock
1 new from $155.00
1 used from $116.24
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Features

  • READY HOT INSTANT HOT WATER DISPENSER: The Ready Hot instant hot water dispenser can dispense 60+ cups of near boiling water per hour with adjustable temperature from 140 to 200 degrees
  • QUALITY COMPONENTS: The 2. 5 quart stainless steel under sink hot water tank comes with a 110-volt 1300-watt stainless steel heating element and stainless-steel inlet and outlet tubes
  • TANK ONLY: This listing is for the tank only. You can purchase an open vented faucet separately, but please make sure it is compatible with the tank before installing
  • HOT WATER ON DEMAND: Ideal for home, office, restaurants, cafeterias, or wherever instant hot water is needed. Make instant hot tea, coffee, soup, oatmeal or cook noodles al dente. Also great for loosening stubborn jar lids and warming baby bottles.
  • AUTOMATED TANK PROTECTION: The automated water heater includes a self-resetting thermal fuse that prevents tank burnout in case of accidental dry startup