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10 Best small hot water heaters of 2026
Save up to 18% off
Best Choice1
thermomate9.7Exceptional
ThermoMate Mini Tank Water Heater Electric, 6.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, UL Listed ES700
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maximum flow rate: 6.5 Gallons Per Minute
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color: white,blue
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batteries included: No
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special feature: Plugin to 120V outlet to use, Corrosion resistant tank
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amperage capacity: 12 Amps
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Value for Money2
GE9.6Exceptional
GE Appliances 2.5 Gallon, Versatile Mini Tank Water Heater with Adjustable Thermostat, Easily Installs Under Sink, 120v, GE02P08BAW
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3
Bosch9.5Excellent
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
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maximum flow rate:N/A
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color:White
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batteries included:No
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special feature:Lightweight
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amperage capacity:N/A
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4
KENUOS9.4Excellent
KENUOS Under Sink Instant Hot Water Heater,2.5 Gallon Mini Tank Water Heaters with LED Display,1500W 120V Small Water Heater 1/2" NPT for RV,Kitchen,Compact Design with T&P Valve,3-Way Fitting Valve
14% Off
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5
Fisoceny9.3Excellent
Fisoceny 2.5 Gallon Mini Tank Water Heater Under Sink Hot Water 1500W 120V Water Heaters for RV Kitchen RV 1/2”NPT Stainless Steel Hose 3-way Fitting White
14% Off
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6
VEVOR9.2Excellent
VEVOR Electric Tank Water Heater, 6 Gallon, 1600W Point-of-Use Hot Water Heater with LED Display, Knob Control, Top Outlet, 120V Storage Design with T&P Valve for Studio Apartments, RVs, Gray
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7
Feelrogast9.0Excellent
Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Blue, Wall or Floor Mounted
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8
Fisoceny8.9Very Good
Fisoceny 2.5 Gallon Water Heater Under Sink Instant Hot Mini Tank Water Heaters 110V 120V Small Hot Water Heater,1500W Rv Compact Mini Water Heater Kitchen Mini Water Heater 1/2" NPT Black
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maximum flow rate:N/A
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color: Black&white
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batteries included: No
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special feature: Easy to Install, Rustproof, Overheat Protection, Pressure Release Valve, High Water Pressure Protection
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amperage capacity:N/A
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9
KENUOS8.8Very Good
KENUOS 4 Gallon Water Heater Under Sink Instant Hot Water Heaters 1500W 110V 120V Mini Tank,Under Counter Water Heater with Safety Vavle 1/2" NPT for Kitchen,Bathroom,Camper,RV,White
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maximum flow rate: 0.45 Gallons Per Minute
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color: White
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batteries included: No
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special feature: Easy to Install, Waterproof, Dry Combustion Protection, Overheat Protection, Pressure Release Valve
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amperage capacity:N/A
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10
Cuisinart8.7Very Good
Cuisinart PerfecTemp 1.7-Liter Electric Kettle, Cordless Electric Tea Kettle, 1500W for Fast Heat-Up, 6 Preset Temperatures, 30-Minute Keep Warm, Stay Cool Nonslip Handle, CPK-17P1
18% Off-
Keep Warm Duration:30 minutes
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Cordless Design:360° swivel connector base
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Capacity:1.7-liter
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Preset Temperatures:6 (160°F to 200°F)
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Handle Type:Stay Cool Nonslip Handle
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