Electric instant water heater in comparison
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Last updated on 20.10.2026
1
Rheem RTEX-06T, 6.5kw Professional Classic 240V Point of Use Thermostatic Tankless Electric Water Heater
Rheem
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9,9
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2
14kW Tankless Water Heater Electric ORBEK On Demand Heater 240V 3.38GPM | 3s Instant Heating, 98% Efficient. LED Shows, 3.38 GPM, ±1℉ Precise Control, ETL Certified
Orbek
9% off
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9,8
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3
27kW Tankless Water Heater Electric, NOVIEEX 240V 3s Instant Hot Water Heater, Flow Rate Max 7.4 GPM, Supply for 3-4 Points, Indoor Installation, Heavy Duty Ideal for Whole House Use
NOVIEEX
32% off
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9,8
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4
Ranein 13kW Tankless Electric Water Heater, Max 3.1 GPM, 240V, LED Display
Ranein
10% off
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9,6
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5
APUS 18kW Tankless Water Heater Electric, 240V, Up to 4.4 GPM, 3s Instant | LED Display, 86–131°F, Self-Modulating, Supply for 2–3 Points, Indoor Installation, Space Saving Design, 99.8% Efficiency
APUS
13% off
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9,5
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6
VEVOR Electric Water Heater, 18 Gallon Tank Instant Hot Water Heater, 1.6KW Tankless Water Heater with Knob Control, IPX4 Waterproof Side Connection On Demand Heaters for Shower, Bath
VEVOR
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9,5
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7
12KW Electric Tankless Water Heater 240V, Self Modulating White Unit
GREATBEAR
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9,5
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8
14kW Tankless Water Heater Electric 240V, Sink & Shower,Gray | ETL Certified, 3s Instant Heating, 99.8% Thermal Efficiency, LED Shows Inlet/Outlet Temp, GPM & kW, ±1℉ Precise Control
SIVUATEK
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9,5
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9
Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for Kitchen, Bathrooms, Offices, 120V 1500W, Wall or Floor Mounted
Feelrogast
18% off
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9,5
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10
GE Appliances 2.5 Gallon, Versatile Mini Tank Water Heater with Adjustable Thermostat, Easily Installs Under Sink, 120v, GE02P08BAW
GE
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9,4
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You might also be interested in these electric instant water heater.
5% off
Electric Mini Tank Water Heater UL Listed, ThermoMate 2.5 Gallons Small Under Sink Water Heater for Point of Use Instant Hot Water 110V 120V, Wall or Floor Mounted, ES250
【No Wait for Hot Water】- 2.5 gallons water heater provides instant hot water on demand with fast recovery, 1440W 120V Plug in to use. Adjustable temperature range from 50°F to 149°F. 50% increase in thermal insulation with 30mm thick overall CFC-Free polyurethane to keep the warmth of hot water for longer time
$ 180.49
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Westinghouse Tankless Water Heater Electric 18kW 240V Wifi Whole House Use | Max 4.2GPM Digital LED display Scale Inhibitor Copper Element Compact Smart Wifi Compatible with Alexa and Google Home ETL
Specs at a Glance: 18kW / 240V / 75A / 0.5-4.2 GPM / 3/4" NPT connections; Temperature Range 86-140°F(30-60°C); Dimensions: 18.7"×3.94"×14.17" ; Amperage Draw: 75 A — professional installation recommended; Special Features: energy efficient
$ 479.99
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15% off
Fogatti Tankless Water Heater Electric 14kw 240V Max 3.3GPM 2 Point Use ETL | LED Display Knob Control ±1℉ Precise Temp Control 3s Instant Heating Compact Design Fits tight spaces 2 Points of Use
NOTE:Be sure to understand the wire usage requirements first. Fogatti 14kW 240V tankless water heater electric requires 1 x 60 AMP Two-pole Circuit Breaker and 1-set of 6 AWG wires.Water connection 1/2" NPT. Product size 14.3" x 9.6" x 3.5".
$ 203.98
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9kW Electric Tankless Water Heater 240V, Up to 2.2 GPM ETL | WiFi On-Demand Water Heater for Under-Sink Use, Self-Modulating Heating Maintains Stable Water Temperature Within 1°F
Important Note: Before purchasing, please ensure this unit meets your installation requirements. The WM9 model is rated at 9kW (240V) with a maximum current of 37.5A. It requires 1 × 40 Amp double-pole breaker and 1 set of 8 AWG wiring for installation, with 1/2" NPT water connections(Hardwired installation is required)
$ 219.98
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21% off
Electrolux 8kW Tankless Water Heater Electric 240V Under Sink CSA Certified | Smart WiFi & Alexa Control, Instant Hot Water Under Sink, 1.97 GPM, Point of Use Space-Save, Energy-Saving Water Heater
Instant Hot Water Heater 240V: On Demand Water Heater No waits! 8kW heating tech delivers stable, continuous flow ideal for handwashing, dish rinsing, and sink use – no preheating tanks needed. With a 77°F temperature rise, it provides 1.97 GPM and a maximum temperature of 104°F
$ 229.99
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Vancepic Gen II 7.0-Gallon Electric Mini Tank Water Heater, 120V 1440W | Instant Hot Water for Point-of-Use, Quick and Easy Installation, Compact Under-Sink or RV Design, Floor Mounting
Efficient Rapid Heating Technology: Equipped with a 1440W molybdenum-gold heating rod, this water heater delivers an exceptional 99% thermal efficiency, enabling swift hot water delivery and rapid temperature recovery. The adjustable temperature range spans from 86°F to 167°F for precise control.
$ 239.00
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Senville Electric Tankless Water Heater, 18KW, 240V
ENDLESS HOT WATER ON DEMAND – The Senville 18KW Tankless Electric Water Heater provides instant and continuous hot water, making it an ideal solution for homes, apartments, and light commercial applications.
$ 299.99
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Stiebel Eltron Tempra 29 Plus Electric Tankless Water Heater, 28.8kW, 240V
On demand a continuous and unlimited supply of hot water
$ 816.53
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14% off
EcoSmart POU 4T 3.5kW 120v Thermostatic Point of Use Tankless Electric Water Heater
Perfect fit to provide hot water for point-of-use or low-flow applications.
$ 154.00
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15% off
Tankless Water Heater Electric 36kW 240V 3s heating Whole House Shower | Copper Cup Heating Element LED Display built-in chip Compact Design Fits Under Sink Wall Mount Cabinet 5-6 Points of Use
Note: MIZUDO 36kw 240V tankless water heater electric requires 4 pcs of 40 AMP two-pole breakers, 4 sets of 8 AWG wires and 3/4" NPT water connections. With a compact size of 17.1"H x 18.5"L x 3.7"W, our electric hot water heater saves over 87% of space compared to traditional tank water heaters, fitting easily into most corners of your home.
$ 560.99
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Mini Tankless Water Heater Under Sink, 3kW 120V Plug-in, LED Digital Display with Big Control Knob, IPX4, Multiple Safety Features, 1 Point of Use, 30-55℃ Thermostatic Electric Instant Water Heater
Note: This 3kW 120V mini water heater is designed for low-flow use only, not suitable for showers or multiple taps at once. The output water temperature is affected by many factors, including the water heater wattage (heating capacity), inlet water temperature and water flow. For a better warm water use experience, we recommend that you consider our higher wattage model 6kW 240V first, which is hard-wired
$ 179.99
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LECLOC Mini Tankless Instant Water Heater Under Sink, 3kW 120V Plug In, LED Digital Display with Control Knob, IPX4, Multiple Safety Features, 30-55℃ Thermostatic 1 Point of Use Electric Water Heater
Note: This 3kW 120V plug-in water heater is designed for low-flow use only, not suitable for showers or multiple taps at once. The output water temperature is affected by many factors, including the water heater wattage (heating capacity), inlet water flow and water temperature. For a better warm water use experience, we recommend that you consider our higher wattage model 6kW 240V first, which is hard-wired
$ 179.99
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