20 Best 110 Volt Tankless Water Heater (2023 Update)
Are you looking for the Best 110 Volt Tankless Water Heater? If so, you’ve come to the right place.
Choosing the Best 110 Volt Tankless Water Heater can be difficult as there are so many considerations, such as A. O. Smith, Eccotemp, Eemax, Noritz, Rheem, Rinnai, Stiebel Eltron, Amazon.com – Seller. We have done a lot of research to find the Top 20 Best 110 Volt Tankless Water Heater available.
The average cost is $232.91. Sold comparable range in price from a low of $62.99 to a high of $654.99.
Based on the research we did, we think Rheem RTEX-04 Electric Tankless Water Heater is the best overall. Read on for the rest of the great options and our buying guide, where you can find all the information you need to know before making an informed purchase.
20 Best 110 Volt Tankless Water Heater (20 Sellers)
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- On demand, consistent and endless hot water
- Compact and stylish with digital temperature control in increments of 1°f ranging from 80°f to 140°f
- 99.8% energy efficient. external controls to adjust temperature in increments of 1°f
- German-designed with high quality stainless steel water channel and heating chamber.
- Requires (1) 60 amp breaker and must be installed by a professional plumber or electrician to ensure safety and quality.
- Marey's eco line can maintain 98% efficiency level throughout their lifetime.
- Endless hot water
- Space savings
- Energy saving, ul compliant & etl lead free certified
- Provides continuous hot water for ultimate convenience
- Patented self modulating technology and design
- Designed with standard and reliable easy to service elements and hea
- Provides continuous hot water for ultimate convenience.
- Patented self modulating technology and design.
- Energy and cost savings: heats water only when it is needed for savings of up to 50% on water heating costs when used in a point-of-use application
- Space savings: small compact design fits perfectly in tight places like under cabinets and sinks
- Easy to maintain: durable easy-to-replace heating elements
- On demand hotwater heater for ideal for whole house
- Electric water heater with no hot water tank
- Black+decker black+decker 24 kw self-modulating 4.68 gpm electric tankless water heater, multi-application hot water heater electric
- Stores up to 2.5 gal. of water to supply hot water rapidly
- It easy and straight-forward to install and includes an appliance line
- Ideal for buffer and point-of-use applications
- Serves 2 sinks + 1 shower
- Simple and secure operation
- Easy and quick installation
- Extremely compact design saves space
- Major energy savings
- Unlimited supply of hot water
- 15-year limited heat exchanger, 5 yrs limited parts residential use
- Energy factor of 0.82 for natural gas or liquid propane
- Maximum btu input 140,000
- Tankless water heater
- 54 max amps
- Water heaters 1,440 w, amps
- Water heaters 12 a, voltage
- Water heaters 120, min. flow activation 0.2 gpm, phase
- Dimensions:7.4" x 5.4" x 3.4" ; weight: 3.0lbs; pipes fittings :1/2" npt, electrical requirements: 3.5 kw, 120 volts, nominal pressure: 150psi. nominal current:29a. required breakers:1x 2-pole…
- 【constant temperature】constant temperature maintains the optimal water temperature for you.
- 【compatibility】suitable for universal water pipe: 1 / 2 inch diameter (inflow or outflow).
- 【application】easy to install under the bathroom or kitchen sink for washing dishes, food, clothes, faces and other functions.
- 【safe to use】our domestic tankless electric water heaters have been rigorously tested and have multiple protection functions: water and electricity isolation, ipx4 waterproof, leakage protection,…
- Those who mind will buy with caution! ! ! the heating power of this product is constant, the temperature is adjusted by the water flow regulating valve or the tap switch, the high temperature of…
- 【newly upgraded water heater】the 2022 new instant water heater adopts tempered glass screen, healthy 304 stainless steel waterway, and smart chip to improve heating stability. with multiple…
- 【newly upgraded water heater】the 2022 new instant water heater adopts tempered glass screen, healthy 304 stainless steel waterway, and smart chip to improve heating stability. with multiple…
- Simple intelligence: tankless water heater can be operated by the remote control and button, and the led screen displays the temperature in real time. quick heating: you can heat the product…
1. Rheem Rtex-04 Electric Tankless Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Point-of-Use |
Water Heater Application | Undersink |
Commercial / Residential | Both |
Watts – Water Heaters | 3500 |
Amps – Water Heaters | 29 |
Voltage – Water Heaters | 120 |
Min. Flow Activation | 0.30 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 59 Degrees to 140 Degrees F |
Standards | UL 499, CSA |
Elements | Lead-Free Replaceable Cartridge Insert |
Amps AC | 29 |
Water Connection | 1/2" NPT |
Default Temperature | 120 Degrees F |
Height to Top of Vent Connection | 5.88" |
Mounting | Wall |
Pressure Range | 25 to 150 psi |
Temp. Rise @ 6.0 GPM | Limited to Thermostatic Setting |
Residential / Commercial | Both |
Voltage | 120 VAC |
Height to Top of Heater | 5.88" |
Temp. Rise @ 0.5 GPM | 48 Degrees F |
Wire Size | 10 AWG |
Vent Type | Tankless Electric |
Temp. Range | 59 Degrees to 140 Degrees F |
Tank Capacity | 3.5 gal. |
Fuel Type | Electric |
Max. Flow Rate | 1 gpm |
Phase | single |
Watts | 3500 |
Minimum Flow Activation | 0.3 gpm |
Control Type | Digital Display with Keypad |
Cord Conductor Gauge | 10 AWG Wire |
Temperature Range | 80 Degrees F to 140 Degrees F |
Minimum Water Pressure | 25 psi |
Housing Material | Brass |
Environment | Indoor |
Mounting Type | Wall Mounting |
Adjustable Thermostat | Yes |
Maximum Flow Rate | 1.5 gpm |
Current | 29 A |
Element Material | Copper |
Maximum Water Pressure | 150 psi |
Power Consumption | 3,500 W |
Market | Commercial, Residential |
Operating Voltage | 120V AC |
Overall Dimensions – H x W x D | 5.88 in x 10.88 in x 2.75 in |
Cold Inlet Size | 1/2 in |
Country of Origin (subject to change) | China |
Reviews:
2. Marey Eco110 Electric Tankless Water Heater – 11kw

Product Details:
Specifications:
Required Volt Connection | 220 volt |
Application Type | Residential |
Indoor/Outdoor | Indoor |
Efficiency Level | Super High |
Fuel Type | Electric |
Amperage (amps) | 60 A |
Electricity Phase | Single Phase |
Finish Family | White |
Flow Rate @ 35°F Rise (gallons/min) | 2.25 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1.6 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 1.5 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 1.25 gal (US)/min |
Maximum Temperature (F) | 95 °F |
Minimum Activation Rate (gpm) | 0.53 |
Minimum Temperature (F) | 40 °F |
Number of Elements | 1 |
Number of Showers | 1-2 |
Pack Size | 1 |
Uniform Energy Factor | 0.98 |
Water Heater Features | Digital Display,Wall Mounted |
Certifications and Listings | ETL Listed |
Product Width (in.) | 7.5 in |
Water Connection Size (in.) | 1/2 in |
Reviews:
3. Electric Scr2 Titan N-120 Tankless Water Heater

Product Details:
Specifications:
Power Source | Electric |
Energy Star Certified | Yes |
Minimum Temperature | 55 °F |
Height | 10" |
Commercial or Residential | Residential or Commercial |
Water Connection Location | Side |
Width | 7" |
Watts | 11.8 W |
Maximum Temperature | 70 °F |
Volts | 220 V |
Maximum Pressure | 150 psi |
Water Connection Size | 1/2" |
Depth | 3" |
Product Type | Tankless Water Heater |
Tankless | Yes |
AMPS | 54 amps |
Warranty | 1 Yr |
CSA Listed | No |
Each Weight | 8.000 LB |
Velocity | B |
Hazardous Material | No |
Reviews:
4. Ecosmart 27 Tankless Electric Water Heater

Product Details:
Specifications:
Assembled Depth (in) | 3.75 in |
Assembled Height (in) | 18 in |
Assembled Width (in) | 17 in |
Assembled Weight (lbs) | 13.75 lbs |
Item is Shipped at this Packaging Level | Y |
Packaging Depth | 6.5 IN |
Packaging Height | 19.75 IN |
Packaging Width | 19.5 IN |
Package Weight | 14 |
Package Weight UOM | LB |
Net Packaged Quantity | 1 EA |
Water Heater Style | Tankless |
Manufacturer Warranty | Limited Lifetime Warranty |
Commercial / Residential | Commercial/Residential |
Flow Rate @ 45°F Rise | 4.29 gpm |
Flow Rate @ 77°F Rise | 2.39 gpm |
Gas or Electric | Electric |
Temperature Pressure Relief Valve (TPR) | No |
Water Connection Size | 3/4" NPT |
Height | 17 in |
Width | 18 in |
Weight | 13.75 lbs |
Maximum BTU | 92127.834 BTU |
Amperage (A) | 112.5 A |
Voltage (V) | 240 V |
Wattage | 27000 W |
Energy Factor | 99.8 |
ADA Compliant | Yes |
CSA Certified | Yes |
ETL Listed | Yes |
UL Listed | Yes |
Reviews:
5. Ecosmart Eco 11 Electric Tankless Water Heater

Product Details:
Specifications:
Assembled Depth (in) | 3.75 in |
Assembled Height (in) | 12 in |
Assembled Width (in) | 9.75 in |
Assembled Weight (lbs) | 7 lbs |
Item is Shipped at this Packaging Level | Y |
Packaging Depth | 6.75 IN |
Packaging Height | 13.5 IN |
Packaging Width | 10.25 IN |
Package Weight | 7 |
Package Weight UOM | LB |
Net Packaged Quantity | 1 EA |
Water Heater Style | Tankless |
Manufacturer Warranty | Limited Lifetime |
Commercial / Residential | Residential |
Flow Rate @ 45°F Rise | 1.97 gpm |
Flow Rate @ 77°F Rise | 1.15 gpm |
Gas or Electric | Electric |
Temperature Pressure Relief Valve (TPR) | No |
Water Connection Size | 1/2" CF |
Height | 12 in |
Width | 9.75 in |
Weight | 7 lbs |
Maximum BTU | 44357.846 BTU |
Amperage (A) | 57 A |
Voltage (V) | 240 V |
Wattage | 11 kW |
Energy Factor | 99.8 |
ADA Compliant | Yes |
CSA Certified | Yes |
ETL Listed | Yes |
UL Listed | No |
Reviews:
6. Rheem Performance 11 Kw Self-Modulating 2.15 Gpm Tankless Electric Water Heater

Product Details:
Specifications:
Amperage (amps) | 46 A |
Application Type | Residential |
Efficiency Level | Super High |
Electricity Phase | Single Phase |
Finish Family | Gray |
Flow Rate @ 35°F Rise (gallons/min) | 2.15 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1.67 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 1.37 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 1.16 gal (US)/min |
Fuel Type | Electric |
Indoor/Outdoor | Indoor |
Maximum Temperature (F) | 140 °F |
Minimum Activation Rate (gpm) | 0.25 |
Minimum Temperature (F) | 80 °F |
Number of Elements | 2 |
Number of Showers | 1-2 |
Pack Size | 1 |
Required Volt Connection | 240 volt |
Uniform Energy Factor | 0.98 |
Water Heater Features | Wall Mounted |
Certifications and Listings | CSA Listed,ETL Listed,UL Listed |
Product Width (in.) | 8.25 in |
Water Connection Size (in.) | 1/2 in NPT adapter included |
Reviews:
7. Black & Decker 24 Kw 4.68 Gpm Electric Tankless Water Heater

Product Details:
Specifications:
Weight (lbs.) | 15 |
Amps Required for Unit Only (Amps) | 100 |
Bluetooth Compatibility | No |
Smart Compatible | No |
Major Appliances Supplied Simultaneously | 4 |
Mobile Home Compatible | Yes |
Wi-Fi Compatibility | No |
Hybrid Heat Pump Technology | No |
Installation Location | Wall mount |
Maximum Gallons per Minute | 5 |
Wire Size (Gauge) | 8 |
Depth (Inches) | 17.13 |
Power Output (Kilowatts) | 24 |
Voltage (Volts) | 240 |
Household Amperage Required (Amps) | 120 |
Width (Inches) | 4.53 |
Commercial/Residential | Commercial/Residential |
Height (Inches) | 14.76 |
Point of Use | No |
Reviews:
8. Ecosmart 2.5 Gal. Electric Water Heater

Product Details:
Specifications:
Energy Star | No |
Reviews:
9. Stiebel Eltron Dhc-E 12 Electric Tankless Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Point-of-Use |
Water Heater Application | Undersink |
Commercial / Residential | Commercial |
Watts – Water Heaters | 9000/12,000 |
Amps – Water Heaters | 50 |
Voltage – Water Heaters | 208/240 |
Min. Flow Activation | 0.37 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 86 Degrees to 140 Degrees F |
Temp. Rise @ 8.0 GPM | 8/10 Degrees F |
Wire Size | 6 AWG |
Residential / Commercial | Commercial |
Temp. Rise @ 1.5 GPM | 41/55 Degrees F |
Temp. Rise @ 2.5 GPM | 25/33 Degrees F |
Temp. Rise @ 6.0 GPM | 10/14 Degrees F |
Temp. Rise @ 2.5 GPM – Water Heaters | 25/33 Degrees F |
Pressure Range | 150 psi |
Watts | 9000/12,000 |
Elements | Copper Sheathed Housed in Cylinder |
Amps AC | 50 |
Temp. Rise @ 4.0 GPM | 15/20 Degrees F |
Phase | 1 |
Mounting | Vertical |
Temp. Range | 86 Degrees to 140 Degrees F |
Water Connection | 3/4" NPT |
Voltage | 208/240VAC |
Hot Outlet Type | NPT |
Operating Voltage | 208/240V AC |
Power Consumption | 12,000 W |
Minimum Flow Activation | 0.26 gpm |
Hot Outlet Size | 3/4 in |
Cord Conductor Gauge | 6 AWG Wire |
Current | 50 A |
Environment | Indoor |
Adjustable Thermostat | Yes |
Cold Inlet Size | 3/4 in |
Market | Commercial, Residential |
Temperature Range | 86 Degrees F to 140 Degrees F |
Element Material | Copper |
Mounting Orientation | Vertical |
Mounting Type | Wall Mounting |
Maximum Water Pressure | 150 psi |
Cold Inlet Type | NPT |
Overall Dimensions – H x W x D | 14.19 in x 7.88 in x 4.13 in |
Application | Bathrooms, Break Rooms, Utility Sinks |
Country of Origin (subject to change) | Germany |
Reviews:
10. Stiebel Eltron Electric Tankless Water Heater Mini 3

Product Details:
Specifications:
Height | 6.00 |
Length | 10.00 |
Width | 9.00 |
Hazardous Material | No |
ECCN | EAR99 |
Reviews:
11. Takagi Tk-110u Indoor/outdoor Ng/lp Ultralow Nox Tankless Water Heater

Product Details:
Specifications:
Capacity | 1 to 2 Bathrooms |
Application | Residential |
Installation Type | Indoor Only |
Fuel Type | Propane |
Energy Factor | 0.82 |
Vent Type | Power Vent |
Vent Size | 4" |
Inlet Gas Pressure | 4.0-10.5"WC |
Voltage | 120v |
Weight (lbs) | 38 lbs |
Water Connection | 3/4" |
Includes | Integrated Temperature Controller |
Energy Star Rated | No |
Height (Inches) | 20.5" |
Width (Inches) | 13-3/4" |
Depth (Inches) | 10" |
Reviews:
12. Titan Electric Tankless Water Heater N-120

Product Details:
Specifications:
13. Chronomite Instant-Flow Micro Cm-12l/120 110f Electric Tankless Water

Product Details:
Specifications:
Operating Voltage | 120V AC |
Phase | Single |
Cold Inlet Size | 3/8 in |
Maximum Flow Rate | 1 gpm |
Minimum Flow Activation | 0.2 gpm |
Overall Height | 6.25 in |
Overall Width | 9.63 in |
Overall Depth | 2.75 in |
Power Consumption | 1,440 W |
Adjustable Thermostat | No |
Current | 12 A |
Environment | Indoor |
Market | Commercial, Residential |
Cold Inlet Type | Compression |
Cord Conductor Gauge | 14 AWG Wire |
Default Temperature | 110 Degrees F |
Element Material | Celcon Plastic |
Energy Factor | 0.99 |
Hot Outlet Size | 3/8 in |
Hot Outlet Type | Compression |
Housing Material | Aluminum |
Includes | Compression Fittings, Faucet Flow Control |
Maximum Water Pressure | 80 psi |
Minimum Water Pressure | 25 psi |
Mounting Orientation | Vertical |
Mounting Type | Wall Mounting |
NEMA Rating | 1 |
Temperature Rise @ Flow | 20 Degrees F @ 0.50 gpm, 28 Degrees F @ 0.35 gpm |
Reviews:
14. Thermolfow 110v~120v 3.5kw Mini Tankless Electric Water Heater, Point Of Use On Demand Instant Hot Water Heater For Sink Washing, Wall Mounted, Csa

Product Details:
Specifications:
15. 3000w Mini Electric Tankless Hot Water Heater Instant Hot Water Heating Machine For Kitchen Bathroom Gold 110v

Product Details:
Specifications:
Power Source | AC |
Voltage | 110 Volts |
Style | Auto,Automatic,Gold |
Package Dimensions | 18.43 x 9.88 x 4.06 inches |
16. 3000w Mini Water Heater 110v Electric Tankless Instant Hot Water Heater Under Sink On Demand Water Heater With Remote Control For Home Kitchen

Product Details:
Specifications:
17. Hot Water Heater,110v 3000w Mini Electric Tankless Instant Hot Water Heater Bath – New

Product Details:
Specifications:
18. Wwahuayuan 4000w Tankless Mini Hot Water Heater Under Sink 110v Thermostatic Washing Heating System With Remote Control Touch Screen Digital Display For Home

Product Details:
Specifications:
19. 5500w Tankless Mini Hot Water Heater Under Sink 110v Thermostatic Electric Instant Hot Water Heater With Remote Control Touch Screen Digital Display

Product Details:
Specifications:
Product Dimensions | 8.85 x 8.26 x 2.95 inches |
Country of Origin | China |
Included Components | Remote Control, Manual |
20. Instantaneous Tankless Water Heater, Small Mini 110v With Remote Control Operation,constant Temperature Heating For Kitchen And Bathroom, Lcd Touch

Product Details:
Specifications:
Product Dimensions | 12.2 x 9.06 x 4.33 inches |
Country of Origin | China |
Voltage | 110 Volts |