20 Best 110 Volt Tankless Water Heater For Shower (2023 Update)
Are you looking for the Best 110 Volt Tankless Water Heater For Shower? If so, you’ve come to the right place.
Choosing the Best 110 Volt Tankless Water Heater For Shower can be difficult as there are so many considerations, such as A. O. Smith, Eemax, Marey, Noritz, Rheem, Rinnai, Stiebel Eltron, Takagi, Amazon.com – Seller. We have done a lot of research to find the Top 20 Best 110 Volt Tankless Water Heater For Shower available.
The average cost is $168.44. Sold comparable range in price from a low of $63.11 to a high of $434.99.
Based on the research we did, we think Marey ECO110 Electric Tankless Water Heater – 11kW 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 For Shower (20 Sellers)
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- 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.
- 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
- 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
- Provides continuous hot water for ultimate convenience.
- Patented self modulating technology and design.
- 0.5-gpm flow rate
- Designed for undersink hardwiring, horizontal installation
- Two mounted chrome compression fittings
- 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
- The new line of airthereal electric tankless water heaters provides an energy-efficient and easy-to-install solution for endless hot water in your home. enjoy the comfort and convenience of hot…
- 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
- Instant heated water – saves you up to 60% in energy costs.
- Features.
- Compact – 100% automatic – easy to use – energy factor greater than or equal to 0.
- Top to bottom: 5 overall width.
- Side to side: 4.25 overall depth.
- Front to back: 10 overall product weight: 3.
- External digital thermostatic control with led display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable copper immersion two heating elements, field serviceable
- Ideal for areas with warm to hot climates
- Includes water heater, hose, handheld shower and rise rail
- Compact design installs easily on the wall to your shower
- 【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,…
- 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…
- Brand: garosa – color: black – features: simple operation: freely adjust water temperature by water flow, simple operation, you can enjoy hot water all-weather without wait. please kindly check…
- 【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,…
- Brand: fockety color: black features: 【instant & sufficient hot water】say goodbye to hot and cold. the 4500w tankless water heater has intelligent constant temperature technology, control the…
- 【safe to use】our tankless electric water heaters have been rigorously tested and have multiple protection functions: water and electricity isolation, ipx4 waterproof, leakage protection,…
- 【instant & sufficient hot water】say goodbye to hot and cold. the 4500w tankless water heater has intelligent constant temperature technology, control the water temperature difference within the…
- 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. 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:
2. 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:
3. 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:
4. 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:
5. Chronomite Sr-15l-120 Tankless Electric Water Heater

Product Details:
Specifications:
Water Heater Design | Point-of-Use |
Water Heater Application | Undersink |
Watts – Water Heaters | 1,800 W |
Amps – Water Heaters | 15 A |
Voltage – Water Heaters | 120 |
Min. Flow Activation | 0.35 gpm |
Phase – Water Heaters | 1 |
Water Connection | 3/8 in Compression |
Temp. Rise @ 0.5 GPM | 25 Degrees F |
Item – Water Heaters | Electric Tankless Water Heater |
Mounting | Horizontal |
Pressure Range | 45 to 150 psi |
Max. Flow Rate | 1.5 gpm |
Wire Size | 14 AWG |
Standards | ADA, CSA, HUD, IAPMO, UL, ULC |
Condensed Mfg Number | SR15L120HTRI |
Hazardous Material | N |
Green Material Flag | N |
COO Name | MEXICO |
TAA Compliant | Y |
Country of Origin | MX |
CA Prop 65 Wht Label | N |
Reviews:
6. Ecosmart 2.5 Gal. Electric Water Heater

Product Details:
Specifications:
Energy Star | No |
Reviews:
7. Airthereal Electric Tankless Water Heater For Shower 14 Kw – Endless On-Demand Hot Water

Product Details:
Specifications:
Power Source | AC |
Item Dimensions LxWxH | 15.87 x 11.14 x 2.87 inches |
Voltage | 240 Volts |
Style | Indoor Installation |
Mounting Type | Wall |
Product Dimensions | 15.87 x 11.14 x 2.87 inches |
Country of Origin | China |
Installation Method | Wall-Mounted |
Included Components | Electric Tankless Water Heater 14kW |
Reviews:
8. Rheem Retex-13 Kw Self-Modulating 2.54 Gpm Tankless Electric Water Heater

Product Details:
Specifications:
Required Volt Connection | 240 volt |
Application Type | Residential |
Indoor/Outdoor | Indoor |
Fuel Type | Electric |
Number of Showers | 1-2 |
Amperage (amps) | 60 A |
Electricity Phase | Single Phase |
Finish Family | Gray |
Flow Rate @ 35°F Rise (gallons/min) | 2.54 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1.97 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 1.61 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 1.37 gal (US)/min |
Maximum Temperature (F) | 140 °F |
Minimum Activation Rate (gpm) | 0.25 |
Minimum Temperature (F) | 80 °F |
Number of Elements | 2 |
Pack Size | 1 |
Uniform Energy Factor | 0 |
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:
9. Marey Tankless Shower Water Heater Mini – 110v

Product Details:
Specifications:
Indoor/Outdoor | Indoor |
Efficiency Level | Super High |
Fuel Type | Electric |
Amperage (amps) | 23 A |
Application Type | Point of Use |
Finish Family | Silver Metallic |
Flow Rate @ 35°F Rise (gallons/min) | 2 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1.5 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 1 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 0.5 gal (US)/min |
Maximum Temperature (F) | 25 °F |
Minimum Activation Rate (gpm) | 0.83 |
Minimum Temperature (F) | 20 °F |
Pack Size | 1 |
Required Volt Connection | 110 volt |
Uniform Energy Factor | 0.93 |
Water Heater Features | Wall Mounted |
Wattage (watts) | 2530 W |
Certifications and Listings | No Certifications or Listings |
Product Width (in.) | 5.3 in |
Water Connection Size (in.) | 1/2 in |
Reviews:
10. Iheat Electric Tankless Water Heater & Shower Head 2.5kw 110v

Product Details:
Specifications:
Efficiency Level | Super High |
Fuel Type | Electric |
Amperage (amps) | 23 A |
Electric Product Type | Point of Use |
Finish Family | Silver Metallic |
Flow Rate @ 35°F Rise (gallons/min) | 1 gal (US)/min |
Flow Rate @ 45°F Rise (gallons/min) | 1 gal (US)/min |
Flow Rate @ 55°F Rise (gallons/min) | 0.5 gal (US)/min |
Flow Rate @ 65°F Rise (gallons/min) | 0.5 gal (US)/min |
Maximum Temperature (F) | 120 °F |
Minimum Activation Rate (gpm) | 0.5 |
Minimum Temperature (F) | 80 °F |
Pack Size | 1 |
Required Volt Connection | 120 volt |
Uniform Energy Factor | 9 |
Water Heater Features | Overheat Protection,Wall Mounted |
Wattage (watts) | 2500 W |
Certifications and Listings | No Certifications or Listings |
Product Width (in.) | 5 in |
Water Connection Size (in.) | 1/2 in FIP |
Reviews:
11. Rheem Rtex-18 18kw Tankless Electric Water Heater

Product Details:
Specifications:
Item – Water Heaters | Electric Tankless Water Heater |
Water Heater Design | Whole House |
Water Heater Application | General Purpose |
Commercial / Residential | Both |
Watts – Water Heaters | 18,000 |
Amps – Water Heaters | 75 |
Voltage – Water Heaters | 208/240 |
Min. Flow Activation | 0.30 gpm |
Phase – Water Heaters | 1 |
Temp. Range – Water Heaters | 59 Degrees to 140 Degrees F |
Standards | UL 499, CSA |
Amps AC | 75 |
Default Temperature | 120 Degrees F |
Temp. Rise @ 6.0 GPM | Limited to Thermostatic Setting |
Phase | single |
Tank Capacity | 18 gal. |
Max. Flow Rate | 4 gpm |
Elements | Lead-Free Replaceable Cartridge Insert |
Fuel Type | Electric |
Temp. Range | 59 Degrees to 140 Degrees F |
Water Connection | 3/4" NPT |
Height to Top of Vent Connection | 18.25" |
Voltage | 208/240VAC |
Residential / Commercial | Both |
Mounting | Wall |
Vent Type | Tankless Electric |
Pressure Range | 25 to 150 psi |
Temp. Rise @ 4.0 GPM | 31 Degrees F |
Height to Top of Heater | 18.25" |
Temp. Rise @ 2.5 GPM – Water Heaters | 49 Degrees F |
Wire Size | 8 AWG |
Temp. Rise @ 2.5 GPM | 49 Degrees F |
Environment | Indoor |
Element Material | Copper |
Current | 75 A |
Minimum Water Pressure | 25 psi |
Temperature Range | 80 Degrees F to 140 Degrees F |
Adjustable Thermostat | Yes |
Minimum Flow Activation | 0.3 gpm |
Cord Conductor Gauge | 8 AWG Wire |
Water Connection Location | Bottom |
Control Type | Dial, Digital Display with Keypad |
Maximum Water Pressure | 150 psi |
Cold Inlet Size | 3/4 in |
Power Consumption | 18,000 W |
Overall Dimensions – H x W x D | 18.25 in x 8.25 in x 3.5 in |
Market | Residential |
Mounting Type | Wall Mounting |
Maximum Flow Rate | 7 gpm |
Operating Voltage | 240V AC |
Country of Origin (subject to change) | China |
Reviews:
12. Atmor 6 Kw Electric Tankless Water Heater Shower System

Product Details:
Specifications:
Wire Size | 10 in |
Connection Size | 1/2 NPT in |
Water Connection | 1/2 NPT in |
Length | 8-1/2 in |
Max Temperature | 135 °F |
Number of Elements | 1 |
Max PSI | 230 psi |
Kilowatts | 6 kW |
Heating Element Material | Copper |
Phase | 1 |
Indoor/Outdoor | Indoor |
Min Activation Flow Rate | 0.5 gal/min |
Amperage | 25 A |
Temperature Overheat Protection | Yes |
Capacity | 6 gal |
Voltage | 240 V |
Water Connection Location | Bottom of Unit |
Min PSI | 15 psi |
Fuel Type | Electric |
Certifications | UL |
13. 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:
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. Garosa 3kw Mini Electric Tankless Instant Warm Water Heater With Lcd Display For Home Kitchen Washing Us Plug 110v Only Make Water Warm Won't Very

Product Details:
Specifications:
16. Mengxiang 3000w Mini Water Heater 110v Electric Tankless Instant Hot Water Heater Thermostatic Washing Heating System For Home Kitchen Bathroom (Navy)

Product Details:
Specifications:
17. Electric Tankless Water Heater, 4500w 110v Hd Lcd Display 55? Tankless Water Heater Intelligent Constant Temperature On Demand Water Heater Instant

Product Details:
Specifications:
Power Source | Corded Electric |
Voltage | 110 Volts |
Style | Indoor Installation |
Item Package Quantity | 1 |
18. 3000w Tankless Mini Hot Water Heater Under Sink 110v Thermostatic Washing Heating System With Remote Control Digital Display For Home Kitchen

Product Details:
Specifications:
19. Electric Tankless Water Heater, 4500w 110v Hd Lcd Display 55°c Tankless Water Heater Intelligent Constant Temperature On Demand Water Heater Instant

Product Details:
Specifications:
Power Source | Battery Powered |
Voltage | 110 Volts |
Style | Indoor Installation |
Country of Origin | China |
Item Package Quantity | 1 |
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 |