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Electric Tankless Water Heaters

To determine if an Electric Water heater is for you:

Temperature Rise: Subtract the incoming water temperature from your desired output temperature. 

Flow Rate: List the number of hot water devices you expect to use at any one time. Then, add up their flow rates (gallons per minute). This is the desired flow rate you'll want for the demand water heater. 

Therefore, to size a demand water heater, you need to determine the flow rate and the temperature rise you'll need for its application 

If it will not produce the desired flow rate and temperature rise to get to a comfortable hot water handwashing temp. of 105°F, then choose another model with more kW and amps, and ensure that you can supply it with the required electrical capacity.

 

Determining which tankless Electric Water Heater can be a difficult choose. Visit our blog to select a model that will suit your needs.


Choosing the right Tankless Electric Water Heater for your home.

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  • Eemax - SPEX2412 - 2.4 kW 120V Electric Tankless Water Heater

    Eemax
    Original price $ 255.99 - Original price $ 255.99
    Original price
    $ 255.99
    $ 255.99 - $ 255.99
    Current price $ 255.99

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. FEATURES Lowest activation in industry with 0.2 GP...

    View full details
    Original price $ 255.99 - Original price $ 255.99
    Original price
    $ 255.99
    $ 255.99 - $ 255.99
    Current price $ 255.99
    Sold out
  • Chronomite - SR-20L/120 - HTR SR Series Instant Low Flow Tankless Water Heater, small

    Chronomite
    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79

    Install Manual Choosing the right Tankless Electric Water Heater for your home. Chronomite electric tankless water heaters are the space-saving ...

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    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79
  • Rheem - RTEX-36 - 36kw Tankless Electric Water Heater

    Rheem
    Original price $ 825.00 - Original price $ 825.00
    Original price
    $ 825.00
    $ 825.00 - $ 825.00
    Current price $ 825.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless elect...

    View full details
    Original price $ 825.00 - Original price $ 825.00
    Original price
    $ 825.00
    $ 825.00 - $ 825.00
    Current price $ 825.00
    Sold out
  • Eemax - EX190TC - 19kW Electric Tankless Water Heater

    Eemax
    Original price $ 749.00
    Original price $ 749.00 - Original price $ 749.00
    Original price $ 749.00
    Current price $ 622.99
    $ 622.99 - $ 622.99
    Current price $ 622.99

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Features On demand hot water - no delay Cut energy wa...

    View full details
    Original price $ 749.00
    Original price $ 749.00 - Original price $ 749.00
    Original price $ 749.00
    Current price $ 622.99
    $ 622.99 - $ 622.99
    Current price $ 622.99
    Sold out
  • Eemax - EMT2.5 - 2.5 Gallon Mini Tank

    Eemax
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Features Point-of-use heating eliminates long hot wat...

    View full details
    Original price $ 158.99 - Original price $ 158.99
    Original price
    $ 158.99
    $ 158.99 - $ 158.99
    Current price $ 158.99
    Sold out
  • Chronomite - SR-15L/120 - HTR 120-Volt 15-Amp SR Series Instant-Flow Low Flow Tankless Water Heater

    Chronomite
    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79

    Choosing the right Tankless Electric Water Heater for your home. Chronomite electric tankless water heaters are the space-saving solution for p...

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    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79
  • Chronomite - SR-30L/120 - HTR 120-Volt 30-Amp SR Series Instant-Flow Low Flow Tankless Water Heater

    Chronomite
    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79

    Install Manual Choosing the right Tankless Electric Water Heater for your home. Chronomite electric tankless water heaters are the space-saving ...

    View full details
    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79
  • Eemax - SPEX3012 - 3.0 kW 120V Electric Tankless Water Heater

    Eemax
    Original price $ 237.69 - Original price $ 237.69
    Original price
    $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. FEATURES Lowest activation in industry with 0.2 GP...

    View full details
    Original price $ 237.69 - Original price $ 237.69
    Original price
    $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69
    Sold out
  • Rheem - RTEX-04 - 3kw Tankless Electric Water Heater

    Rheem
    Original price $ 189.00 - Original price $ 189.00
    Original price
    $ 189.00
    $ 189.00 - $ 189.00
    Current price $ 189.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric wa...

    View full details
    Original price $ 189.00 - Original price $ 189.00
    Original price
    $ 189.00
    $ 189.00 - $ 189.00
    Current price $ 189.00
    Sold out
  • Eemax - HA018240 - Home Advantage II Tankless Electric Hot Water Heater

    Eemax
    Original price $ 449.00 - Original price $ 449.00
    Original price
    $ 449.00
    $ 449.00 - $ 449.00
    Current price $ 449.00

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. Features: On demand hot water - no delay Cut energy...

    View full details
    Original price $ 449.00 - Original price $ 449.00
    Original price
    $ 449.00
    $ 449.00 - $ 449.00
    Current price $ 449.00
  • Eemax - HA027240 - Home Advantage II Tankless Electric Hot Water Heater

    Eemax
    Original price $ 584.34 - Original price $ 584.34
    Original price $ 584.34
    $ 644.93
    $ 644.93 - $ 644.93
    Current price $ 644.93

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. HA027240 Proven Design for Endless Hotwater Ee...

    View full details
    Original price $ 584.34 - Original price $ 584.34
    Original price $ 584.34
    $ 644.93
    $ 644.93 - $ 644.93
    Current price $ 644.93
    Sold out
  • Eemax - HATB007240 - Hot Water Heater Booster

    Eemax
    Original price $ 332.00 - Original price $ 332.00
    Original price
    $ 332.00
    $ 332.00 - $ 332.00
    Current price $ 332.00

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. Features: Power: 7.2kW Volts: 240V Phase: Single Am...

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    Original price $ 332.00 - Original price $ 332.00
    Original price
    $ 332.00
    $ 332.00 - $ 332.00
    Current price $ 332.00
    Sold out
  • Chronomite - SR-20L/240 - HTR 240-Volt 20-Amp SR Series Instant-Flow Low Flow Tankless Water Heater

    Chronomite
    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79

    Install Manual Choosing the right Tankless Electric Water Heater for your home. Chronomite electric tankless water heaters are the space-saving ...

    View full details
    Original price $ 208.79 - Original price $ 208.79
    Original price
    $ 208.79
    $ 208.79 - $ 208.79
    Current price $ 208.79
  • EEMAX - SPEX4208 - 4.1kW 208V Electric Tankless Water Heater Flow Co

    Eemax
    Original price $ 248.00
    Original price $ 248.00 - Original price $ 248.00
    Original price $ 248.00
    Current price $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. Commercial handwashing and other fixed-flow appl...

    View full details
    Original price $ 248.00
    Original price $ 248.00 - Original price $ 248.00
    Original price $ 248.00
    Current price $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69
    Sold out
  • Eemax - SPEX3512 - FLOWCO 3.5 KW 120V ELECTRIC TANKLESS WATER HEATER

    Eemax
    Original price $ 196.00 - Original price $ 196.00
    Original price
    $ 196.00
    $ 196.00 - $ 196.00
    Current price $ 196.00

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. FEATURES Lowest activation in industry with 0.2 GPM...

    View full details
    Original price $ 196.00 - Original price $ 196.00
    Original price
    $ 196.00
    $ 196.00 - $ 196.00
    Current price $ 196.00
    Sold out
  • Eemax - SPEX35 - 3.5 kW 240V Electric Tankless Water Heater

    Eemax
    Original price $ 285.00
    Original price $ 285.00 - Original price $ 285.00
    Original price $ 285.00
    Current price $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. FEATURES Lowest activation in industry with 0.2 GPM ...

    View full details
    Original price $ 285.00
    Original price $ 285.00 - Original price $ 285.00
    Original price $ 285.00
    Current price $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69
    Sold out
  • Rheem - RTEX-18 - 18kw Tankless Electric Water Heater

    Rheem
    Original price $ 449.00 - Original price $ 449.00
    Original price
    $ 449.00
    $ 449.00 - $ 449.00
    Current price $ 449.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric w...

    View full details
    Original price $ 449.00 - Original price $ 449.00
    Original price
    $ 449.00
    $ 449.00 - $ 449.00
    Current price $ 449.00
    Sold out
  • Rheem - RTEX-08 - 8kw Tankless Electric Water Heater

    Rheem
    Original price $ 245.00 - Original price $ 245.00
    Original price
    $ 245.00
    $ 245.00 - $ 245.00
    Current price $ 245.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric wat...

    View full details
    Original price $ 245.00 - Original price $ 245.00
    Original price
    $ 245.00
    $ 245.00 - $ 245.00
    Current price $ 245.00
    Sold out
  • Rheem - RTEX-06 - 6kw Tankless Electric Water Heater

    Rheem
    Original price $ 189.00 - Original price $ 189.00
    Original price
    $ 189.00
    $ 189.00 - $ 189.00
    Current price $ 189.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric wat...

    View full details
    Original price $ 189.00 - Original price $ 189.00
    Original price
    $ 189.00
    $ 189.00 - $ 189.00
    Current price $ 189.00
  • Eemax - HA008240 - Home Advantage II Tankless Electric Hot Water Heater

    Eemax
    Original price $ 235.99
    Original price $ 235.99 - Original price $ 235.99
    Original price $ 235.99
    Current price $ 198.99
    $ 198.99 - $ 198.99
    Current price $ 198.99

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. Features:? GPM Turn On: 0.3 Physical Max Volume: 4...

    View full details
    Original price $ 235.99
    Original price $ 235.99 - Original price $ 235.99
    Original price $ 235.99
    Current price $ 198.99
    $ 198.99 - $ 198.99
    Current price $ 198.99
    Sold out
  • Stiebel Eltron 235089 SHC 6 Mini-Tank Electric Water Heater, 6 Gallon, 1300W, 120V, 15-1/8" W x 20-1/2" H x 15" D

    Stiebel Eltron
    Original price $ 269.99 - Original price $ 269.99
    Original price
    $ 269.99
    $ 269.99 - $ 269.99
    Current price $ 269.99

    Spec Sheet Install Manual SHC series mini-tank electric water heater is ideal for office buildings, stores, malls, warehouses, food trucks, resta...

    View full details
    Original price $ 269.99 - Original price $ 269.99
    Original price
    $ 269.99
    $ 269.99 - $ 269.99
    Current price $ 269.99
  • Eemax - EMT6 - 1.4kW Electric Mini Tank Water Heater

    Eemax
    Original price $ 253.00 - Original price $ 253.00
    Original price
    $ 253.00
    $ 253.00 - $ 253.00
    Current price $ 253.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Features Point-of-use heating eliminates long hot wa...

    View full details
    Original price $ 253.00 - Original price $ 253.00
    Original price
    $ 253.00
    $ 253.00 - $ 253.00
    Current price $ 253.00
    Sold out
  • Stiebel Eltron 223422 240V, 1 Phase, 50/60 Hz, 20 kW Tempra 20 Whole House Tankless Electric Water Heater

    Stiebel Eltron
    Original price $ 729.00 - Original price $ 729.00
    Original price
    $ 729.00
    $ 729.00 - $ 729.00
    Current price $ 729.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. OverviewThe Tempra® series has been redesigned comple...

    View full details
    Original price $ 729.00 - Original price $ 729.00
    Original price
    $ 729.00
    $ 729.00 - $ 729.00
    Current price $ 729.00
  • Eemax - SPEX55T - 240V 23 Amp LavAdvantage Sink Electric Water Heater

    Eemax
    Original price $ 308.43 - Original price $ 308.43
    Original price
    $ 308.43
    $ 308.43 - $ 308.43
    Current price $ 308.43

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. Applications • Lavatory sinks • Multi lav configura...

    View full details
    Original price $ 308.43 - Original price $ 308.43
    Original price
    $ 308.43
    $ 308.43 - $ 308.43
    Current price $ 308.43
    Sold out
  • Eemax - SPEX75 - 7.5kW Electric Tankless Water Heater

    Eemax
    Original price $ 204.25 - Original price $ 204.25
    Original price
    $ 204.25
    $ 204.25 - $ 204.25
    Current price $ 204.25

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home. FEATURES Lowest activation in industry with 0.2 GPM...

    View full details
    Original price $ 204.25 - Original price $ 204.25
    Original price
    $ 204.25
    $ 204.25 - $ 204.25
    Current price $ 204.25
    Sold out
  • Rheem - RTG20006DW - Main Control

    Rheem
    Original price $ 74.06 - Original price $ 74.06
    Original price
    $ 74.06
    $ 74.06 - $ 74.06
    Current price $ 74.06

    The Rheem RTG20006DW is a remote control (UMC-117). HVAC replacement part Rheem RTG20006DW. Get your system working properly once again with replac...

    View full details
    Original price $ 74.06 - Original price $ 74.06
    Original price
    $ 74.06
    $ 74.06 - $ 74.06
    Current price $ 74.06
  • Stiebel Eltron 234046 SHC 4 Mini-Tank Electric Water Heater, 4 Gallon, 1300W, 120V, 12-5/8" W x 19-3/4 12-1/2" D

    Stiebel Eltron
    Original price $ 239.00 - Original price $ 239.00
    Original price
    $ 239.00
    $ 239.00 - $ 239.00
    Current price $ 239.00

    Spec Sheet Install Manual Stiebel Eltron 23406 Details If you're storing 30+ gallons of hot water in a traditional water heater when your applic...

    View full details
    Original price $ 239.00 - Original price $ 239.00
    Original price
    $ 239.00
    $ 239.00 - $ 239.00
    Current price $ 239.00
  • Stiebel Eltron 233219 2.5 gallon, 1300W, 120V SHC 2.5 Mini-Tank Electric Water Heater

    Stiebel Eltron
    Original price $ 189.00 - Original price $ 189.00
    Original price
    $ 189.00
    $ 189.00 - $ 189.00
    Current price $ 189.00

    Spec Sheet Install Manual Stiebel Eltron 233219 Details If you're storing 30+ gallons of hot water in a traditional water heater when your appli...

    View full details
    Original price $ 189.00 - Original price $ 189.00
    Original price
    $ 189.00
    $ 189.00 - $ 189.00
    Current price $ 189.00
  • Eemax - EX55T - ML 5.5kW Electric Tankless Water Heater

    Eemax
    Original price $ 281.99 - Original price $ 281.99
    Original price
    $ 281.99
    $ 281.99 - $ 281.99
    Current price $ 281.99

    Choosing the right Tankless Electric Water Heater for your home. FEATURES On demand hot water - no delay Cut energy waste - Flow switch activat...

    View full details
    Original price $ 281.99 - Original price $ 281.99
    Original price
    $ 281.99
    $ 281.99 - $ 281.99
    Current price $ 281.99
    Sold out
  • Eemax - SPEX012240T - 11.5kW Electric Tankless Water Heater

    Eemax
    Original price $ 359.58 - Original price $ 359.58
    Original price
    $ 359.58
    $ 359.58 - $ 359.58
    Current price $ 359.58

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home.   FEATURES On demand hot water - no delay Cut ener...

    View full details
    Original price $ 359.58 - Original price $ 359.58
    Original price
    $ 359.58
    $ 359.58 - $ 359.58
    Current price $ 359.58
    Sold out
  • Stiebel Eltron 230628 240V, 12 kW DHC-E12 Single/Multi-Point-of-Use Tankless Electric Water Heater

    Stiebel Eltron
    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Stiebel Eltron 230628 Details Instantly provide hot wat...

    View full details
    Original price $ 299.00 - Original price $ 299.00
    Original price
    $ 299.00
    $ 299.00 - $ 299.00
    Current price $ 299.00
    Sold out
  • Rheem - RTEX-24 - 24kw Tankless Electric Water Heater

    Rheem
    Original price $ 582.59 - Original price $ 582.59
    Original price
    $ 582.59
    $ 582.59 - $ 582.59
    Current price $ 582.59

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric w...

    View full details
    Original price $ 582.59 - Original price $ 582.59
    Original price
    $ 582.59
    $ 582.59 - $ 582.59
    Current price $ 582.59
    Sold out
  • Rheem - RTEX-13 - 13kw Tankless Electric Water Heater

    Rheem
    Original price $ 365.00 - Original price $ 365.00
    Original price
    $ 365.00
    $ 365.00 - $ 365.00
    Current price $ 365.00

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. Overview Professional Classic® tankless electric wat...

    View full details
    Original price $ 365.00 - Original price $ 365.00
    Original price
    $ 365.00
    $ 365.00 - $ 365.00
    Current price $ 365.00
    Sold out
  • Chronomite - SR-40/240 - HTR 240-Volt 40-Amp SR Series Instant-Flow Standard Flow Tankless Water Heater

    Chronomite
    Original price $ 218.79 - Original price $ 218.79
    Original price
    $ 218.79
    $ 218.79 - $ 218.79
    Current price $ 218.79

    Install Manual Choosing the right Tankless Electric Water Heater for your home. Chronomite electric tankless water heaters are the space-saving so...

    View full details
    Original price $ 218.79 - Original price $ 218.79
    Original price
    $ 218.79
    $ 218.79 - $ 218.79
    Current price $ 218.79
  • Eemax - EX3012T-EE - 120V 3 KW Tankless Water Heater

    Eemax
    Original price $ 328.11 - Original price $ 328.11
    Original price
    $ 328.11
    $ 328.11 - $ 328.11
    Current price $ 328.11

    Spec Sheet Install Manual Choosing the right Tankless Electric Water Heater for your home. POWER 3KW: VOLTAGE 120V :PHASE Single: AMPERAGE 25 :WIRE...

    View full details
    Original price $ 328.11 - Original price $ 328.11
    Original price
    $ 328.11
    $ 328.11 - $ 328.11
    Current price $ 328.11
    Sold out
  • Eemax - SPEX55 - FlowCo Electric Tankless Water Heater

    Eemax
    Original price $ 237.69 - Original price $ 237.69
    Original price
    $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69

    Spec Sheet   Install Manual Choosing the right Tankless Electric Water Heater for your home.     FlowCo™ Non-thermostatic heater ideal for handwa...

    View full details
    Original price $ 237.69 - Original price $ 237.69
    Original price
    $ 237.69
    $ 237.69 - $ 237.69
    Current price $ 237.69

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