Tankless Water Heaters

Tankless water heaters heat water only when you open a tap, so you get a continuous supply without the standby heat loss of a storage tank. Browse high-efficiency condensing units, with sizing, venting and installation details on each product page.
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  • Efield 3/4" NPT Tankless Water Heater Service Valve Kit with Pressure Relief Valve

    Efield 3/4" NPT Tankless Water Heater Service & Isolation Valve Kit with Pressure Relief Valve

    Efield

    Efield 3/4" NPT Tankless Water Heater Service & Isolation Valve Kit with Pressure Relief Valve
    $195.00
  • Rheem IKONIC Super High Efficiency Condensing Tankless Gas Water Heater front view

    Rheem IKONIC Super High Efficiency Condensing Tankless Gas Water Heater

    Rheem

    Rheem IKONIC Super High Efficiency Condensing Tankless Gas Water Heater
    $1,978.00

    Warranty: 15 Year Heat Exchanger - (w/ registration) | 12 Year Heat Exchanger - (w/o registration) | 5-Year Parts | 1-Year Labor
  • Rinnai SENSEI RXP199i Tankless Water Heater with Built-In Smart-Circ Recirculation Pump on pure white canvas

    Rinnai RXP199i Tankless Water Heater

    Rinnai

    Rinnai RXP199i Tankless Water Heater
    $3,388.00

    Warranty: Heat Exchanger 15 Years
  • Navien NPE-240S2 Standard Condensing Tankless Gas Water Heater front cabinet view on pure white background

    Navien NPE-240S2 Tankless Water Heater

    Navien

    Navien NPE-240S2 Tankless Water Heater
    $2,250.00

    Warranty: 15-Year Heat Exchanger and 5-Year Parts (Residential)
  • Rinnai SENSEI RU199i High-Efficiency Condensing Tankless Water Heater front view on pure white canvas

    Rinnai RU199i Tankless Water Heater

    Rinnai

    Rinnai RU199i Tankless Water Heater
    $1,910.00

    Warranty: Heat Exchanger 15 Years | All Other Parts and Components 5 Years | Reasonable Labor 5 Years
  • Navien NPE-240A2 Advanced Condensing Tankless Gas Water Heater front cabinet view

    Navien NPE-240A2 Tankless Water Heater

    Navien

    Navien NPE-240A2 Tankless Water Heater
    $2,880.00

    Warranty: 15-Year Heat Exchanger and 5-Year Parts (Residential)