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Tankless Water Heaters

Tankless hot water heaters are high-efficiency. If you get your hot water from a boiler/tank right now, you may save hundreds of dollars per month, depending on your usage. The reason you will save so much money is that the tankless heater only uses energy when the water is flowing. Systems with tanks run constantly to maintain the water temperature of the entire volume of water in the tank at whatever temperature you set. What a waste!Buy tankless hot water heaters on sale

 


Searching for the right tankless water heater to buy and need assistance? Give us a quick call at 305-791-1101.

Use our powerful Tankless Feature Search Wizard here. –>

GadgetsGo.com is an Authorized Dealer for most major manufacturers including Drakken (a.k.a. American Heat, iHeat), Ecosmart, Chronomite, Eemax, Eccotemp, Rinnai, Bradford White, Noritz, Titan, Stiebel-Eltron, Marey, Quietside, and Bosch.

(Tankless water heaters are also referred to in different terms, depending on the manufacturer: inline water heaters, instant heat water heater, flow through water heater, flow through water heaters, ondemand water heater, tankless boiler, electric water heaters, electronic water heater, electrical water heaters, gas water heaters. You get the idea...)

  • Sold out
    Original price $972.00 - Original price $991.95
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    $972.00 - $991.95
    Current price $972.00

    Rinnai V53eP Outdoor Liquid Propane Tankless Water Heater

    Rinnai

    Rinnai's V53eP exterior mounted tankless water heater delivers up to 5.3 gallons of hot water per minute efficiently, making it perfect for houses...

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    Original price $972.00 - Original price $991.95
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    $972.00 - $991.95
    Current price $972.00
    Sold out
  • Original price $749.00 - Original price $749.00
    Original price
    $749.00
    $749.00 - $749.00
    Current price $749.00

    Rheem RTG-84 Series Gas Hot Water Heater

    Rheem

    Rheem RTG is a series of mid-efficiency, ultra low NOx tankless gas water heaters made for continuous hot water in homes with 2-3 bathrooms. ...

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    Original price $749.00 - Original price $749.00
    Original price
    $749.00
    $749.00 - $749.00
    Current price $749.00
  • Original price $268.95 - Original price $349.41
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    $268.95
    $268.95 - $349.41
    Current price $268.95

    Eemax Series One Flow Controlled Electric Tankless Water Heater EX95

    Eemax

    EX95 Series One 9.5 kW 240 V electric tankless water heater for low-flow residential and commercial applications Flow controlled, single point of...

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    Original price $268.95 - Original price $349.41
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    $268.95
    $268.95 - $349.41
    Current price $268.95
  • Original price $39.95 - Original price $44.90
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    $39.95 - $44.90
    Current price $39.95

    AHSD Outlet Temperature Sensor

    iHeat/Drakken

    Compatible with AHSD Models such as AHS27-D, AHS24-D, AHS21-D, AHS18-D, AHS16-D, AHS14-D, AHS11-D

    Original price $39.95 - Original price $44.90
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    $39.95 - $44.90
    $39.95 - $44.90
    Current price $39.95
  • Original price $349.41 - Original price $369.36
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    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX3512 120V 29 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX3512 Flow Co 3500 Watt 110V-120V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it i...

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    Original price $349.41 - Original price $369.36
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    $349.41 - $369.36
    Current price $349.41
  • Original price $339.00 - Original price $343.95
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    $339.00 - $343.95
    $339.00 - $343.95
    Current price $339.00

    EcoSmart SmartBoost ECOTB240 Water Heater Tank Booster 7.2kW 30A 240V

    ECOSMART US LLC

    Buy SmartBoost to nearly double your hot water.Go ahead, take longer hot showers. Get more hot water from your current or new hot water heater when...

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    Original price $339.00 - Original price $343.95
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    $339.00 - $343.95
    Current price $339.00
  • Original price $269.00 - Original price $303.94
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    $269.00 - $303.94
    Current price $269.00

    Eccotemp L5 Tankless Water Heater w/ EccoFlo 12V Pump and Strainer

    Eccotemp

    Save money and buy conveniently with this bundle of the Eccotemp L5, 12v pump and strainer. The Eccotemp L5 Portable Tankless Heater is the best-se...

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    Original price $269.00 - Original price $303.94
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    $269.00 - $303.94
    Current price $269.00
  • Original price $1,349.55 - Original price $1,449.20
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    $1,349.55 - $1,449.20
    Current price $1,349.55

    Waiwela-Paloma PH2-28RDVSLN Indoor Natural Gas Tankless Water Heater

    Waiwela

    The PH2-28 is an excellent water heating solution for average 2-bath to 3-bath homes. The PH2-28RDVS can support up to 2 to 3 major hot water appli...

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    Original price $1,349.55 - Original price $1,449.20
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    $1,349.55 - $1,449.20
    $1,349.55 - $1,449.20
    Current price $1,349.55
  • Original price $594.63 - Original price $614.58
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    $594.63 - $614.58
    Current price $594.63

    Eemax HomeAdvantage 13kW 240V HA013240 Electric Tankless Water Heater

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL HA013240 Eemax Electric Tankless Water Heater - HomeAdvantage II Eemax Electric tankless wat...

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    Original price $594.63 - Original price $614.58
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    $594.63 - $614.58
    Current price $594.63
  • Original price $499.99 - Original price $504.94
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    $499.99 - $504.94
    Current price $499.99

    Marey Power Gas 16L ETL LP Tankless Water Heater

    Marey Heater Corp.

    A favorite heater for Canadian installations, and popular in USA too, with a powerful 107K BTU heating capacity. Features • Lasts a lifetime, with...

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    Original price $499.99 - Original price $504.94
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    $499.99 - $504.94
    $499.99 - $504.94
    Current price $499.99
  • Eemax EX280T2T 240V 29kW 120 amp Electric Tankless Water Heater
    Original price $1,513.98 - Original price $6,554.94
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    $1,513.98 - $6,554.94
    $1,513.98 - $6,554.94
    Current price $1,513.98

    Eemax EX280T2T 240V 29kW 120 amp Electric Tankless Water Heater

    Eemax

    EX280T2T Series Three 28.5 kW 240 V thermostatic water heater for residential and light commercial applications Three heating modules for heati...

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    Original price $1,513.98 - Original price $6,554.94
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    $1,513.98 - $6,554.94
    $1,513.98 - $6,554.94
    Current price $1,513.98
  • Original price $911.91 - Original price $2,832.45
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    $911.91 - $2,832.45
    $911.91 - $2,832.45
    Current price $911.91

    Eemax EX1608TC 208V 17kW 80amp Electric Tankless Water Heater

    Eemax

    EX1608TC Series Two 16.6 kW 208 V thermostatic water heater for light commercial applications Two heating modules for heating water up to 3 gpm. ...

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    Original price $911.91 - Original price $2,832.45
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    $911.91 - $2,832.45
    $911.91 - $2,832.45
    Current price $911.91
  • Original price $312.00 - Original price $1,194.95
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    $312.00 - $1,194.95
    $312.00 - $1,194.95
    Current price $312.00

    Eemax EX65T & EX65T-DI Thermostatic Electric Tankless Water Heater

    Eemax

    Eemax Series One EX65T: 6.5 kW Thermostatic point of use water heater for hand washing and other low-flow applications that require precise temper...

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    Original price $312.00 - Original price $1,194.95
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    $312.00 - $1,194.95
    $312.00 - $1,194.95
    Current price $312.00
  • Original price $201.95 - Original price $268.95
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    $201.95 - $268.95
    $201.95 - $268.95
    Current price $201.95

    Eemax Series One Flow Controlled Electric Tankless Water Heater EX65

    Eemax

    EX65 Series One 6.5 kW 240 V electric tankless water heater for low-flow residential and commercial applications Flow controlled, single point of...

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    Original price $201.95 - Original price $268.95
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    $201.95 - $268.95
    $201.95 - $268.95
    Current price $201.95
  • Original price $355.88 - Original price $375.83
    Original price
    $355.88
    $355.88 - $375.83
    Current price $355.88

    Eemax SPEX8208 208V 40 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX8208 Flow Co 8300 Watt 208V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in any...

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    Original price $355.88 - Original price $375.83
    Original price
    $355.88
    $355.88 - $375.83
    Current price $355.88
  • Original price $349.41 - Original price $369.36
    Original price
    $349.41
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX4208 208V 20 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX4208 Flow Co 4100 Watt 208V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in any...

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    Original price $349.41 - Original price $369.36
    Original price
    $349.41
    $349.41 - $369.36
    Current price $349.41
  • Original price $349.41 - Original price $369.36
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    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX65 240V 27 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX65 Flow Co 6500 Watt 220V-240V water heater for point-of-use applications. Fixed temperature increase. Feature Highlights ≈ Mount it in ...

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    Original price $349.41 - Original price $369.36
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    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41
  • Original price $577.57 - Original price $651.49
    Original price
    $577.57
    $577.57 - $651.49
    Current price $577.57

    Eemax SPEX012240T 240V 48 amp LavAdvantage Electric Water Heater

    Eemax

    LavAdvantage SPEX012240T: 11.5 kW @ 240V Thermostatic instant-on water heater for point-of-use applications that require precise temperature contr...

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    Original price $577.57 - Original price $651.49
    Original price
    $577.57
    $577.57 - $651.49
    Current price $577.57
  • Original price $699.00 - Original price $718.95
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    $699.00 - $718.95
    Current price $699.00

    Eccotemp i12-LP Indoor Tankless Water Heater & Horizontal Vent Kit

    Eccotemp

    Eccotemp i12-LP Propane Indoor Tankless Water Heater & Horizontal Vent Kit Save time and money with this bundle of the i12-LP (liquid propane)...

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    Original price $699.00 - Original price $718.95
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    $699.00 - $718.95
    $699.00 - $718.95
    Current price $699.00
  • Original price $667.82 - Original price $687.77
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    $667.82 - $687.77
    $667.82 - $687.77
    Current price $667.82

    Eemax HomeAdvantage 18kW 240V HA018240 Electric Tankless Water Heater

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL HA018240 Eemax Electric Tankless Water Heater - HomeAdvantage II Eemax Electric tankless wate...

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    Original price $667.82 - Original price $687.77
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    $667.82 - $687.77
    $667.82 - $687.77
    Current price $667.82
  • Sold out
    Original price $449.99 - Original price $454.94
    Original price
    $449.99
    $449.99 - $454.94
    Current price $449.99

    Marey Eco 240 Stainless Steel Tankless Electric Water Heater

    Marey Heater Corp.

    The smartest hot water solution for the whole house. Saves up to 60% in energy costs versus a tank water heater, making it an environmentally fri...

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    Original price $449.99 - Original price $454.94
    Original price
    $449.99
    $449.99 - $454.94
    Current price $449.99
    Sold out
  • Original price $169.99 - Original price $174.94
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    $169.99 - $174.94
    $169.99 - $174.94
    Current price $169.99

    Marey Military Portable Outdoor LP Water Heater

    Marey Heater Corp.

    Small, rugged outdoor hot water solution with a great warranty. Features • Designed to conserve energy • Adjustable water and gas controls • Autom...

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    Original price $169.99 - Original price $174.94
    Original price
    $169.99 - $174.94
    $169.99 - $174.94
    Current price $169.99
  • Original price $2,361.57 - Original price $2,474.05
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    $2,361.57 - $2,474.05
    $2,361.57 - $2,474.05
    Current price $2,361.57

    Eemax Three Phase Electric Tankless Water Heater ED020480T2T

    Eemax

    ED020480T2T Three Phase 20 kW 480 V electric tankless water heater Perfect for high output commercial and industrial applications like malls, reta...

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    Original price $2,361.57 - Original price $2,474.05
    Original price
    $2,361.57 - $2,474.05
    $2,361.57 - $2,474.05
    Current price $2,361.57
  • Original price $1,578.00 - Original price $1,597.95
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    $1,578.00 - $1,597.95
    $1,578.00 - $1,597.95
    Current price $1,578.00

    Rinnai RL75iN Indoor Natural Gas Tankless Water Heater

    Rinnai

    Stop planning your evenings and mornings around your water heater. Now, you can set your own schedule, all thanks to the RL75iN. Ideal for 2 to 3...

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    Original price $1,578.00 - Original price $1,597.95
    Original price
    $1,578.00 - $1,597.95
    $1,578.00 - $1,597.95
    Current price $1,578.00
  • Original price $2,360.02 - Original price $2,688.40
    Original price
    $2,360.02 - $2,688.40
    $2,360.02 - $2,688.40
    Current price $2,360.02

    Eemax Three Phase Electric Tankless Water Heater EX180T2T

    Eemax

    EX180T2T Three Phase 18 kW 208V electric tankless water heater Perfect for high output commercial and industrial applications like malls, retail s...

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    Original price $2,360.02 - Original price $2,688.40
    Original price
    $2,360.02 - $2,688.40
    $2,360.02 - $2,688.40
    Current price $2,360.02
  • Original price $2,333.00 - Original price $2,352.95
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    $2,333.00 - $2,352.95
    $2,333.00 - $2,352.95
    Current price $2,333.00

    Rinnai RU199iN 199K BTU Indoor Natural Gas Tankless Water Heater

    Rinnai

    More hot water, faster with the Rinnai Sensei series The Rinnai Sensei series features an enhanced combustion design, to provide a better experie...

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    Original price $2,333.00 - Original price $2,352.95
    Original price
    $2,333.00 - $2,352.95
    $2,333.00 - $2,352.95
    Current price $2,333.00
  • Original price $457.75 - Original price $1,693.06
    Original price
    $457.75
    $457.75 - $1,693.06
    Current price $457.75

    Eemax SPEX80T 277V 29 amp LavAdvantage Commercial Electric Water Heater

    Eemax

    LavAdvantage SPEX80T: 8.0 kW Thermostatic point of use water heater for point-of-use applications that require precise temperature control Feature...

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    Original price $457.75 - Original price $1,693.06
    Original price
    $457.75
    $457.75 - $1,693.06
    Current price $457.75
  • Eccotemp L10 with handheld showerhead kit propane LPG tankless water heater
    Original price $429.00 - Original price $448.95
    Original price
    $429.00 - $448.95
    $429.00 - $448.95
    Current price $429.00

    Eccotemp L10 Outdoor Propane Tankless Water Heater + Shower Set

    Eccotemp

    Get the Eccotemp L10 Tankless Heater plus handheld showerhead and hose in one bundle. The Eccotemp L10 Tankless Heater provides non-stop...

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    Original price $429.00 - Original price $448.95
    Original price
    $429.00 - $448.95
    $429.00 - $448.95
    Current price $429.00
  • Navien NR-240A Natural Gas Condensing Gas Tankless Water Heater
    Original price $2,020.20 - Original price $2,040.15
    Original price
    $2,020.20 - $2,040.15
    $2,020.20 - $2,040.15
    Current price $2,020.20

    Navien NR-240A Natural Gas Condensing Gas Tankless Water Heater

    Navien America

    Replaced by NPE240A2NG Get an efficient, high performance condensing tankless water heater for limitless hot water. Navien Condensing Tankless Gas...

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    Original price $2,020.20 - Original price $2,040.15
    Original price
    $2,020.20 - $2,040.15
    $2,020.20 - $2,040.15
    Current price $2,020.20
  • Original price $68.00 - Original price $72.95
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    $68.00 - $72.95
    $68.00 - $72.95
    Current price $68.00

    Rinnai-Ubbink Condensate Collector, pn 224069

    Rinnai

    This termination kit is a component of the Ubbink concentric venting system. It is used frequently to turn an exiting two-vent system into a single...

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    Original price $68.00 - Original price $72.95
    Original price
    $68.00 - $72.95
    $68.00 - $72.95
    Current price $68.00
  • Original price $282.95 - Original price $994.95
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    $282.95 - $994.95
    $282.95 - $994.95
    Current price $282.95

    Eemax EX35T & De-ionized models, Thermostatic Electric Tankless Water Heater

    Eemax

    EX35T: 3.5 kW Thermostatic point of use water heater for hand washing and other low-flow applications that require precise temperature control. Fe...

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    Original price $282.95 - Original price $994.95
    Original price
    $282.95 - $994.95
    $282.95 - $994.95
    Current price $282.95
  • Original price $256.96 - Original price $994.95
    Original price
    $256.96 - $994.95
    $256.96 - $994.95
    Current price $256.96

    Eemax EX8208T & Deionized option Thermostatic Electric Tankless Water Heater

    Eemax

    Eemax EX8208T & EX8208T-DI (high-purity) 8.3 kW Series One Thermostatic point of use water heater for hand washing and other low-flow applicat...

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    Original price $256.96 - Original price $994.95
    Original price
    $256.96 - $994.95
    $256.96 - $994.95
    Current price $256.96
  • Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41

    Eemax Series One Single Point Electric Tankless Water Heater SP3012

    Eemax

    SP3012 Series One 3.0 kW 120 V electric tankless water heater for low-flow residential and commercial applications Flow controlled, single point ...

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    Original price $349.41 - Original price $369.36
    Original price
    $349.41 - $369.36
    $349.41 - $369.36
    Current price $349.41
  • Sold out
    Original price $429.00 - Original price $433.95
    Original price
    $429.00 - $433.95
    $429.00 - $433.95
    Current price $429.00

    Eccotemp 40H-NG Natural Gas Outdoor Tankless Water Heater

    Eccotemp

    The Eccotemp 40H-NG tankless hot water heater provides the hot water you need at an affordable price.The Eccotemp 40H-NG is a natural gas, 6.3 ...

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    Original price $429.00 - Original price $433.95
    Original price
    $429.00 - $433.95
    $429.00 - $433.95
    Current price $429.00
    Sold out
  • Original price $349.41 - Original price $369.36
    Original price
    $349.41
    $349.41 - $369.36
    Current price $349.41

    Eemax SPEX2412 120V 20 amp FlowCo Commercial Electric Water Heater

    Eemax

    Eemax SPEX2412 Flow Co 2400 Watt 110V-120V water heater for LOW FLOW point-of-use applications. Fixed temperature increase. Feature Highlights ≈ M...

    View full details
    Original price $349.41 - Original price $369.36
    Original price
    $349.41
    $349.41 - $369.36
    Current price $349.41
  • Original price $457.75 - Original price $1,693.06
    Original price
    $457.75 - $1,693.06
    $457.75 - $1,693.06
    Current price $457.75

    Eemax SPEX4277T 277V 15 amp LavAdvantage Commercial Electric Water Heater

    Eemax

    LavAdvantage SPEX4277T: 4100 W Thermostatic point of use water heater for point-of-use applications that require precise temperature control Featu...

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    Original price $457.75 - Original price $1,693.06
    Original price
    $457.75 - $1,693.06
    $457.75 - $1,693.06
    Current price $457.75