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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...)

  • Original price $590.36 - Original price $610.31
    Original price
    $590.36 - $610.31
    $590.36 - $610.31
    Current price $590.36

    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 $590.36 - Original price $610.31
    Original price
    $590.36 - $610.31
    $590.36 - $610.31
    Current price $590.36
  • Original price $58.95 - Original price $63.90
    Original price
    $58.95 - $63.90
    $58.95 - $63.90
    Current price $58.95

    Eemax EX480 Replacement Element, SP3012 EX3012 SPEX3012 EX3012T

    Eemax

    Replacement Element for SP3012, EX3012, SPEX3012, EX3012T, SPEX3012T Alternate part number: EX480SP   SP3012, EX3012, SPEX3012, EX3012T, ...

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    Original price $58.95 - Original price $63.90
    Original price
    $58.95 - $63.90
    $58.95 - $63.90
    Current price $58.95
  • Original price $499.99 - Original price $504.94
    Original price
    $499.99 - $504.94
    $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
    Original price
    $499.99 - $504.94
    $499.99 - $504.94
    Current price $499.99
  • Electric Tankless Water Heater - Series Two Whole House
    Instant, unlimited hot water supply
    Original price $602.28 - Original price $1,870.71
    Original price
    $602.28 - $1,870.71
    $602.28 - $1,870.71
    Current price $602.28

    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 $602.28 - Original price $1,870.71
    Original price
    $602.28 - $1,870.71
    $602.28 - $1,870.71
    Current price $602.28
  • Low output water heater for point of use installation
    Original price $312.00 - Original price $1,194.95
    Original price
    $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
    Original price
    $312.00 - $1,194.95
    $312.00 - $1,194.95
    Current price $312.00
  • Takagi TK-110U-I-N Indoor NG Ultra-Low NOx Tankless Water Heater
    Original price $1,049.00 - Original price $1,049.00
    Original price
    $1,049.00
    $1,049.00 - $1,049.00
    Current price $1,049.00

    Takagi TK-510U Indoor-Outdoor NG-LP Ultra Low NOx 199K BTU Tankless

    Takagi

    Modulating, compact, wall-mounted tankless water heater.Whole-house for multiple simultaneous points of use. Commercial applications, too.Ultra-lo...

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    Original price $1,049.00 - Original price $1,049.00
    Original price
    $1,049.00
    $1,049.00 - $1,049.00
    Current price $1,049.00
  • Eemax SPEX8208 FlowCo Commercial Sink Electric Water Heater
    Original price $242.09 - Original price $247.04
    Original price
    $242.09
    $242.09 - $247.04
    Current price $242.09

    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 $242.09 - Original price $247.04
    Original price
    $242.09
    $242.09 - $247.04
    Current price $242.09
  • Eemax SPEX4208 FlowCo Commercial Sink Electric Water Heater
    Original price $239.00 - Original price $243.95
    Original price
    $239.00
    $239.00 - $243.95
    Current price $239.00

    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 $239.00 - Original price $243.95
    Original price
    $239.00
    $239.00 - $243.95
    Current price $239.00
  • Eemax SPEX65 FlowCo Commercial Sink Electric Water Heater
    Original price $237.69 - Original price $242.64
    Original price
    $237.69 - $242.64
    $237.69 - $242.64
    Current price $237.69

    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 $237.69 - Original price $242.64
    Original price
    $237.69 - $242.64
    $237.69 - $242.64
    Current price $237.69
  • Eemax SPEX012240T LavAdvantage POU Electric Water Heater
    Eemax SPEX012240T LavAdvantage 11500W Electric Water Heater
    Original price $550.92 - Original price $607.00
    Original price
    $550.92
    $550.92 - $607.00
    Current price $550.92

    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 $550.92 - Original price $607.00
    Original price
    $550.92
    $550.92 - $607.00
    Current price $550.92
  • Bundle of Eccotemp i12-LP Indoor Tankless Water Heater & Horizontal Vent Kit
    Original price $429.00 - Original price $433.95
    Original price
    $429.00 - $433.95
    $429.00 - $433.95
    Current price $429.00

    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 $429.00 - Original price $433.95
    Original price
    $429.00 - $433.95
    $429.00 - $433.95
    Current price $429.00
  • Eemax HomeAdvantage II HA018240 Electric Tankless Water Heater
    Original price $454.76 - Original price $459.71
    Original price
    $454.76 - $459.71
    $454.76 - $459.71
    Current price $454.76

    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 $454.76 - Original price $459.71
    Original price
    $454.76 - $459.71
    $454.76 - $459.71
    Current price $454.76
  • Titan-SCR2 Electronic Digital Tankless Water Heater
    Original price $243.00 - Original price $243.00
    Original price
    $243.00
    $243.00 - $243.00
    Current price $243.00

    Niagara Industries Titan-SCR2 Electronic Digital Tankless Water Heater

    Niagara Industries

    The Titan-SCR2 is the new and more advanced version of the classic Titan-ATC, with even better performance and reliability. The Titan-SCR2 features...

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    Original price $243.00 - Original price $243.00
    Original price
    $243.00
    $243.00 - $243.00
    Current price $243.00
  • Indoor water heating system
    Original price $1,174.12 - Original price $1,194.07
    Original price
    $1,174.12 - $1,194.07
    $1,174.12 - $1,194.07
    Current price $1,174.12

    AO Smith ATI-540H-N Indoor NG Ultra-Low NOx Condensing Tankless

    A. O. Smith

    199,000 BTU tankless gas water heater with Ultra-Low NOx emissionsEasy, inexpensive venting with PVC Features • Primary heat exchanger is construct...

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    Original price $1,174.12 - Original price $1,194.07
    Original price
    $1,174.12 - $1,194.07
    $1,174.12 - $1,194.07
    Current price $1,174.12
  • Marey Eco 240 Tankless Electric Water Heater
    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
  • Marey Military Portable Outdoor LP Water Heater
    Original price $169.99 - Original price $174.94
    Original price
    $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
  • Instant water heating supply for restaurants, schools, malls
    Original price $1,559.73 - Original price $1,633.99
    Original price
    $1,559.73 - $1,633.99
    $1,559.73 - $1,633.99
    Current price $1,559.73

    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 $1,559.73 - Original price $1,633.99
    Original price
    $1,559.73 - $1,633.99
    $1,559.73 - $1,633.99
    Current price $1,559.73
  • Rinnai RL75i Tankless On-demand Gas Water Heater
    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

    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
  • Endless, instant supply of hot water
    Original price $1,558.70 - Original price $1,775.59
    Original price
    $1,558.70 - $1,775.59
    $1,558.70 - $1,775.59
    Current price $1,558.70

    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 $1,558.70 - Original price $1,775.59
    Original price
    $1,558.70 - $1,775.59
    $1,558.70 - $1,775.59
    Current price $1,558.70
  • Small, low flow water heater for point of use
    Original price $218.95 - Original price $268.95
    Original price
    $218.95 - $268.95
    $218.95 - $268.95
    Current price $218.95

    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 $218.95 - Original price $268.95
    Original price
    $218.95 - $268.95
    $218.95 - $268.95
    Current price $218.95
  • Eemax HA-P046 Thermistor, SHORT TIPS
    Original price $29.90 - Original price $34.85
    Original price
    $29.90 - $34.85
    $29.90 - $34.85
    Current price $29.90

    Eemax HA-P046 Thermistor HA018240 HA024240 HA027240, inlet-outlet set

    Eemax

    HA-P046 thermistor inlet/outlet temp. sensor set for Eemax HA018240, HA024240, HA027240 HomeAdvantage/ProAdvantage MAKE SURE YOUR THERMISTOR TIPS ...

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    Original price $29.90 - Original price $34.85
    Original price
    $29.90 - $34.85
    $29.90 - $34.85
    Current price $29.90
  • Rinnai RU199i-N Sensei Series Indoor Nat. Gas Tankless Water Heater
    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

    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
  • Eemax SPEX80T LavAdvantage POU Office Electric Water Heater
    Eemax SPEX80T LavAdvantage Commercial Sink Electric Water Heater
    Original price $311.39 - Original price $1,151.74
    Original price
    $311.39 - $1,151.74
    $311.39 - $1,151.74
    Current price $311.39

    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 $311.39 - Original price $1,151.74
    Original price
    $311.39 - $1,151.74
    $311.39 - $1,151.74
    Current price $311.39
  • Home/residential electric hot water heating
    Original price $405.00 - Original price $495.00
    Original price
    $405.00 - $495.00
    $405.00 - $495.00
    Current price $405.00

    Niagara Industries Titan-SCR4 Electronic Digital Tankless Water Heater

    Niagara Industries

    The Titan-SCR4 was designed to meet the ever-growing demand for hot water modern homes. It's also suited for use in the colder northern states wher...

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    Original price $405.00 - Original price $495.00
    Original price
    $405.00 - $495.00
    $405.00 - $495.00
    Current price $405.00
  • Rinnai 224069 Ubbink Condensate Collector dimensions
    Rinnai Ubbink 224069 Condensate Collector
    Original price $68.00 - Original price $72.95
    Original price
    $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
  • Water heater for home, restaurant, and hotel sinks
    Original price $282.95 - Original price $994.95
    Original price
    $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
  • Precise temperature controlled water heater
    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
  • On demand POU hot water system
    Original price $201.95 - Original price $268.95
    Original price
    $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
    Original price
    $201.95 - $268.95
    $201.95 - $268.95
    Current price $201.95
  • Eccotemp 40H-NG Natural Gas Outdoor Tankless Water Heater
    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
  • Eemax SPEX2412 FlowCo Commercial Sink Electric Water Heater
    Original price $237.69 - Original price $242.64
    Original price
    $237.69
    $237.69 - $242.64
    Current price $237.69

    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...

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    Original price $237.69 - Original price $242.64
    Original price
    $237.69
    $237.69 - $242.64
    Current price $237.69
  • Eemax SPEX4277T LavAdvantage POU Office Electric Water Heater
    Eemax SPEX4277T LavAdvantage Commercial Sink Electric Water Heater
    Original price $436.61 - Original price $2,063.90
    Original price
    $436.61 - $2,063.90
    $436.61 - $2,063.90
    Current price $436.61

    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 $436.61 - Original price $2,063.90
    Original price
    $436.61 - $2,063.90
    $436.61 - $2,063.90
    Current price $436.61
  • Eccotemp 45HI-LP Indoor Liquid Propane Tankless Water Heater
    Original price $529.00 - Original price $533.95
    Original price
    $529.00 - $533.95
    $529.00 - $533.95
    Current price $529.00

    Eccotemp 45HI-LP Indoor Liquid Propane Tankless Water Heater

    Eccotemp

    140,000 BTU heater for homes with up to 2 bathrooms The 45HI is the indoor equivalent of the 45H Eccotemp outdoor tankless water heater. It is desi...

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    Original price $529.00 - Original price $533.95
    Original price
    $529.00 - $533.95
    $529.00 - $533.95
    Current price $529.00
  • Stiebel Eltron Mini Electric Tankless Water Heater
    Stiebel Eltron Mini Electric Tankless Water Heater
    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95

    Stiebel Eltron Mini POU Electric Tankless Water Heater

    Stiebel Eltron

    Get the superior, reliable, and energy-saving tankless electric water heater for point-of-use applications. The Stiebel Eltron Mini line was design...

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    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95
  • LP/NG tankless water heating system
    Original price $1,549.00 - Original price $1,568.95
    Original price
    $1,549.00 - $1,568.95
    $1,549.00 - $1,568.95
    Current price $1,549.00

    Noritz NRCP1112 11.1 GPM Indoor Liquid Propane Condensing Tankless Water Heater

    Noritz

    Get energy-efficient, endless, hot water at a low installation cost. The NRCP1112 indoor condensing tankless water heater can provide up to 11 gal ...

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    Original price $1,549.00 - Original price $1,568.95
    Original price
    $1,549.00 - $1,568.95
    $1,549.00 - $1,568.95
    Current price $1,549.00
  • Eemax HomeAdvantage II HA027240 Electric Tankless Water Heater
    Original price $647.93 - Original price $657.88
    Original price
    $647.93 - $657.88
    $647.93 - $657.88
    Current price $647.93

    Eemax HomeAdvantage 27kW 240V HA027240 Electric Tankless Water Heater

    Eemax

    #1 US Brand of Electric Tankless Water Heaters MODEL HA027240 Eemax Electric Tankless Water Heater - HomeAdvantage II Eemax Electric tankless wat...

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    Original price $647.93 - Original price $657.88
    Original price
    $647.93 - $657.88
    $647.93 - $657.88
    Current price $647.93
  • Residential electric tankless water heater
    Original price $333.00 - Original price $337.95
    Original price
    $333.00 - $337.95
    $333.00 - $337.95
    Current price $333.00

    Niagara Industries Titan-SCR3 Electronic Digital Tankless Water Heater

    Niagara Industries

    With more than twenty years of experience, Niagara Industries has designed a tankless water heater with outstanding improvements in performance, ef...

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    Original price $333.00 - Original price $337.95
    Original price
    $333.00 - $337.95
    $333.00 - $337.95
    Current price $333.00