27 Best Electric Tankless Water Heater For Small House of 2024 [Best Reviews Guide]

CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again

SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs

EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work

TEMPRA 24 PLUS – This specific model is 24kW, 240V, requires a min recommended electric service of 150 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels, Tempra Plus tankless water heaters can be set to limit the maximum hot water temperature to 109°F. This can be important in some installations to prevent the possibility of scalding.

WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase

CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches

LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)

INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source

FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)

EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Product 1: Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT

Product 1: Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM

Product 1: Copper and stainless components designed for efficiency, durability and easy replacement.

Product 1: Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.

Product 2: HELPS PROTECT HOT WATER HEATERS: Polyphosphates, included in this product, help to inhibit scale build up in hot water heaters (both standard (gas or electric) and tank less styles) and boilers; Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads

Product 2: MAINTAINS EFFICIENCY: By inhibiting scale build up on heat elements, helps maintain water heater efficiency

Product 2: EASY TO REPLACE: Easy change out of the 3M Aqua-Pure AP431 Replacement Water Cartridge makes system maintenance easy

Product 2: HIGH FLOW RATES: 3/4 Inch NPT inlet/outlet connections for easy installation and high flow rates (rated for up to 10 GPM); System to be installed on cold water line feeding the water heater

Tankless water heater provides a continuous supply of hot water and only heats the water you need, when you need it

Breaker: 3 x 40 AMP double pole breakers

Wire Gauge Required: 3 X 8 AWG

Compact size saves valuable storage space

【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.

【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.

【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.

【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.

【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

UNLIMITED HOT WATER ON DEMAND - Tankless electric water heater provides instant, continuous water flow

WHOLE HOME SOLUTION - Easily provides enough hot water for a house or apartment

PERFORMANCE UP TO 3.8 GALLONS PER MINUTE (GPM) - Enough to run 1 faucet and 2 showers simultaneously in warm climates (*Results are based on 72˚F inlet water temperature and 105˚F outlet water temperature)

INTUITIVE INTERFACE AND SPACE SAVING DESIGN - Adjust temperature and settings with easy-use touch screen on a compact unit that takes up significantly less space than a tank style water heater

ENERGY EFFICIENT - Conserves energy and water by only using energy when hot water is in use, saving you money

☸【SUPERB QUALITY】Instant heating, no more waiting for hot water, especially suitable for big families.3 Seconds hot water, Unique fast heating element,no leakage,no need to wait long. No water flow stops heating, safe and intelligent.

☸【INTELLIGENT CONSTANT TEMPERATURE】High precise thermostat ensures a constant temperature.Water quantity stabilization device to reduce water temperature fluctuation.Continuous hot water for a better bathing experience.

☸【RAPID HEATING】This water heater can be started under low water pressure, thus to suit high buildings, small apartments, cabin or suburb area etc.Users on higher floors can also enjoy the shower experience.

☸【MULTI PROTECTION】Large LED screen shows temperature clearly, touch button for easy operation.Safe and long lifespan, automatic power-off when water is off and over-temperature protection.Fast & easy to install.

☸【SATISFACTORY SERIVCE】Meets your various needs such as used in kitchen, bath room, public restroom, etc.12 Months warranty, free return, if you have any questions, please do not hesitate to contact us, we will give you the most satisfactory reply in the fastest time.Click to buy now!

Lifetime warranty

Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater

Never run out of hot water with an ECOSMART tankless water heater

Patented Self Modulating Technology and design.Activation flow 0.3 GPM

ECOSMART tankless water heaters are 99.8-percent energy efficient

100 A

Endless hot water

Brand name: Eemax

Model number: HA036240

Country of Origin: United States

6 Piece Tank-less Water Heater Flush Kit. Helps maintain and extend the lifespan of your tank-less water heater. Kit comes with 5 gallon bucket with lid, 1/6 HP Pump, 2 Rubber hoses, descaler solution, and an elevated pump grate.

Works with most all tankless water heaters such as Rinnai, Bosch, Noritz, Rheem, Takagi, Tempra, Navien, Ecosmart, Stiebel, Eccotemp, Atmor, Trutankless, Marey Power, and others.

Our cleaning solution removes scale deposits from tankless water heaters, which helps improve its efficacy and lifespan. Its citric acid based, and solvent free formula is safe for use with most metals, PVC, Rubber and ABS plastic hoses and materials. Its also non corrosive and safe for potable water systems.

6 Foot hoses easily connect to tankless heater valves, and the kit will clean most heaters in 30 minutes or less! Usage instructions are included as an info-graphic on this listing as well as with your kit.

ChromeX manufactures thoughtful tools and accessories for both the do-it-yourselfer and the professional. Customer satisfaction is our main priority, so please don’t hesitate to contact us with any questions or concerns. All Chromex products also come with a 1 Year warranty and hassle-free returns.