Top 10 Whole House Tankless Water Heater Electric – Water Heaters

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1. Ecosmart

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27 KW at 240 Volts, EcoSmart ECO 27 Electric Tankless Water Heater, 112.5 Amps with Patented Self Modulating Technology,White

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Ecosmart #ad - Electrical requirements: 27 kW, 112. 5 maximum power amp, 240 volts, 3 8 required wire. Amperage Draw:113 A. Dimensions :17H x 17W x 3. 625d inches ;pipes fittings :3/4 inch NPT. 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.

Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 03 gpm. Savings of up to 50% on water heating costs. Recommended electrical Panel: 200 Amps. Required breaker quantity: Three 40 Amp Double Pole. Copper and stainless components designed for efficiency, durability and easy replacement.

Never run out of hot water with an ECOSMART tankless water heater. Prior to purchase & installation, 3 40 required breakers, please verify that this model is the right size for your hot water needs and electrical requirements. Digital temperature control in 1-degree increments gives users complete control of hot water. Save up to 12 cubic feet of storage space.
BrandEcosmart #ad
ManufacturerEcosmart #ad
Height17 Inches
Length3.63 Inches
Weight11 Pounds
Width17 Inches
Part NumberECO27
ModelECO 27
WarrantyLifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.

2. Rheem

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Rheem 240V 3 Heating Chambers RTEX-24 Residential Tankless Water Heater, GRAY

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Rheem #ad - Durable copper immersion three heating elements, field Serviceable. Flow rate: up to 5. 9 gpm. External digital thermostatic control with LED display +/1 degree accuracy. Simple installation – bottom 3/4 inch NPT water connections. Threaded for easy replacement, simple installation, digital temperature display. Most advanced self-modulation, adjust power to meet hot water demand.
BrandRheem #ad
ManufacturerRheem #ad
Height19 Inches
Length4 Inches
Weight17.8 Pounds
Width18 Inches
Part NumberRTEX-24
ModelRTEX-24

3. CAMPLUX

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27kW at 240V, On Demand Electric Water Heater Digital Display and Remote Control, TE27 Whole House Instant Water Heater, Camplux Electric Tankless Water Heater, Black

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CAMPLUX #ad - Reliable and durable- the 27kw tankless water heater comes with multiple protection. Install close to outlet for energy saving. Smart & considered design - the point of use tankless water heater design with touch control & digital display, smart and easy to set temperature.

Minimum activation water flow - camplux electric tankless water heaters just need 085 gpm water flow for activation. Please make sure it is the right size for you: 27kW at 240V, water pipes fitting: 3/4" NPT male. Stainless steel component for high efficiency and durability. Get hot water in seconds. Nfs approved, offer lead-free water. Instant endless hot water - enjoy instant and endless hot water! The on demand tankless water heater rated power up to 87, 500 BTU.

Compact design & multi-angled mounting - the compact size electric water heater requires a connection of 3* 50a 2 poles circuit breaker. Etl safety certified, leakage and overheat protection device to ensure your safety. No need to waiting and pre-heating. Easy to get water between 86°F - 125°F. Can be mounted multi-angled, ideal for kitchen, school, product dimensions 15.15" x 10
BrandCAMPLUX #ad
ManufacturerCamplux #ad
Height5.7 Inches
Length18.9 Inches
Weight16.15 Pounds
Width14.5 Inches
Part NumberTE27

4. Rheem

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GREY, Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small

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Rheem #ad - External digital thermostatic control with LED display +/1 degree accuracy. Threaded for easy replacement, simple installation, digital temperature display. Durable copper immersion two heating elements, field Serviceable. Flow rate- up to 4. 4 gpm. Simple installation – bottom 3/4 inch NPT water connections. Most advanced self-modulation, adjust power to meet hot water demand.
BrandRheem #ad
ManufacturerRheem #ad
Height19 Inches
Length4 Inches
Weight8.5 Pounds
Width15 Inches
Part NumberRTEX-18
ModelRTEX-18

5. Rheem

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Rheem 240V 4 Heating Chambers RTEX-36 Residential Tankless Water Heater

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Rheem #ad - Durable copper immersion four heating elements, field Serviceable. Most advanced self-modulation, adjust power to meet hot water demand. Simple installation – bottom 3/4 inch NPT water connections. External digital thermostatic control with LED display +/1 degree accuracy. Threaded for easy replacement, simple installation, digital temperature display. Amperage:150 amps. A max flow of 8. 0 gpm.
BrandRheem #ad
ManufacturerRheem #ad
Height19 Inches
Length4 Inches
Weight22.7 Pounds
Width22 Inches
Part NumberRTEX-36
ModelRTEX-36

6. Stiebel Eltron

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50/60 Hz, Stiebel Eltron 224199 240V, Advanced Flow Control, 1 Phase, 24 kW Tempra 24 Plus Whole House Tankless Electric Water Heater

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Stiebel Eltron #ad - Save at least 15-20% on the hot water portion of your electric bill. Voltage : 240 volt or 208 Volt. Digital temperature control. No venting required. Proven reliability. Sleek design fits anywhere.
BrandStiebel Eltron #ad
ManufacturerStiebel Eltron #ad
Height9.6 Inches
Length21.7 Inches
Weight16.1 Pounds
Width20.1 Inches
Part NumberTempra 24 Plus
ModelTempra 24 Plus
Warranty7 years leakage/ 3 years parts

7. Ecosmart

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EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

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Ecosmart #ad - Ecosmart tankless water heaters are 99. 8-percent energy efficient. Uniform Energy Factor:098. Patented self Modulating Technology and design. Never run out of hot water with an ECOSMART tankless water heater. Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater. Lifetime warranty.
BrandEcosmart #ad
ManufacturerEcosmart #ad
Height11.5 Inches
Length3.75 Inches
Weight6.5 Pounds
Width8 Inches
Part NumberECO 11
ModelECO 11
WarrantyLifetime warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.

8. Stiebel Eltron

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White, Eco, Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water

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Stiebel Eltron #ad - Tempra 24 plus – this specific model is 24kw, requires a min. Savings monitor even shows how much you save on energy costs. It’ll reduce flow slightly if hot water demand exceeds capacity. Warranties included – stiebel eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability.

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 measure water flow. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels. Continuous flow – advanced flow control german patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort.

Recommended household electric service of 150 A, 240V/208V, and offers an output water temperature of 86˚ to 140˚F. Easy operation – electronic flow sensor switches on the powerful solid copper interior heating system of the water heater. It’s noise free while in use and has a digital temperature display and preset temperature memory buttons. Our 7-year leakage and 3-Year Parts Warranties are included with purchase.
BrandStiebel Eltron #ad
ManufacturerStiebel Eltron #ad
Height14.5 Inches
Length4.63 Inches
Weight1 Pounds
Width16.63 Inches
Part Number239222
Model239222

9. Sio Green

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Corrosion Free, Instant Hot Water Heater, Free Maintenance, 240v / 80A / 18kW, 220v, Sio Green SIO18 v2 Infrared Electric Tankless Water Heater

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Sio Green #ad - Adjust it to your exact needs effortlessly! our electric tankless hot water heater features Automatic Power Technology so you can easily tailor its performance to your family’s needs and saving the energy and only use what you need, which is ideal for any home application. 100% satisfaction or your money back! that’s our guarantee! if you are not 100% satisfied with your budget-friendly, space-saving and ultra-practical tankless water heater within 30 days, we will offer you a refund or a replacement.

The ergonomic size and simple yet innovative construction will allow you to install it almost anywhere, kitchens or cabinets, stores or restaurants! As a result, which will in turn prevent corrosion, NO CORROSION, you will have to spend $0 on maintenance or replacements!. No questions asked! what are you waiting for? Get yours now while supplies last! Save your bathroom or kitchen space with our compact water heater, including hotels, which is not only ideal for small bathrooms, but can be also installed easily.

The infrared heating design will heat only the water you use, no maintenance! that’s right! our tankless hot water electric heater will create heat without direct contact with metals, NO COIL METALLIC ELEMENTS, thus allowing you to save time and money! Patented technology, limescale deposit and calcium buildup. Hot water anytime you want without any hassle! the sio green premium tankless water heater is here to help you enjoy your hand wash or wash the dishes with warm water anytime you want without any fuss.
BrandSio Green #ad
ManufacturerSio Green #ad
ModelSio18

10. iHeat Tankless

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7.5 lb, iHeat Tankless S-16 240V 66A 16KW Stainless Steel Enclosure 7.2" by 11" by 3" 1/2"CPT 36' AWG#8 Electric Water Heater

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iHeat Tankless #ad - Heat tank less water heater saves you up to 60% on your water heating costs. Water proof construction allows you to easily and safely control the temperature by using our water proof interactive touch pad.

Heat tank less s series can also be used in highly sterile applications like commercial kitchens, hospitals, clinics, and even schools where cleanliness is of the highest importance. Dimensions: 11. 5 x 9 x 4. 5 inches. Heat tank less s series saves valuable space with its compact size, is small enough to fit any under counters installations, the s series compared to tank Type water heaters, or even closets. The heat tank less stainless steel construction is a perfect fit for any applications near the ocean, yachts, like beach front properties, small boats, resorts and outdoor kitchens.
BrandiHeat Tankless #ad
ManufactureriHeat Tankless #ad
Height11.5 Inches
Length3.5 Inches
Width7.7 Inches
Part NumberS-16
Model-P
Warranty1 yr Elements limited 3-Year Components 5-yr leaks