20 Best Electric Tankless Water Heater For Whole House (2023 Updated)

EcoSmart ECO 27 is a 27-kilowatt tankless electric water heater ideal for providing hot water for apartments, condominiums, townhomes and other whole home applications. It can provide between 2. 7 and 6.

5 gallons-per-minute depending on the inlet water temperature. To select the best solution for your hot water needs, please refer to the sizing guide. With EcoSmart you will be happier knowing the warm water you expect is available endlessly, consistently, and on-demand, allowing you to reduce your water and energy waste.

Now that feels warm all over! EcoSmart – Sharing the Warmth.

The Tempra 29 Trend is capable of providing consistently hot water to several fixtures at once while reducing energy usage. 240/208V – 28. 8 kW copper tankless electric w. digital thermostat Tempra Trend models feature a memory preset that makes it easy to return to your ideal water temperature at the push of a button.

With the Tempra Trend, you’ll enjoy endless hot water, unrivaled efficiency, and the utmost in comfort. A Stiebel Eltron Tempra responds directly to your demand for hot water without interruption. Showers will always be hot, even if there are several taken in a row and they run long.

Every Tempra has self-modulation. Self-modulation ensures that only the least amount of energy is used at all times.

The Bosch 9 kW tankless water heater is a point-of-use water heater that helps eliminate long waits for hot water. Ideal for isolated sink locations in a home, office, warehouse or service station. A copper heat exchanger, 98% efficiency and the ability to heat only the water you use mean that you save water, energy and money.

Units are compact and can be installed in any direction for flexible installation configurations.

Unlike conventional tank water heaters, which constantly consume energy to keep your water hot 24/7, this state-of-the-art, digital technology will instantly reduce your energy consumption and save you money on energy costs simply by heating water on demand.

The unit does NOT require any gas lines or venting, and the compact design allows you flexibility to install virtually anywhere – in a cabinet, closet, garage, basement, etc. You can be sure to earn some precious space by installing this unit! (IMPORTANT: inlet temps vary by location and seasonality.

Selecting the right water heater depends on your incoming water temperature, flow rate, and desired output temperature. See Performance Guide or Manual before purchasing) Can serve up to 5 applications (2 showers, 1 dishwasher and 1 faucet in in Warm to Hot Climates) Reference the performance guide to confirm this unit will provide sufficient hot water to meet your need Requires 3 x 40A double-pole breakers, 3 x 8/2 AWG wires, 240V Saves up to 50% on water heating costs Stainless Steel, non-corrosive, lead free internal canisters and piping Standard 1/2 in.

Get hot water for your space with this Performance Self-Modulating Tankless Electric Water Heater. This energy-efficient water heater delivers an endless hot water supply and consistent temperature with a self-modulating technology that adjusts energy based on your hot water needs.

With the electronic thermostatic temperature, you can easily read the incoming water temperature and control it in one-degree increments. Point-of-use installation and compact size makes this Performance water heater a convenient choice.

TITAN Electronic Tankless Water Heater has been around for over 35 years and is ideal for a wide range of applications. These models could be used anywhere from point of use to whole entire house (all depending on ground water temperature going into the unit).

They are energy efficient and therefore you will be saving on energy cost. The electrical specifications are based on 220-Volt/240-Volt Be sure to check specifications on unit being purchased. Voltage, amperage, breaker and wire may vary depending on local electrical standards.

Consult a professional plumber and electrician for guidance. Remember, that any adjustments made on your unit will take seconds to reach point of use. Water temperature from 105°F to 120°F is adequate for all practical purposes.

Having a proper water heater for your home is essential when it comes to engaging in everyday tasks. The Marey ECO150 Electrical Tankless Water Heater provides a reliable solution while helping you cut down on energy costs.

With 14. 5 kilowatts of power, you’ll experience efficient heating and flow rate. The water heating unit features heating increases every 29-degrees Fahrenheit at a 3. 5 GMP flow rate. Enjoy 2 points of use as the water heater can run 2 showers at the same time in hot climates.

The heater is easy to use with the included LCD digital panel for clear readings, controls, and a user-friendly operation. Designed with durability in mind, the stainless steel water channel and heating chamber feature long-lasting use and years of providing you hot water.

Plus, the corrosion-resistant heating element help prevents water build-up from chlorine and calcium for added sustainability. Please have a professional plumber or electrician install the heater no more than 40 feet from the intended point of use for the highest safety and quality.

Have the hot water you deserve at a lower energy consumption with the Marey ECO150 Tankless Water Heater.

Airthereal electric tankless water heaters deliver a continuous flow of hot water. With no need to reheat more water in the tank, saving up to 50% on your water heating utility bill.

Stiebel Eltron Tempra 24 Plus Water Heater is compared to a conventional electric tank water heater, a water heater will typically use 15-20% less energy, although savings can be substantially higher depending on usage habits.

Conventional electric tank water heaters continually store hot water and as a result lose 15-20% of the total energy they consume to the environment around them. This is called standby heat loss.

EcoSmart ECO 11 is ideal for handwashing in cooler climates and are perfect for a bathroom, small sink or office breakroom. In warmer climates, ECO 11 can provide continuous hot water at up to 2. 6 gallons per minute, supporting a bathroom shower or kitchen sink.

This model has a digital display showing output temperature and can be adjusted in 1-degree increments. EcoSmart water heaters are durable, compact and easy to install.

Water Heaters Tankless electric configured for climates where incoming water temperature is 62 degrees F and above. Capable of heating over 2. 5 gpm. Digital temperature control allows temperature settings in 1 degree increments.

Voltage: 240, single phase, 18 kW, amperage draw: 75 amps,required breaker: 2 x 40 DP, required wire: 2×8 AWG, Pipe fittings: 3/4″ NPT, Dimensions 18″ x 14″ x 3. 75″.

Rheem RTEX-13 Electric Water Heater – Provides Easy Hot Water in Your Household The Rheem 13kW tankless water heater provides amply heated water for your entire household. This unit permits reduced power consumption with 99.

8% energy efficiency factor. The compact profile has a small footprint that while permitting an easy installation saves a lot of space. The included automatic thermostat keeps the water at a desired temperature.

With a robust copper element, you can instantly heat the water for your entire household.

This water heater provides instant and continuous hot water for up to 3 showers and 2 faucets (based on geographic location). Tankless Electric. Instant, continuous hot water: instantly provides ample hot water for up to 3 showers and 2 faucets (review selection guide below to confirm this water heater will provide the hot water needed based on your geographic location).

Electric Tankless Water Heater, Whole House, Water Heater Application General Purpose, Commercial/Residential, Watts – Water Heaters 10,800/14,400, Amps – Water Heaters 60 A, Voltage – Water Heaters 208/240, Min.

Flow Activation 0. 5 gpm, Phase – Water Heaters 1, Temp. Range – Water Heaters 70 Degrees to 140 Degrees F, Water Connection 3/4 in NPT, Temp. Rise @ 0. 5 GPM 92 Degrees F, Temp. Rise @ 1. 5 GPM 65 Degrees F, Temp.

Rise @ 6. 0 GPM Limited to Thermostatic Setting.

Electric Tankless Water Heater, Whole House, Water Heater Application General Purpose, Commercial/Residential, Watts – Water Heaters 18,000 W, Amps – Water Heaters 75 A, Voltage – Water Heaters 208/240, Min.

Flow Activation 0. 3 gpm, Phase – Water Heaters 1, Temp. Range – Water Heaters 80 Degrees to 140 Degrees F, Water Connection 3/4 in NPT, Temp. Rise @ 6. 0 GPM Limited to Thermostatic Setting, Temp. Rise @ 2.

5 GPM – Water Heaters 49 Degrees F, Temp. Rise @ 4. 0 GPM 31 Degrees F.

The Rheem RTEX – 13 is tankless electric water heaters that offer continuous hot water quick and on demand for single point-of-use or multiple applications. For easy use, it has an external adjustable digital thermostatic control with LED display.

The controller increments at 1°F ranging from 80°F to 140°F. The Rheem RTEX 13 is the replacement model for the Rheem RTE 13.

Electric Tankless Water Heater, Point-of-Use, Water Heater Application General Purpose, Commercial/Residential, Watts – Water Heaters 8,000 W, Amps – Water Heaters 33 A, Voltage – Water Heaters 240, Min.

Flow Activation 0. 3 gpm, Phase – Water Heaters 1, Temp. Range – Water Heaters 80 Degrees to 140 Degrees F, Water Connection 1/2 in NPT, Temp. Rise @ 1. 5 GPM 36 Degrees F, Temp. Rise @ 6. 0 GPM Limited to Thermostatic Setting, Temp.

Rise @ 2. 5 GPM – Water Heaters 22 Degrees F.

At 99. 8% energy efficient, this series of tankless water heater is more efficient than your standard electric tank-based hot water heater. Instantaneous water heaters can be used as single point-of-use or multiple applications.

The Bosch US3 Tronic 3000 electric tankless water heater is designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks. This 3. 4 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger.

The unit runs at 98% thermal efficiency, so stand-by loss is minimal. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces. This item requires professional installation and hardwiring.

With its top performance specifications and versatility, the US3 Tronic 3000 is a great way to get the hot water going in kitchens, offices, at warehouses, service stations, stores, and concession stands.

Stiebel Eltron has been a world leader in advanced water heating technology for almost 90 years. Our engineering excellence and high-quality manufacturing results in products fulfilling the highest expectations of performance & reliability.

Tempra Series whole house tankless electric water heaters are 99% efficient and never waste energy storing hot water, but endlessly deliver it as needed. Tempras need no venting. Installation can be close to draw off points, making the wait for hot water as short as possible & maximizing energy savings.

Tempras are sized based on the number of bathrooms. Tempras supply water at a constant temperature from 86 to 140 degrees F that is settable on the front panel. Tempra Plus models incorporate Advanced Flow Control that automatically reduces flow to deliver water at the set point if demand exceeds capacity.

Regular Tempra models do not have this feature.