This is a heat pump type water heater that effectively utilizes the heat from the air to boil water.

Approximately 30% of the energy consumed at home is for hot water!

In fact, hot water heaters account for about 30% of the energy consumed in the home. Using an efficient hot water heater leads to energy savings.

Home energy consumption pie chart
expansion
Source: Agency for Natural Resources and Energy, "Energy Trends (June 2025 Edition)"

EcoCute produces hot water efficiently and economically!

An efficient system that uses heat from the air

EcoCute can obtain more than "3" of thermal energy by using "1" of electrical energy and "2" or more of air heat. Compared to conventional electric water heaters, the amount of electricity used is about one-third.

Image of an efficient system that utilizes air heat

The difference between an EcoCute and an electric water heater

Ecocute

Heat pump technology uses the heat from the air to efficiently boil water.

Image of how EcoCute works

Electric water heater

The water is heated directly by the heat from a heater installed inside the hot water storage tank, and the water is boiled.

Image of how an electric water heater works

Over 80% of those who purchased an EcoCute water heater are satisfied.

Are you satisfied with your EcoCute purchase?

Satisfied 43%, Somewhat satisfied 42%, Neither satisfied nor dissatisfied 12%, Somewhat dissatisfied 3%, Dissatisfied 0%

Quoted from the Japan Refrigeration and Air Conditioning Industry Association's "Survey on Purchase Motivation and User Satisfaction with Household Heat Pump Water Heaters" (conducted in November 2024).

What made you decide to buy an EcoCute?

[Multiple answers] n=825

Summary graph of answers that led to the decision to purchase an EcoCute
Summary graph of answers that led to the decision to purchase an EcoCute

Quoted from the Japan Refrigeration and Air Conditioning Industry Association's "Survey on Purchase Motivation and User Satisfaction with Household Heat Pump Water Heaters" (conducted in November 2024).

Save on utility bills!

Comparison of utility costs for hot water supply (comparison of Power usage charge only)

Price comparison chart for electric water heaters and EcoCute

Calculation conditions

Model for a family of four, hot water load: 18GJ/year monthly average, electric hot water heater usage: 460kWh/month, eco-cute usage: 140kWh/month

Kyushu Electric Power" All Electric Nighttime Select" (to be implemented on April 1, 2024) Power usage charge (Nighttime)

  1. The calculation results do not include Base charge, but include the equivalent amount of consumption tax, Adjustments for fuel costs, etc. (May 2026: 1.24 yen/kWh), and Renewable Energy Generation Promotion Surcharge (FY2026: 4.18 yen/kWh).
  2. This comparison is for utility costs only; initial costs and replacement costs for the equipment itself will be charged separately.
     
  3. This information is based on estimated conditions only, and actual utility costs will vary depending on your current Rate Plan, region, equipment efficiency, and usage conditions.
     
  4. This does not include the amount of electricity used or the fees for using electric hot water heaters or eco-cute to boil water during the day.
     
  5. Since there is no upper limit on fuel cost adjustments for All Electric Nighttime Select, if fuel prices are rising, the cost may be higher depending on your current Rate Plan.

About EcoCute Tanks

Peace of mind even in the event of a disaster!

The hot water (water) in the EcoCute tank can be used for daily life in the event of a water outage due to a disaster or other reason.

  1. It cannot be used as drinking water.
     
  2. Depending on the model, operation varies, with some models being unable to use stored hot or cold water.

Choice of tank shapes

You can choose according to the installation space, and there are types that can be installed in places with little depth or in narrow spaces.

Square (standard) type

Thin type

Tank capacity guideline

You can choose the tank capacity according to the number of family members.

Family of 3-4

370Lclass

Family of 4-5

460Lclass

Family of 5-7

550Lclass

Hot water supply types by function

Ecocute comes in different types depending on the functions they perform, such as filling the water tank with hot water, keeping it warm, and adding hot water.

Fully automatic type

This type automatically controls everything from filling the tub with hot water to keeping it warm and adding more hot water.

Image of fully automatic type
Image of fully automatic type
Image of semi-automatic type

When the water temperature or water level drops due to the settings

Automatically keeps water warm and adds hot water.

If the water gets cold, add more water.

High temperature water can be added.

Image of fully automatic type

Semi-automatic type

Automatic hot water filling. Can also add hot water or add more hot water.

Image of semi-automatic type

Bath remote control

It can addhigh temperature hot water, cold water, or hot water.

You can addhot water, cold water, or hot water by controlling the bath remote control.

Hot water only type

Image of hot water only type

Links to each manufacturer's website

(In alphabetical order)

Leasing is recommended for those concerned about initial costs

We recommend Kyuden Smart Lease, which offers simple pricing, generous guarantees, and high-quality, satisfying results!

No initial cost, peace of mind guarantee, satisfactory construction quality

With Kyuden Smart Lease, you can install induction cooking heaters and eco-cute with no initial costs!

*There are various conditions for lease contracts. For details, please check "Kyuden Smart Lease."

Real voices of customers who use all-electric appliances,
A simple summary of the benefits of all-electric homes!

All-electric brochure image
All-electric brochure image

All-electric recommended content