This is a heat pump type water heater that effectively utilizes the heat from the air to boil 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.
- expansion
- Source: Agency for Natural Resources and Energy
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.
エコキュート
Heat pump technology uses the heat from the air to efficiently boil water.
電気温水器
The water is heated directly by the heat from a heater installed inside the hot water storage tank, and the water is boiled.
Quoted from the Japan Refrigeration and Air Conditioning Industry Association's "Survey on Motivations for Purchasing Residential Heat Pump Water Heaters and Satisfaction with Use" (conducted in January 2022)
[Multiple answers] n=518
Quoted from the Japan Refrigeration and Air Conditioning Industry Association's "Survey on Motivations for Purchasing Residential Heat Pump Water Heaters and Satisfaction with Use" (conducted in January 2022)
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)
- This fee does not include Base charge, but includes the equivalent of consumption tax, Adjustments for fuel costs, etc. (May 2025: 2.10 yen/kWh) and Renewable Energy Generation Promotion Surcharge (FY2025: 3.98 yen/kWh).
- This comparison is based on utility costs only; initial costs and replacement costs for the equipment itself will be required separately.
- This information is based on estimated conditions only, and actual utility costs will vary depending on the region, equipment efficiency, usage conditions, etc.
- 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.
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.
- It cannot be used as drinking water.
- Depending on the model, operation varies, with some models being unable to use stored hot or cold water.
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.
角型（標準）タイプ
薄型タイプ
You can choose the tank capacity according to the number of family members.
家族3〜4人
370Lクラス
家族4〜5人
460Lクラス
家族5〜7人
550Lクラス
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.
This type automatically controls everything from filling the tub with hot water to keeping it warm and adding more hot water.
設定により湯温・水位が下がると
自動で保温・たし湯します。
お湯が冷めたら、追いだきや
高温さし湯ができます。
Automatic hot water filling. Can also add hot water or add more hot water.
お風呂のリモコン操作で
高温さし湯、さし水、たし湯ができます。
お風呂のリモコン操作で高温さし湯、さし水、たし湯ができます。
(In alphabetical order)
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