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Air to Water Heat Pump Systems

Not only do Daikin heat pumps offer economical heating of residential and commercial settings, they can also provide a total solution for domestic heating and hot water supply. Connecting solar collectors to the heat pump system further increases efficiency and savings.

Daikin Advantage

  • Energy Efficiency

    Daikin advanced heat pump and inverter technologies deliver optimum energy efficiency.

  • Wide Selection

    Daikin’s lineup of residential- and commercial-use heat pump systems fully meet hot water needs for suitable temperature and amount.

  • Quiet Operations

    Unique designs, including inverter-driven compressors and natural convection heat distribution, ensure quiet operation of Daikin indoor and outdoor units.

  • Integrated Heating and Hot Water

    Installation space and costs are greatly reduced with one integrated system for heating and hot water supply.


Total Heating and Hot Water Solution

  • Outdoor unit
  • Heating and Cooling with Convector Integration
  • Integrated indoor unit
  • Floor heating system
Interior spaces can be warmed using the hot water generated by the heat pump.
Both heating and cooling are possible with an extremely low level of sound during operation.

Daikin Altherma Low Temperature


Hot Water for the Home

Hot water is always available with Daikin’s air to water heat pump system along with outstanding energy savings.

Floor Heating for the Home

Interior spaces can be warmed using the hot water generated by a heat pump.

Sports Gym

A total solution is delivered to a wide range of temperature needs that include cooling the workout room and heating the sauna and pool.


Hotels require a large amount of hot water to be available 24 hours a day, and Daikin meets their needs with a highly reliable solution.

Product Lineup

Residential Low Temperature Type

Hot water heated to 55℃ is available for floor heating and low temperature radiators. Both heating and cooling can operate using heat pump.

Residential High Temperature Type

Hot water heated to 80℃ is available for domestic hot water and high temperature radiators. Both heating and cooling can operate using heat pump.

Residential Hybrid Type

Domestic hot water is efficiently supplied even when temperature is low with the combination of a heat pump type hot water heater and a gas boiler.

Residential Heat Pump Boiler

A dedicated domestic hot water heater using the refrigerant CO2 provides ample hot water for baths and showers.

  • *Sold only in Japan

Commercial Type

A large outdoor unit provides facilities such as apartments, hotels, and sports gyms with a plentiful supply of hot water.

Additional Information

Solar Connection

For even greater savings, solar collectors can be connected to deliver about 60% of a household’s hot water energy needs throughout the year.

Daikin and Refrigerants

Daikin is a comprehensive manufacturer that also produces the refrigerant used in its air conditioning equipment.

Preventive Maintenance Service

To ensure greater energy savings, long product life, and comfort, Daikin offers these services.


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