Daikin Altherma heat pumps

Daikin Altherma

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Daikin Altherma low temperature split (4.4 - 16.1 kW):


Best seasonal efficiencies providing the highest savings on running costs. Perfect fit for new builds, as well as for low-energy houses with under floor heating, fan coils and low temperature radiators. Daikin Altherma low temperature has a guaranteed operation down to an outside temperature of -25°C. This ensures sufficient heat pump operation for even the coldest climates.



  • provides heating, domestic hot water and cooling with optional solar support
  • available in capacities from 4 to 16 kW depending on requirements
  • available as split floor standing, split wall mounted, or monobloc
  • ideal for new builds and low energy houses
  • optimal comfort plus domestic hot water
  • low operating costs thanks to high efficiencies


Daikin Altherma high temperature split (11.0 - 16.0 kW):


Daikin Altherma high temperature system offers heating and domestic hot water for your home. This system can perfectly replace a tradional boiler and connect to the existing piping. Daikin Altherma high temperature is therefore the ideal solution for renovations. The split system consists of an outdoor unit and an indoor unit
and can be completed with solar connection.

The indoor unit receives the heat from the outdoor unit and further increases the temperature, allowing water temperatures up to 80°C for heating through radiators and for domestic hot water use. Daikin’s
unique cascade compressor approach to the heat pumps (one in the outdoor unit/one in the indoor unit) means optimum comfort at even the coldest outdoor temperatures, without the need for an electric back-up heater. Available capacities are 11, 14 and 16 kW. If a greater heating capacity than 16 kW is required, you can now combine several indoor units with one single outdoor unit to give up
to 40 kW of heating.



  • provides heating and domestic hot water with optional solar support
  • available in capacities from 11 to 16 kW depending on requirements
  • works with existing high temperature radiators up to 80°C without additional back-up heater
  • optimal comfort plus domestic hot water
  • low operating costs due to high efficiencies


Daikin Altherma Flex Type (22.4 - 44.8 kW):


Daikin Altherma Flex Type is designed with the particular challenge of apartment building and collective housing in mind. High efficiency is ensured by the combination of technologies with low operating costs as a result.
Next to central control, the latest integrated control technologies also allow the temperature of each
residential space to be individually regulated and maintained.


The Daikin Altherma Flex type makes use of Daikin’s renowned VRV technology. Multiple indoor units can
be connected to a single outdoor unit. A combination of Proportional Integral Derivative controlled compressors and electronic expansion valves in the outdoor unit continuously adjust the circulating refrigerant volume in response to load variations in the indoor units connected to it. This allows the indoor units to operate independently of each other, assuring total flexibility.


The Daikin Cascade technology uses an outdoor unit that extracts heat from the surrounding air and transfers this to the indoor unit via a R-410A refrigerant circuit. The indoor unit then increases this heat via the R-134a refrigerant circuit and it is then used to heat the water circuit. Using the unique cascade compressor approach,
water temperatures of 80º C can be achieved without additional back-up heaters.


Daikin Altherma Flex Type owes its remarkable low energy consumption to a unique combination of highly efficient inverter-controlled Daikin compressors with a variable operating point. This allows capacity to be exactly matched to the actual heating demand of the building. The ability to optimally control the heat
capacity of the outdoor unit also means maximum comfort and minimum energy consumption.


Daikin Altherma hybrid heat pump (4.4 - 7.4 kW):


Daikin Altherma hybrid heat pump is a combination of gas condensing technologie and air-to-water heat pump, which delivers up to 35% more heating efficiency and optimises the operation of the most efficient gas condensing boiler. Depending on the outdoor temperature, energy prices and the internal heat load, the Daikin Altherma hybrid heat pump smartly chooses between the heat pump and/or the gas boiler, possibly in simultaneous operation, always selecting the most economical mode to operate.


There is no need to replace the existing radiators (up to 80°C) and pipe work as our Daikin Altherma hybrid heat pump connects directly to the existing heating system, thus reducing the cost and disruption of installation. Thanks to the compact dimensions, the space needed for the new system is very similar to that of an existing system, so there is no loss of space and no need for structural modifications.






Heat pumps - heat from nature


Heat pumps are the first choice for those who want to lower their heating bills and generate heat in a more environmentally responsible way. After all, the environment provides the heat pump with an unlimited and free supply of the energy it needs. This fully-fledged heating system needs very little power for its drives and pumps in order to make this energy available. A heat pump makes you independent of fossil fuels, and in addition, actively contributes towards reducing CO2 emissions and protecting the climate.


Simple principle, great result


A heat pump works in a similar way to a fridge – simply the other way round.

In a fridge, heat is transferred from the inside to the outside. With a heat pump, this happens exactly the other way round. Heat from the air or the ground is transferred into the living space via the heating system. Vapour from a refrigerant is compressed to increase the temperature, to make it high enough for central heating and DHW heating.


Renewable energy from ambient heat


Heat pumps use ambient heat from the water, ground or air. This ambient heat is stored solar energy or geothermal heat from below ground. Ambient heat is therefore a renewable energy, of which we have an inexhaustible supply.
Unlike fossil fuels, renewable energies have the big advantage of being able to be regenerated. In addition, ambient heat is a decentralised energy supply, which is available at all times and which can be used without the need for complex supply systems or energy monostructures.


Use with various energy sources


The best heat source for each individual case depends on local conditions and the actual heat demand. Heat pumps can use various energy sources:

  • Air – practically unlimited availability; lowest investment costs
  • Ground – via geothermal collector, geothermal probe or ice store; very efficient
  • Water – extremely efficient; observe water quality and quantity
  • Waste heat – subject to availability, volume and temperature level of the waste heat


Advantages of heat pumps


60 to 75% lower heating costs

Heat pumps obtain 3/4 of required energy free of any charge, from the environment in which you live. Soil, groundwater, and outside air store huge amounts of thermal energy which can be transformed into heating energy using heat pumps. The savings are considerable compared to other conventional heating systems. The amount of power consumed by heat pumps is notably lower than the amount of heat they generate.


Smart future investment

If you decide to install a heat pump today, you should be aware you are making an investment for the future. Its true value lies in many measurable and nonmeasurable aspects. In addition to the safety of investment, flexibility, low heating costs, comfort, and many economic and ecological benefits, a heat pump is actually an investment in your future and the future of your children.


New building, refurbishment, or heating system replacement

A heat pump is an ideal solution for heating and cooling of newly constructed or refurbished buildings, or when replacing an existing heating system. Since it operates on the principles of low-temperature heating, it is suitable for both underfloor heating and heating with wall-mounted radiators, as well as a combination of both. Heat pumps are also appropriate for rebuilt or refurbished buildings with radiator heating since new high temperature heat pumps can reach water temperatures of 80°C.


Warm in the winter, cool in the summer

Unique heat pump technology allows your heating system to heat your home during the winter and cool it during the summer without additional work or investment. The heat pump system can be used for cooling regardless of whether you use fan coils or underfloor heating.

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