The new Alezio M R290 series of heat pumps from De Dietrich is the answer to the real needs of today's investors and installers - not only those designing heating systems in new buildings, but also upgrading existing installations. With its high flow temperature, environmentally friendly R290 refrigerant and modern design, Alezio M R290 sets a new standard among air-to-water solutions.
Ideal for retrofitting - where temperature matters
Heat pumps today are not just a fad, but a necessity - for both environmental and economic reasons. Unfortunately, many units on the market do not cope with the challenges of retrofitting older buildings that still have traditional radiators requiring high flow temperatures. The Alezio M R290 solves this problem: it provides supply temperatures of up to 75°C at -10°C outside, allowing the existing installation to be retained without costly reconstruction.
This makes Alezio M R290 a natural choice for thermal retrofits, especially when you want convenience, energy savings and quick implementation.
Monoblock with class - no F-gas certification required
Alezio M R290 is a monobloc unit, which means that the entire thermodynamic system is in the outdoor unit - the installer does not need F-gas certification, which greatly simplifies installation. Combined with the intuitive Diematic Evolution console and the compact indoor unit, installation is smooth and uncomplicated.
Two indoor unit variants are available:
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MIV-M/E - with built-in 3 or 6 kW electric heater,
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MIV-M/H - with the possibility of hydraulic connection of an additional source (such as a gas boiler).
New generation ecology - why R290 refrigerant?
Refrigerant R290 (propane) is currently the best choice for the environment. Its GWP coefficient is only 3, which means it has a negligible impact on the greenhouse effect compared to previously popular factors like R32 or R410A.
Importantly, as of 2027, the European Union restricts the use of refrigerants with a GWP higher than 150 - meanwhile, R290 already meets these requirements. This is a guarantee that your investment in Alezio M R290 will be long-term and compliant with future regulations. In addition, R290 is more thermodynamically efficient, resulting in better efficiency and lower energy consumption.
User comfort in all seasons
The new Alezio M R290 heat pump combines thermal comfort, quiet operation and aesthetic design. Thanks to the function of cooling by reversing the circulation, the unit takes care of a pleasant climate even in summer - without the need to install an additional air conditioning system. The operating range of outdoor temperatures is:
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heating: from -25°C to +35°C,
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cooling: from -5°C to +46°C.
The sound power level of the outdoor unit does not exceed 52 dB(A), making it one of the quietest units in its class. The external housing was designed with elegance in mind - the unit will blend in with the surroundings of the house without disturbing its aesthetics.
For the installer - simple, fast, safe
Alezio M R290 can be combined with an existing boiler (OT/0-10V communication), creating an intelligent hybrid that optimizes energy consumption according to conditions and tariffs.
What's more, with the use of optional expansion boards, it is possible to manage up to three heating circuits with a mixer - making this device also an attractive choice for more complex systems.
Investment-ready models and packages
The new Alezio M R290 series includes a wide range of outputs - from 4 to 13 kW - in variants with an integrated electrical or hydraulic module. There is also a choice of turnkey packages:
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with Assure stainless steel heater (210-300 l),
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with BTW buffer tank (80-150 l),
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with Smart TC smart thermostat,
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with Smart TC heater and control.
The whole is supported by De Dietrich factory service, present in Poland for more than 25 years.
Alezio M R290 monoblock heat pump ready for the challenges of modern times
Alezio M R290 is more than just a new heat pump. It is a combination of superior efficiency, regulatory compliance, ease of installation and user comfort. Thanks to the use of R290 refrigerant and the ability to reach high flow temperatures, the unit will be suitable for both new construction and modernized buildings.
For individual customers, it is an opportunity for a reliable and environmentally friendly source of heat covered by funding from the "Clean Air" program. For installers - an intuitive, aesthetic and ready-to-operate system that provides a new standard in the field of heat pumps.
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