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LWZ 8 CS Premium

  • 360°
    • Compact appliance with ventilation, heating, hot water and cooling functions
    • Advanced inverter technology for improved efficiency and quieter operation
    • Can be combined with a solar system
    • Also available in balance sets that use sensors for increased ventilation comfort
    • Especially high air quality thanks to the Premium balance set, which precisely regulates the air change rate and requires no manual intervention
    • Recovery of up to 90 % of the thermal energy in the extract air
    • High hot water convenience through well insulated 235-l cylinder
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    Product details

    Combine convenience and efficiency

    All in one: this integral appliance combines ventilation, heating, hot water and cooling functions to achieve the maximum effect for your home. Yet the appliance only needs a minimum of space: covering a floor area of just over one square metre, it gives you warm days in winter, coolness in summer and both fresh air and hot water all year round.

    Use impressive technology

    The inverter technology in the integrated heat pump is a key factor in the appliance's success. This enables it to match its output to your heat demand. This is truly efficient and saves a lot of energy. Together with the sophisticated sound insulation, it also ensures especially quiet operation.

    The programming unit is integrated directly in the appliance, with the option of adding a remote control with humidity sensor. Extensions in the form of the STIEBEL ELTRON Internet Service Gateway with optional KNX and photovoltaic optimisation are available as add-ons.

    Become more self-sufficient

    Further boost the efficiency of your building services solution by combining it with a solar thermal or photovoltaic system. Operate your appliance with self-generated power and become even more self-sufficient in your home.


    ERP product datasheet
    Technical datasheet

    Product Number: 201290

    Heat recovery level up to: 90 %

    Filter class: ePM10 ≥ 50 % (M5) | ISO Coarse > 60 % (G4)

    Heating output at A-7/W35 (EN 14511): 8.34 kW

    Heating output at A2/W35 (EN 14511): 5.16 kW

    Power consumption at A-7/W35 (EN 14511): 3.19 kW

    Power consumption at A2/W35 (EN 14511): 1.38 kW

    Weight: 442 kg

    Height: 1885 mm

    Width: 1430 mm

    Depth: 812 mm

    Load profile: XL

    Energy efficiency class, room heating in moderate climates, average temperature applications (A+++ → D): A++

    Energy efficiency class, DHW heating in moderate climates (A+++ → D): A

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    Download as PDF

    Equipment datasheet

Installation Information:

Please ask your local power supply utility or a registered electrician to install appliances that are not fully wired, i.e. ready to plug in. The electrician should also be able to assist you with obtaining the agreement of the respective power supply utility required for the appliance installation.