Specialist in acoustic materials

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    Extensive product range, customisation possible

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    Specialist in acoustic materials

    Fibers & Foams

    Whisper Box Mono

    Sound-insulating enclosure for outdoor units of heat pumps and air conditioners

    New product

    At the moment, you cannot order this product through our webshop. Please contact us by requesting a quote or asking a question using the buttons below.

    • Effective noise reduction
    • Ready to use, easy to install
    • Sustainably produced with recycled materials

    The Whisper Box Mono is a ready-made soundproof enclosure that significantly reduces the noise emission from outdoor units of heat pumps and air conditioners. Thanks to its thoughtful design, the sound is effectively dampened, while the performance of the unit is maintained. The Whisperbox Mono halves the audible noise level and is suitable for both freestanding placement and wall mounting. Moreover, the product is manufactured in the Netherlands from 95% recycled materials, contributing to a quieter and more sustainable living environment.

    • Effective noise reduction 
    • Ready to use, easy to install 
    • Sustainably produced with recycled materials 
    Downloads
    Product sheet
    Assembly

    The Whisper Box Mono is delivered as a complete DIY kit, including clear assembly instructions, and is easy to install on any flat, stable surface.

    Dimensions and weight

    Whisper Box Mono - Standard

    Internal dimensions 

    • Width: 106 cm
    • Height: 96 cm 
    • Depth: 66 cm 

    External dimensions 

    • Width: 136 cm 
    • Height: 100 cm 
    • Depth: 96 cm 

    Weight 

    • Approximately 100 kg 

    Whisper Box Mono - XL

    Internal dimensions 

    • Width: 140 cm
    • Height: 80 cm 
    • Depth: 80 cm 

    External dimensions 

    • Width: 180 cm 
    • Height: 120 cm 
    • Depth: 120 cm 

    Weight 

    • Approximately 180 kg 
    Applications

    The Whisper Box Mono is specially designed as a housing for outdoor units of heat pumps and air conditioning systems. The construction reduces noise emission and increases comfort for both residents and neighbours. Please check in advance whether your outdoor unit, including any support structure, fits within the available internal dimensions of the Whisper Box.

    Sound insulation value

    Average sound reduction: > 10dB

    Whisper Box Mono

    Sound-insulating enclosure for outdoor units of heat pumps and air conditioners

    New product

    At the moment, you cannot order this product through our webshop. Please contact us by requesting a quote or asking a question using the buttons below.

    • Effective noise reduction
    • Ready to use, easy to install
    • Sustainably produced with recycled materials