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The logo of Whisperwool Akustik


Tante Lotte Design GmbH produces products that make people's lives more beautiful and healthier and at the same time strengthen the cycle of nature.


Whisperwool stands for an innovative and sustainable acoustic solution made primarily from Tyrolean sheep's wool that meets the highest design standards. Our acoustic solutions harmonize with the materials of contemporary architecture such as stone, glass, concrete or wood.


Whisperwool has a positive effect on the ergonomics of rooms by absorbing sound and toxins. The wishes of our customers are important to us. We would be happy to develop individual solutions for you and advise you!

Do you want to improve room acoustics and value high-quality design and sustainability? Then you've come to the right place!

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We can advise, calculate, plan and fulfil your individual ideas and requirements.

  • We advise you on all questions relating to your room acoustics.

  • We design for you and plan your projects.

  • We customize our products for you and fulfill your wishes.

  • We calculate your acoustic solutions.

  • We support you in installing our products.

  • We are pleased about your inquiry!