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Customer Comments

Neil K. Johnson, Architect - For noise reduction and insulation in historic buildings

NK Johnson, Architect

As an architect working with historic buildings, I have been searching for over 20 years for a product such as your insulating window, that can be installed without removing the existing window. There has been a strong need for an interior, insulating window that is aesthetically acceptable and functions well. Your product exceeds those expectations in the following ways:

  • Aesthetically pleasing as it blends in so well it almost disappears
  • Easily openable for ventilation and cleaning
  • Far exceeds R value of insulated glass
In addition, your window offers the following benefits:
  • Superb noise reduction ability - you will hear the wood creak inside but not the traffic outside
  • Excellent UV protection - an important feature to save valuable furnishings from sun damage

Overall, your interior insulating window is a superior product and I am happy to recommend it highly.

Very Truly Yours,

Customer signature
Neil K. Johnson, AIA


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