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Indow logo


Indow window inserts press inside window frames without a mounting bracket to deliver double-pane window performance and better noise reduction at a lower cost.

  • Stage $5M in TTM Revenue
  • Industry Clean Technology
  • Location Portland, OR, USA
  • Currency USD
  • Founded March 2009
  • Employees 45
  • Incorporation Type C-corp
  • Website indowwindows.com

Company Summary

Indow Windows manufactures and sells an attractive, patented, interior thermal window insert, utilizing no screws, nails or adhesives, to deliver double pane window performance at a fraction of the cost of window replacement. We sell to homeowners thru dealers who use our internet-based “measure order data interface” (MODI) to accurately and efficiently manage the customer fulfillment process from estimate thru installation.


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    Stuart Rosenfeld
    VP of Finance

    20+ Years Finance and Operations
    Zig Zag Wireless, Daverci, Sequent (IBM), Chevron
    BA Finance, University of Washington

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    Russell Eisenberg
    VP of Sales

    Sustainable Flooring Solutions, Sales Mgr, GM; K-Designers Home Remodeling, Marketing Director.

  • Lensbaby, Co-Founder & CEO
    Intel, Marketing Manager
    MBA, Carnegie Mellon

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    Ben Ferriter
    Director of Operations

    20+ years manufacturing and operations management. Formerly with Schmidt’s naturals where he scaled the company from $4M to $90M in revenue, and a successful exit.

  • 59ab77e8 4f77 4947 9a5c ff2f9abdf78c
    VP of Marketing

    Formerly with XZERES Corp, BA, Elon University

  • F5c2be2c b830 475f 8625 058375e9a26d
    Director of R&D, Quality

    Formerly with Plastimayd, where he invented a photo based dimensional measuring system.


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    Doug Morris, Partner, Ater Wynne; Kevin Ross, Partner, Marger Johnson & McCollom, P.C.
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    David Uslan
    Perkins & Co.

Previous Investors

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    Vision Ridge Partners
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    NW Energy Angels
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    Portland Seed Fund
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