Unlock a New Market with IndowPRO™

How Many Jobs Do You Almost Win?

Ever bid on a commercial window replacement job—only to hear: "Too expensive & disruptive." Or "We'll just live with it." Now imagine calling that building manager back and saying: "We've got a smarter solution."

Meet IndowPRO™
The Smart, Profitable Retrofit Window System Designed for Glazing Contractors

IndowPRO is a high-performance secondary glazing system designed for glazing contractors. It installs inside the existing window, delivering major energy savings, noise reduction, and tenant comfort improvements, all without the need for a full tear-out or demolition.

  • Installs in 15-20 minutes per opening

  • Ships disassembled for easier logistics

  • Frames snap together and mount with screws or VHB tape

  • Works with multiple glazing types including Acoustic Lami, VIG, Low-E, or lightweight acrylic

  • Reliably delivers an airtight seal—even in out-of-square openings

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Proven in the Field, Trusted Nationwide

Indow systems have been installed in thousands of commercial and institutional buildings across North America: from hotels and schools to city halls and office towers.

  • Hotels
    Quiet rooms, higher RevPAR, faster PIP compliance

  • Offices
    Comfort-driven retrofits that deliver energy savings & boost productivity

  • Historic Buildings
    Preserve original windows while meeting energy and comfort goals

  • Healthcare
    Reduce HVAC strain and patient disturbances

  • Schools & Universities
    Energy savings, acoustic control, easy install during breaks

  • Multifamily
    Comfort, quiet, and energy efficiency. Tenants remain in place.

Why Glazing Contractors Choose IndowPRO

  • New Business

    40% of commercial windows are still single-pane, and only 0.3% get replaced each year. IndowPRO opens a new market

  • Fast Training

    Live video installation and measurement training is free

  • Ongoing Support

    Technical + sales support throughout the process

  • Maximize Revenue Streams

    Service and product revenue from measure & installation, framing, and glazing

Join the IndowPRO Dealer Network

If you are a glazing, curtain wall, or building envelope contractor who wants to grow a retrofit business for commercial properties - you may be a great fit for IndowPRO's dealer program.

We're currently accepting a limited number of applications. Review our insurance requirements, fill out the form below and we'll be in touch with more information. If approved, we'll partner with you to bring premium window performance to your commercial clients.