Kolbe Replacement Windows

Kolbe Replacement Windows include the Forgent® Series.

Forgent windows and doors are made of the proprietary Glastra® material.

The Forgent series gives you beautiful style and energy-saving performance.

Learn more with a free, friendly Renaissance replacement window consultation.

Get a Free Kolbe Estimate

Why Should You Choose Kolbe Forgent Windows ? 

  • Kolbe’s Forgent Windows Stand Up to Our Erratic Houston Weather.
  • What are Kolbe Forgent Windows Made Of? 
  • Kolbe’s Forgent® Series is made of Glastra®, a proprietary hybrid of fiberglass and UV stable polymer. It’s formulated for strength + resilience.
  • Faster Order-to-Installation Timeframe

Get Your Free Kolbe Window Replacement Estimate & Window Brand Comparison

If you are an existing customer and you need service please call 713-863-9988 to schedule a service request or visit our About page.
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Kolbe Windows & Doors: 75 Years For The Visionaries.

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Renaissance Windows & Doors

Showroom in The Houston Design Center

Open Mon – Fri 8:30 – 5:30

Saturdays By Appt. Only

7026 Old Katy Rd Ste 158 (Bldg E)
Houston, TX 77024 Inside The Loop

Kolbe Forgent Windows & Doors Boost Curb Appeal Outside and Comfort Inside

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picture Kolbe Forgent replacement windows from Renaissance
Kolbe FOrgent Black Exterior Color Windows
Kolbe Forgent Replacement Windows in White