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Here is why you should choose Crescent Windows to replace your windows and doors.

Crescent Windows is dedicated to sustainability, using eco-friendly materials and processes that minimize environmental impact. We offer industry-leading products directly from the manufacturer. By choosing Crescent Windows, you’re investing in superior products, expert installation, and outstanding service, making us the responsible choice for environmentally conscious consumers and ensuring lasting satisfaction with your home’s windows and doors.

Built to Perform. Designed to Last.

More than just windows, the Potomac-hp Series represents the pinnacle of innovation and design flexibility. With superior ratings for structural integrity, energy efficiency, and air infiltration, and a wide array of customization options, these windows offer an unparalleled way to enhance your home’s character and performance.

.01 Air Infiltration Rating
R65 Rating | 198 mph Wind Resistance
.21 U-Factor (with our most energy-efficient glass option)
.20 Solar Heat Gain Coefficient (varies by glass package)

Engineered for Strength. Designed for Comfort.

The Fortis series combines advanced engineering with refined design to deliver exceptional performance and lasting beauty. With reinforced frames, energy-efficient glass options, and sleek profiles, Fortis windows enhance your home’s comfort, security, and curb appeal—making them a smart investment for discerning homeowners.

.02 Air Infiltration Rating
R50 Rating | 171 mph Wind Resistance
.23 U-Factor (with our most energy-efficient glass option)
.20 Solar Heat Gain Coefficient (varies by glass package)

Recent Projects

A Glimpse Into Our Current Projects

Elevate Your Home with Elegance

Transform your home with our top-of-the-line windows and doors—where stunning design meets unbeatable durability. Elevate your curb appeal and enjoy unparalleled energy efficiency with products that redefine excellence. Discover the difference today!
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Potomac CC Feature LG

Fortis sloped sill5 Degree Slope sill

Our carefully designed slope sill is the optimal angle for water runoff and to prevent air infiltration.

Fortis Gasket Close upQ-Lon Compression Gasket

Our Q-Lon, memory foam, compression bulb-seal gasket is the most energy-efficient weatherstripping currently used in the industry today. It adds barriers and diversions to help prevent water infiltration and drafts.

Bottom sash interlock

Our innovative bottom sash interlock ensures a tighter seal helping to reduce drafts and decrease your energy bills. Provides structural strength during heavy wind loads by locking the sash in place.

Fortis Double Walled Sill DamDouble-walled sill dam

Tight-mortised cut, double-walled, sill-dam extends inside the jamb, eliminating the need to caulk an open seam.

 

VyFoam Close upR5 VyFoam™ in Frame & Sash

Our R5 foam-filled frame and sash insulation increase thermal efficiency, increases structural integrity, dampens sound, and reduces air infiltration.

Magnetic Seal

Our freezer-magnetic insert compresses the sash to the frame creating a tighter seal, reducing the possibility of leaking and drafts.

Fortis Interlocking Sill Sash provides added structural strength against heavy wind loads

Fortis sloped sill5 Degree Slope sill

Our carefully designed slope sill is the optimal angle for water runoff and to prevent air infiltration.

Fortis Gasket Close upQ-Lon Compression Gasket

Our Q-Lon, memory foam, compression bulb-seal gasket is the most energy-efficient weatherstripping currently used in the industry today. It adds barriers and diversions to help prevent water infiltration and drafts.

Fortis Sash interlockBottom sash interlock

Our innovative bottom sash interlock ensures a tighter seal helping to reduce drafts and decrease your energy bills. Provides structural strength during heavy wind loads by locking the sash in place.

Fortis Double Walled Sill DamDouble-walled sill dam

Tight-mortised cut, double-walled, sill-dam extends inside the jamb, eliminating the need to caulk an open seam.

 

VyFoam Close upR5 VyFoam™ in Frame & Sash

Our R5 foam-filled frame and sash insulation increase thermal efficiency, increases structural integrity, dampens sound, and reduces air infiltration.