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Home | Our Product Lines | ComfortSmart


Key Features and Benefits

Awarded the ENERGY STAR Most Efficient Recognition in 2023

The ENERGY STAR Most Efficient 2023 designation recognizes the most efficient products among those that qualify for the ENERGY STAR program. The Great Lakes Window ComfortSmart windows represent the leading edge in energy efficient products this year.


Insulated Interior Glazing Tower

Creates an insulating pocket for enhanced thermal performance.






Personalization Options

Allow you to customize your windows to create the look you want.






Optional SmartCore Insulation

Provides almost two times the insulating properties of typical fiberglass insulation.






Optional RigidCore Insulation

Delivers unsurpassed strength and durability at the meeting rail of double hung and sliding windows.



Design and Performance Options
Personalize your windows so they fit the needs of your home and look beautiful inside and out.


Find the window style that best matches your design and functionality needs.

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Select from a variety of colors for your vinyl replacement windows to match the interior and exterior of your home.

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Choose from a variety of grille styles to add detail to your windows.

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Complete your windows with matching hardware that looks sleek and elegant while keeping your home safe.

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Consult your local dealer to select the glass option that best suits the climate in your region of the country.

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