ComfortSmart Double Hung
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1. Complementary Style
ComfortSmart windows offer a multitude of styles, interior and exterior color options and hardware finishes to choose from – so you can have the freedom and flexibility to create the look you want.
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2. Efficient Insulation
Optional high-density SmartCore foam insulation can be added to the frame cavities to help deliver impressive thermal efficiency.
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3. Easy to Clean
The top and bottom sash tilt in and lift out, allowing you to easily clean both sides of the window from inside your home.
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4. Superior Safety & Security
Color-matched, flush mount sash locks tightly secure the window. For a streamlined appearance, upgrade to the EZLok, which uniquely integrates the lock/tilt feature.
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5. Durable Construction
Fusion-welded vinyl frame and sash provide lasting durability and weathertight performance year after year.
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6. Secure Ventilation
Vent latches can be engaged to provide safer ventilation and limit the sash from fully opening. An optional child safety vent latch is also available.

ENERGY STAR Windows
imonton offers optional region-specific ENERGY STAR® glass packages designed to deliver optimal energy performance and comfort in any climate.
Spacer Systems
Glass panes are separated by a spacer system, which helps seal in functional gas and create an airtight seal.

Standard
Intercept® spacer system helps keep glass warm and expands and contracts for reduced seal failure.

Optional
The Supercept™ spacer system utilizes a stainless-steel alloy that offers increased durability and thermal efficiency.

Optional
The non-metallic foam Super Spacer® is non-conductive and virtually eliminates temperature transfer.