Home / ComfortWorld 4000
ComfortWorld 4000 Series
by AMI
ComfortWorld 4000 Series
by XACT

Benefit from Our Quality Construction
ComfortWorld Windows have been designed, engineered and refined to offer you the best value for your dollar. Our team of experts has incorporated major technological advances to create a window that is durable, energy-efficient, functional and beautiful. They have included more features to make our window the right windows for your home.
ComfortWorld 4000 Series
by AMI
ComfortWorld 4000 Series
by XACT
- Stylish welded mainframe design with a full 3-1/4" frame depth that assures structural integrity and durable construction.
- Full 7/8" insulated glass reduces heating and cooling costs, deadens sound and provides increased comfort. Optional low emission glass and argon gas enhancement for maximum energy efficiency.
- Foam insulation wrap on the frame provides weather tightness.
- Balance Channel covers provide a stylish aesthetic.
- Spring-loaded Night Latches allow both window and sashes to remain partially open for ventilation.
- Patented Detent Clip prevents the top sash from drifting, making for greater ease in closing and locking of the window. (XACT model)
- Recessed Double Locks close in opposite directions to create a tighter seal.
- Heavy-Duty, White Weather Stripping creates a barrier to air and water infiltration, prevents drafts and assures a tight fit.
- Steel-Reinforced Meeting Rails for increased strength and weather tightness.
- Both Sashes are Exterior Glazed and aesthetically beveled to the glass for an elegant design and appearance.
- Extruded Latching Half Screen for maximum ventilation and insect control; easily removed from inside your home. (XACT Model)
- Integrated Full-Length Lift Rail is extruded into the frame of the sash for added strength; ergonomically designed, it allows you to raise and lower the sash with ease.
- True sloping Sill design allows water run-off to the outside of your home.
Low-Emissivity Glass

Light passes through while harmful UV rays are reflected back outside.

Lower winter sunlight passes through allowing radiant heat to stay in the home.

Higher summer sunlight is reflected and blocked from entering the home.
![]() Spring-loaded night latches add security. |
![]() The "easy-grip" tilt latch and sash vent locks add versatility to double hung windows. |
![]() Tilt latches are recessed for better appearance and operation. |
![]() Exclusive cam action lock and keeper help add to your security. |
| Color Choices Include: | |||
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Cherry | ![]() |
White |
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Dark Oak | ![]() |
Beige |
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Light Oak | ![]() |
American Brown |



















