We are proud to offer Berkshire new and replacement windows. In the vinyl window replacement industry, Berkshire is an established name with excellent products. Remember, when you buy a new replacement window from TriState, you get a double warranty. Not only is the warranty good for the lifetime of your home, it's also good for the next owner. We stand behind our quality new construction and replacement windows.

Available Window Styles:
![]() Double Hung |
![]() Single Hung |
![]() Casement |
![]() Sliding Patio Door |
![]() Slider |
![]() Swing & Clean Slider |
![]() Bay | ![]() Bow |
![]() Awning |
![]() Garden |
Window Features:
Quality-crafted with an elegant finish, Berkshire windows masterfully combine energy savings and thermal efficiency with timeless style and easy upkeep.
- Built for lasting performance using virgin vinyl (PVC) resin; solid vinyl color won't chip, peel, crack or warp.
- Multi-chambered sash and main frame provide insulating air spaces for increased thermal efficiency.
- Insulated glass unit with sealed air space between the panes of glass helps reduce transfer of heat and cold.
- PPG Intercept Warm Edge Spacer System saves energy by reducing the conduction of heat at the edge of glass for superior thermal performance and longevity.
- Interlock at steel-reinforced sash meeting rails offers increased insulation, comfort and security.
- Bulb seal at meeting rail enhances energy efficiency.
- Drop-in glazing provides added protection from outside elements.
- Easy-to-operate fully extruded lift rails.
- Sloped sill prevents accumulation of water and debris.
- Hidden screen track creates a clean-line appearance..
- Protective bulb seal at sill helps block out dust, dirt and air infiltration.
Additional Features:
- Fusion-welded sash and main frame for strength and rigidity.
- Dual ventilator locks for limited and secure opening of the window for ventilation.
- Full balance covers for reduced air infiltration while adding a finished look to the window frame.
- DuraLift block and tackle balance system for smooth operation of sashes.
- Tilt-in top and bottom sashes for safe and easy cleaning from inside the home.
- Double-barrier fin seal weatherstripping at the sash sides helps block air,waterand dirt infiltration.
- Beveled exterior profile creates a handsome appearance.
- Half screens are standard; optional full screens available.










