Double Hung Window Features
- Each Pure Energy double hung window has a fully fusion-welded Next Generation PureCore™ mainframe and sash and for extra strength and enduring beauty.
- The sill of a Pure Energy double hung is created with the patented SilLock design – featuring a sloped sill to keep windows dry while ensuring a weather-tight seal.
- Every meeting rails contains an integral interlock for a weather-tight seal and extra security.
- Fin and pile weatherstripping on both sash and mainframe for protection against air, dust and moisture. Tough Q-lon weather striping can be found where the bottom sash meets the sill upon full window closure.
- Each double hung window comes with a 7/8″ High Efficiency glass system including 2 or 3 panes of double strength glass for excellent insulation properties.
- Triple weather stripped check rail and sash ensures long-term performance and durability.
- Ventilation limit latches for added security when windows are partially open with an optional child safety vent latch available.
- Two flush-mounted cam-action locks on windows over 25″ wide blend nicely into the window profile.
- Top and bottom lift rail for ease of operation and both sash tilt-in for easy and safe cleaning of the exterior of window glass.
- Equal sight lines for traditional wood window aesthetics.
- All Pure Energy double hung window comes standard with PureCore™ mainframes filled with patented R-Core insulation, pre-expanded high-density solid polyurethane foam, the same insulation medium used in many refrigerator and freezer doors.
- Platinum Series Energy Package options feature mainframe and sashes filled with patented R-Core insulation.
- Superior designed balance system for years easy opening.
- Every double hung window comes standard with aluminum extruded half screen with fiberglass mesh and color matched frame.
- All double hung windows are available in hundreds of interior and exterior color options including 6 beautiful wood grain variations.
- Every Pure Energy double hung window meets or exceeds all Energy Star guidelines for installation in the State of Michigan.
