The United Series 8000 double hung window has the most feature and the best performance in cold regions like New England. It’s uniquely designed to be the best performer in replacement and new construction window category.
- Smarter LowE + Argon meets Energy Star Rating for All Climate Zones
- Energy saving performance certified by NFRC
- Highest quality and durability window in the United Series
- High Performance Roller Tilt® Elite Balance System for years of easy operation
- Tilt-in sashes for easy cleaning and maintenance
- Reinforced and heavy duty extruded aluminum frame to guarantee a reliable and durable window that last for a long time
- Patented sash-to-sill interlock for top quality thermal efficiency