At Pella, we pride ourselves on providing exceptional quality, exceeding expectations and going beyond industry requirements. You can be proud of your windows and doors – backed by a brand that’s been trusted for nearly 100 years. Pella 250 Series products offer innovative and enhanced security and privacy features for more peace of mind.
- Pella® 250 Series vinyl double-hung windows are a secure double-hung window and feature a unique tamper prevention system and multichambered frames for more peace of mind 
- Dual-pane SunDefenseTM Low-E insulating glass with Argon allows in light while helping to block the heat of the sun, keeping homes cooler in the summer and warmer in the winter 
- Top and bottom sash open for ventilation and tilt in for easy cleaning 
- Pella’s vinyl uses a fade-resistant formula that is performance-tested for excellent weathering, durability and color retention 
- A cam-action lock is made of metal and provides long-lasting performance 
- Pella's exclusive weather-repel system provides three points of protection — including a sloped sill and sill interlock, a design that channels water away from the window and triple weatherstripping 
- A unique tamper prevention system with interlocking checkrail, steel hardware reinforcement and a unique anti-jar sill helps protect from intruders 
- Block Frame installation for easy installation in old aluminum or steel frames or pocket replacement in wood frames 
- Backed by Pella’s limited lifetime warranty, one of the strongest warranties in the industry