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Pella® 250 Series Vinyl Sliding Window


Sliding windows glide open and closed. Strong and durable Pella 250 Series sliding window frames are coupled with beautiful color options that look great in any home. With enhanced and innovative security and privacy features, Pella 250 Series sliding windows are a great complement to your home.

Pella 250 Series Sliding Window Features

Why Vinyl?

  • Beautiful color choices
  • Dual- or triple-pane glass options
  • 52% stronger frames than ordinary vinyl13

Performance Enhancements

  • 52% stronger frame13
  • Multiple insulating frame chambers for improved comfort
  • Energy-efficient glass options

Pella 250 Series

Pella 250 Series products offer innovative and enhanced security and privacy features for more peace of mind. Our exclusive vinyl formula is performance tested for excellent weathering, durability and color retention.
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Inside Pella 250 Series

Upgraded triple-pane glass windows are on average 66% more efficient than single-pane windows.12 Pella 250 Series sliding windows have been awarded the ENERGY STAR® Most Efficient Mark in 2020.1

Learn About Performance

The Pella Difference

We do more than just create windows and doors. We test beyond industry requirements and innovate continuously to make beautifully designed products that you can be proud to own.

For the Pros

Pella 250 Series Sliding Window Specs & Install Details

  • Auto-locking hardware available for added convenience and peace of mind
  • Large and unique factory-mulled window combinations arrive ready for installation
  • Performance class and grade R25-R50 and STC of 25 for dual-pane windows and 28 for triple-pane windows
  • Available in sizes from 21-1/2" x 11-1/2” to 120” x 72” in the West region and 21-1/2" x 11-1/2” to 108” x 62” in the East region
  • Installation options include Block Frame, Integral Fin, Fin with J-Channel20, Flush Flange19, 5/8” Flange Frame20

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Options for Pella 250 Series Sliding Windows

Choosing Your Window


Join a window together with other windows to add character to your home’s design. Additional combinations are available. See your Pella sales representative for the complete offering.

Frame Color

Pella 250 Series windows have easy-care vinyl frames in your choice of three solid-color frame options or dual-color frames featuring White interiors and three exterior colors.


For Pros

Glass and Frame
  • Windows with triple-pane glass are 54% – 77% more energy-efficient than single-pane windows.12
  • Less visible sash corner seams – typical vinyl has build up.
  • Full frame profile with edge detailing.
  • Our precision welding process helps prevent warping and twisting over time like ordinary vinyl can – helping eliminate "vinyl smile".
  • Reinforced window frames are 52% stronger than ordinary vinyl.13
  • Multichambered, fully welded sash and frame improve strength and thermal performance and reduce sound transmission.
  • Products are tested in state-of-the-art facilities.

Styling Your Window


Pella's Cam-Action Lock and AutoLock hardware styles are available in your matched color finishes.


For Pros

Hardware Features

Sash Locks and Lifts - Pella cam-action locks are designed to increase leverage as the window is closed to assure a superior weathertight seal. Two sash locks are standard on larger single-hung windows. Optional keyed locks and limited-opening hardware are available.

Easy-Wash Feature - Sash tilts inward, allowing exterior glass to be easily cleaned from inside.

integrated sash lift for 350 double-hung windows

Sash Lift

Easy Wash feature on 350 double-hung

Easy Wash

Grille Patterns

Grilles give the appearance of individual window panes. Pella offers many grille patterns to help enhance your home's architectural style.


3/4" Grilles-Between-the-Glass

For Pros

Grille Styles


  • Permanent aluminum grilles are factory-installed between the panes of glass.
  • Color matches frame.
  • Multiple grille patterns available.
  • Available in 3/4" and 5/8" flat grilles.

Window Enhancements

Universal Security Sensors

Stay connected to your windows.

Preserve beauty, add comfort and enhance home security with optional Pella Insynctive® technology.

Protect what matters most. Monitor windows with time-tested wireless technology while at home or away with the Pella Insynctive App.40 Learn more about Insynctive.

insynctive app in hand with status


Window and door screens play an important role in your home's light, ventilation and view. Our conventional fiberglass screens allow in light and the breeze and are durable to stay looking great for years. Learn more about screens.


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Pella products are backed by some of the strongest warranties in the business.

Learn more about Pella warranties