Pella® 250 Series Single-Hung Window
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2D Cross Section (Vinyl) |
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2D Elevation (Vinyl) |
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3D & BIM (Vinyl) |
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3D & BIM (Vinyl) |
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Specifications (Vinyl) |
- Operable sizes up to 4' 6" x 6' 6".
- Three sash splits available – Traditional, Contemporary or Cottage.
- TrueGlide Balance System – An inverted constant force balance, for quiet opening and closing.
- Performance Grade up to PG50, up to DP50 PSF.
A local Pella team member is ready to help you with your project.
- Sizes and Shapes
- Performance Values
- Materials
- Interior Finishes
- Exterior Finishes
- Glazing
- Grilles
- Hardware
- Screens
Sizes and Shapes – Pella 250 Series Single-Hung Windows
Pella 250 Series windows are available in standard and special sizes.
Built-to-order in 1/8" increments.
View sizes of Pella 250 Series single-hung windowsAdd transoms or adjacent windows for flexible combinations.
Design data available for egress, vent opening, clear opening, visible glass and frame area.
View design dataShapes

Sash Splits
Pella offers three styles of operable single-hung windows:
- Traditional – equal vent unit.
- Contemporary – provides the appearance of a fixed window over an awning window, but at a lower cost.
- Cottage – provides the appearance of an awning window over a fixed window more cost-effectively.
Traditional
Contemporary
Cottage
Performance Values – Pella 250 Series Single-Hung Windows
Pella 250 Series windows provide outstanding resistance to air and water infiltration, wind and outside noise – while increasing energy efficiency, security and ease of operation.
- Proven in testing to withstand wind-driven rain falling at 8" per hour, winds up to 55 mph and wind gusts up to 141 mph.
- Triple weatherstripping provides an advanced barrier of protection from the elements – Pella 250 Series windows outperform the industry standard for air infiltration by 37%.*
- Standard and high-performance upgrade options.
View performance values
View thermal performance
View sound transmission performance
Optional Insulating Foam
Insulating foam inside the sash further improves energy efficiency.
* Based on WDMA Hallmark requirements using NFRC model size windows.
Material – Pella 250 Series Single-Hung Windows
Pella 250 Series offers Pella craftsmanship in a great-looking vinyl window that's stronger and more energy-efficient than ordinary vinyl – with more features and options to fit your design needs.

- Windows with triple-pane glass are 54% – 77% more energy-efficient than single-pane windows.1
- 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.2
- Multichambered, fully welded sash and frame improve strength and thermal performance and reduce sound transmission.
- Products are tested in state-of-the-art facilities.
Learn about all Pella Materials
1 Improved window energy efficiency calculated in a computer simulation using RESFEN 5.0 default parameters for a 2,000-square-foot existing single-story home when comparing a Pella 250 Series vinyl window with InsulShield® Advanced Low-E triple-pane glass with argon to a single-pane wood or vinyl window. For more details, see pella.com/methodology.
2 Based on the force required to bend a window frame profile.
Interior Finishes – Pella 250 Series Single-Hung Windows
Pella 250 Series single-hung windows are made of high-grade vinyl – no more painting.
Fossil
- White, Almond or Fossil interiors.
- Solid color throughout the vinyl keeps minor dings and scratches virtually invisible.
- Pella's fade-resistant vinyl formula is performance-tested for excellent weathering, durability and color retention. Some competitive formulas use low-cost alternative ingredients.
Exterior Finishes – Pella 250 Series Single-Hung Windows
Fossil
- Pella 250 Series products are made of high-grade vinyl.
- A choice of 11 exterior colors.
- Solid color throughout White, Almond and Fossil keeps minor dings and scratches virtually invisible.
- Pella's dual-color option provides more style and design flexibility – products have a White interior with a choice of nine exterior colors.
- Pella's DuraColor™ exterior finishes are designed and tested to withstand high exposure to sunlight, humidity and extreme temperatures.
Solid-Color Frames
White
Almond
Fossil
Dual-Color Frames
Poplar White
Tan
Fossil
Portobello
Brown
Morning Sky Gray
Hartford Green
Brick Red
Black
Glazing – Pella 250 Series Single-Hung Windows
Pella 250 Series single-hung windows are available with a variety of glass options for optimal design, performance and budget flexibility.
Insulating glass options include:
- Advanced Low-E with argon*
- SunDefense™ Low-E with argon*
- NaturalSun Low-E with argon*
- Bronze-tinted Advanced Low-E with argon*
- Obscure
- Tempered
Triple-pane options include:
- Advanced Low-E with argon*
- NaturalSun Low-E with argon*
- Obscure
- Tempered
Pella's Low-E glass options reduce the transmission of solar heat gain and ultraviolet light while allowing the transmission of visible light.
View thermal performance for this unit.
*Optional high-altitude Low-E insulating glass is available with or without argon on most products.
Learn about all Pella Glass Options
Grilles – Pella 250 Series Single-Hung Windows
Two grille types are available on Pella 250 Series single-hung windows.
- Simulated-Divided-Light grilles adhere to the interior and exterior face for the authentic look of divided lights.
- Grilles-between-the-glass are permanent aluminum grilles that are factory-installed between the panes of glass to provide easy cleaning.
Simulated-Divided-Light Grilles
Adhere to the interior and exterior face for the authentic look of divided lights.

- Grilles are 7/8" wide.
- Color matches frame.
- Multiple grille patterns are available.
Grilles-Between-the-Glass
Permanent aluminum grilles factory-installed between the panes of glass.
3/4"
1"
5/8" Flat
- Color matches frame.
- Multiple grille patterns available.
- Available in 3/4" and 1" contour grilles and 5/8" flat grilles.
Grille Patterns
Traditional
Top Row
Prairie
6-Lite Prairie
Custom
No Grille
Hardware – Pella 250 Series Single-Hung Windows
A range of hardware options and finishes to meet most design objectives and budgetary requirements.
- Optional AutoLock.
- Standard cam-action lock.
- Two sash locks are standard on larger single-hung windows.
- Tilt latches release top and bottom sashes for interior washing.
- Optional limited-opening hardware.
- White, Fossil or Almond finishes.
Essential Collection
Cam-Action Lock
White
Almond
Fossil
AutoLock
White
Almond
Fossil
Sash Locks and Lifts
Optional AutoLock automatically locks window when it is shut.
- Sleek, low-profile design.
- White, Fossil or Almond finishes.
Standard 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.
- Limited-opening hardware.
- White, Fossil or Almond finishes.
Easy Wash
Sash tilts inward allowing exterior glass to be cleaned from inside, making cleaning easier.
Screens1— Pella 250 Series Single-Hung Windows
- Full screen is standard.
- Half screen is optional.
Conventional Screens
- Conventional fiberglass screens are durable and functional.
- They allow in the light and breeze and provide a standard level of clarity.
- Durable aluminum screen frame matches exterior color of window frame.
1 Warning: Use caution when children or pets are around open windows and doors. Screens are not designed to retain children or pets.
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