Window Lines Overview

Pella's windows in wood, aluminum-clad wood, fiberglass and vinyl have been designed for one purpose: to offer your customers more beauty, performance and value than any other window.
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Wood

Aluminum-Clad Wood

Architect Series

Architect Series®

  • Wood windows offer virtually unlimited shapes, sizes, grille patterns, exterior colors and more
  • Available in four wood types: Pine, Mahogany, Alder and Douglas Fir
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Architect Series

Architect Series®

  • Aluminum-clad wood windows offer virtually unlimited shapes, sizes, grille patterns, exterior colors and more
  • Available in four wood types: Pine, Mahogany, Alder and Douglas Fir
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Designer Series

Designer Series®

  • Aluminum-clad wood windows with snap-in between-the-glass options
  • Designer Series windows with triple-pane glass are 53% 74% more energy-efficient than single-pane windows1
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Pella ProLine 450 Series

Pella® ProLine 450 Series

  • Aluminum-clad wood windows with low-maintenance exteriors
  • Our most popular sizes, shapes, styles and features, at a competitive price
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Fiberglass

Vinyl

Pella Impervia

Pella® Impervia®

  • Fiberglass windows are made from our patented Duracast ® fiberglass composite material
  • Low-maintenance fiberglass offers superior durability in extreme weather conditions
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Pella 350 Series

Pella® 350 Series

  • Pella ® 350 Series windows with triple-pane glass are 54% 83% more energy-efficient than single-pane windows2
  • Stronger and more durable than typical vinyl with premium features
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Encompass by Pella

Pella® 250 Series

  • Exceptional vinyl performance and style
  • Frames are 52% stronger than ordinary vinyl products3
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Encompass by Pella

Encompass by Pella®

  • Competitively priced, easy-care vinyl windows
  • Energy-efficient styles and options to fit most any budget
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EFCO - a Pella Company

Looking for Aluminum Entrances?
Learn about EFCO products.

Matching a specific style? Your Pella Rep can help

1Improved 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 Designer Series wood window with InsulShield® Advanced Low-E triple-pane glass with argon to a single-pane wood or vinyl window. For details see pella.com/methodology.

2Improved 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 350 Series vinyl window with InsulShield® Advanced Low-E triple-pane glass with argon to a single-pane wood or vinyl window. For details see pella.com/methodology.

Product series comparison chart

Aluminum-Clad Wood

Fiberglass

Vinyl

Architect Series Designer Series Pella ProLine 450 Series Pella Impervia Pella 350 Series Pella 250 Series Encompass by Pella

Sizes1 (Frame sizes shown)

Double-Hung window

Width Minimum 1' 9" 1' 9" 1' 9" 1' 5-1/2" 1' 2-1/2" 1' 2-1/2" 1' 2-1/2"2
Width Maximum 4' 0" 4' 0" 4' 11" 3' 11-1/2" 4' 6" 4' 5-1/2" 4' 0"
Height Minimum 2' 11" 2' 11" 1' 2" 2' 5-1/2" 1' 11-1/2" 1' 11-1/2" 1' 11-1/2"
Height Maximum 10' 0" 7' 0" 6' 5" 6' 5-1/2" 6' 6" 6' 6" 6' 0"

Single-Hung window

Width Minimum 1' 9" n/a n/a 1' 5-1/2" 1' 2-1/2" 1' 2-1/2" 1' 2-1/2"
Width Maximum 4' 0" n/a n/a 3' 11-1/2" 4' 6" 4' 5-1/2" 4' 0"
Height Minimum 2' 11" n/a n/a 1' 11-1/2" 1' 11-1/2" 1' 11-1/2" 1' 11-1/2"
Height Maximum 7' 0" n/a n/a 6' 11-1/2" 8' 0" 6' 11-1/2" 7' 0"

Casement window

Width Minimum 1' 5" 1' 5" 1' 5" 1' 1-1/2" 1' 1-1/2" n/a 1' 2-1/2"
Width Maximum 2' 11" 2' 11" 4' 11" 5' 11-1/2" 2' 11-1/2" n/a 2' 11-1/2"
Height Minimum 1' 5" 1' 5" 1' 5" 1' 1-1/2" 1' 5-1/2"4 n/a 1' 5-1/2"5
Height Maximum 6' 1" 6' 1" 6' 1" 6' 7-1/2" 5' 11-1/2"4 n/a 5' 11-1/2"5

Awning window

Width Minimum 1' 5" 1' 5" 2' 11" 1' 1-1/2" 1' 5-1/2" n/a 1' 7-1/2"
Width Maximum 4' 11" 4' 11" 4' 11" 5' 11-1/2" 4' 11-1/2" n/a 4' 11-1/2"
Height Minimum 1' 5" 1' 5" 1' 5" 1' 1-1/2" 1' 2-1/2" n/a 1' 2-1/2"
Height Maximum 4' 11" 4' 11" 5' 11" 6' 7-1/2" 2' 11-1/2" n/a 2' 11-1/2"

Sliding window 2-panel

Width Minimum n/a n/a n/a 1' 11-1/2" 1' 9-1/2" 1' 9-1/2" 1' 9-1/2"
Width Maximum n/a n/a n/a 5' 11-1/2" 6' 4" 6' 5-1/2" 6' 1"
Height Minimum n/a n/a n/a 11-1/2" 11-1/2" 11-1/2" 1' 2-1/2"
Height Maximum n/a n/a n/a 5' 11-1/2" 6' 0" 5' 2" 5' 0"

Sliding window 3-panel

Width Minimum n/a n/a n/a 3' 11-1/2" 3' 11-1/2" 3' 11-1/2" 3' 11-1/2"
Width Maximum n/a n/a n/a 8' 11-1/2" 9' 6" 9' 0" 9' 0"
Height Minimum n/a n/a n/a 1' 5-1/2" 11-1/2" 11-1/2" 11-1/2"
Height Maximum n/a n/a n/a 5' 11-1/2" 6' 0" 5' 2" 5' 0"

Fixed Frame

Width Minimum 8" 8" 8" 1' 0" 11-1/2" 11-1/2" 11-1/2"
Width Maximum7 10' 0" 10' 0" 10' 0" 9' 4" 9' 4" 9' 0" 9' 0"
Height Minimum 8" 8" 8" 1' 0" 11-1/2" 11-1/2" 11-1/2"
Height Maximum 10' 0" 10' 0" 10' 0" 9' 4" 8' 0" 9' 0" 9' 0"

Fixed Sash and Frame Curve-top8

Width Minimum 1' 6" 1' 6" 1' 6" n/a n/a n/a n/a
Width Maximum 9' 8" 9' 8" 9' 8" n/a n/a n/a n/a
Height Minimum 9" 9" 9" n/a n/a n/a n/a
Height Maximum 4' 10" 4' 10" 4' 10" n/a n/a n/a n/a

Fixed Frame Curve-top9

Width Minimum n/a n/a n/a n/a n/a 1' 5-1/2" 1' 5-1/2"
Width Maximum n/a n/a n/a n/a n/a 7' 11-1/2" 7' 11-1/2"
Height Minimum n/a n/a n/a n/a n/a 1' 2-1/2" 1' 2-1/2"
Height Maximum n/a n/a n/a n/a n/a 9' 0" 9' 0"

Fixed Sash and Frame

Width Minimum 1' 5" 1' 5" 1' 5" 1' 2" n/a n/a n/a
Width Maximum 4' 11" 4' 11" 4' 11" 6' 0" n/a n/a n/a
Height Minimum 1' 2" 1' 5" 1' 2" 1' 2" n/a n/a n/a
Height Maximum 6' 1" 6' 1" 5' 11" 6' 0" n/a n/a n/a

Pella fiberglass-resin (non-Duracast® material) Special Shape fixed frame12

Width Minimum n/a n/a n/a 1' 1-1/2" n/a n/a n/a
Width Maximum n/a n/a n/a 8' 11-1/2" n/a n/a n/a
Height Minimum n/a n/a n/a 11-1/2" n/a n/a n/a
Height Maximum n/a n/a n/a 7' 11-1/2" n/a n/a n/a
1 Pella wood-clad window frame dimensions shown. Opening = Frame + 3/4". NOTE: Larger sizes may be available on a custom basis.
1 Pella Impervia window opening dimensions shown. Opening = Frame + 1/2". Special sizes available in 1/4" increments.
1 Pella 350 Series frame dimensions shown. Opening = Frame + 1/2".
1 Encompass by Pella window opening dimensions shown. Opening = Frame + 1/2".
2 Pella 350 Series Double-Hung and Single-Hung window height limitations may vary based on Equal, Cottage or Contemporary vent.
3 See your Pella representative for Encompass by Pella double-hung window availability.
4 Pella 350 Series Casement window unit height must be greater than or equal to unit width.
5 For Encompass by Pella casement windows, if opening width is greater than 2' 6", opening height must be less than 5' 0".
6 Maximum of 38 sq. ft. for fixed frames with removable exterior glass stops.
7 Maximum of 8' 0" for fixed frames with removable exterior glass stops.
8 Maximum area of 38 sq. ft. for all curve-top units except for half circle and full arch head units, where the maximum area is 50 sq. ft. (when measured as a rectangle). NOTE: Larger sizes may be available on custom basis.
9 Size range varies by shape.
10 Pella Impervia fixed frame window maximum frame area of 50 sq. ft.
11 Pella 350 Series and Encompass by Pella Fixed Frame window maximum frame area of 40 sq. ft.
12 Size range varies by shape. Maximum frame area of 36 sq. ft.


Product series comparison chart (continued)

Aluminum-Clad Wood

Fiberglass

Vinyl

Architect Series Designer Series Pella ProLine 450 Series Pella Impervia Pella 350 Series Pella 250 Series Encompass by Pella

Performance

Window Performance1,2

NFRC U-Factor total unit 0.25 0.57 0.23 0.51 0.26 0.52 0.26 0.36 0.15 0.303 0.26 0.314
Design pressure (psf) 30 75 30 70 30 50 30 50 25 60 20 55
Structural test pressure (psf) 30 135 30 135 30 135 30 157.5 30 157.5 30 157.5
Water penetration NONE @
6 15 psf
NONE @
7.5 15 psf
NONE @
4.5 15 psf
NONE @
4.5 7.5 psf
3.76 9.0 psf 3.0 7.5 psf
Air infiltration (@ 1.57 psf) 0.05 0.30 cfm 0.05 0.30 cfm 0.05 0.30 cfm 0.05 0.30 cfm 0.05 0.30 cfm 0.06 0.30 cfm
1 Enhanced performance is available with Pella's line of Advanced Performance products. Ask your local Pella representative for more information.
2 Performance values apply to single units only with appropriate glass options and not the combined or composite units.
3 Based on a range between 3mm, standard performance dual-pane and triple-pane Advanced Low-E insulating glass with argon. Range includes with and without grilles and with and without foam insulation.
4 Encompass by Pella Winter U-Factor based on Advanced Low-E insulating glass with argon.
5 Based on a range between standard performance and the performance upgrade option or range of standard and impact as it relates to patio doors. Size limitations, frame types and configurations do apply for some performance levels.

Center Glass Performance1

Winter NFRC U-Factor 0.20 0.51 0.15 0.50 0.20 0.51 0.24 0.49 0.13 0.25 0.24 0.48
Solar heat gain coefficient 0.26 0.79 0.24 0.78 0.26 0.79 0.27 0.78 0.25 0.37 0.27 0.78
Shading coefficient 0.30 0.91 0.28 0.91 0.30 0.91 0.30 0.91 0.28 0.78 0.31 0.88
% UV transmission 4 62 4 61 4 62 5 58 <1 16 5 58
LBL fading damage2 0.18 0.64 0.14 0.65 0.18 0.64 0.18 0.64 0.18 0.41 0.21 0.59
% visible light transmission 40 83 32 82 60 83 65 82 40 70 52 82
1 Performance numbers based on standard glass options.
2 Developed by Lawrence Berkeley Laboratories, the LBL damage function is a better predictor of fading damage than UV transmission. Lower values indicate less fading potential. (NOTE: This value does not consider visible light.)

Sound Transmission Performance*

STC rating 26 36 30 33 25 24 28 27 33 25 27
OITC rating 22 32 23 27 22 21 24 22 28 20 23
* Performance numbers based on standard glass options.


Product series comparison chart (continued)

Aluminum-Clad Wood

Fiberglass

Vinyl

Architect Series Designer Series Pella ProLine 450 Series Pella Impervia Pella 350 Series Pella 250 Series Encompass by Pella

Exterior Finish Options

Aluminum-Clad x x x
Primed (Pine or Mahogany) x1
Unfinished (Mahogany) x1
Fiberglass Composite x
Vinyl x x x

Exterior Aluminum-Cladding Colors

White, Tan, Brown and Putty x x x
Feature colors x x x2
Custom colors (virtually unlimited) x x
70% fluoropolymer (broad range of colors available) x x

Fiberglass Composite Colors

White, Tan, Morning Sky Gray, Brown, Black and dual-color
(White interior with a Tan, Morning Sky Gray, Brown or Black exterior)
x

Vinyl Colors

White, Almond x x x
Brown (exterior only with a White interior) x
1 Available on select products.
2 Available in Poplar White, Putty, Hartford Green, Black and Brick Red, Portobello, and Morning Sky Gray only.
Because we're always working to further refine our products and develop new ones, specifications may change without notice.


Product series comparison chart (continued)

Aluminum-Clad Wood

Fiberglass

Vinyl

Architect Series Designer Series Pella ProLine 450 Series Pella Impervia Pella 350 Series Pella 250 Series Encompass by Pella

Interior Finish Options

Unfinished Wood

(Ready for site finishing)
Pine x x x
Douglas Fir x
Alder x
Mahogany x

Primed

Pine x x x

Prefinished Paint

Pine x x x

Prefinished Stain

Pine x x x

Fiberglass Composite Colors

White, Tan, Morning Sky Gray, Brown, Black and dual-color
(White interior with a Tan, Morning Sky Gray, Brown or Black exterior)
x

Vinyl Colors

White, Almond x x x
Brown x
* To match trim, ask your Sherwin-Williams representative for interior pain to match Pella White.


Product series comparison chart (continued)

Aluminum-Clad Wood

Fiberglass

Vinyl

Architect Series Designer Series Pella ProLine 450 Series Pella Impervia Pella 350 Series Pella 250 Series Encompass by Pella

Grille Options

Integral Light Technology® Grilles x
Simulated-Divided-Light Grilles x x x
Removable Between-The-Glass Grilles* x
Removable Interior Grilles x x
Grilles-Between-The-Glass* x x x x x x
* Appearance of exterior grille color may vary depending on the Low-E insulating glass selection.

Between-the-Glass Options

Blinds x
Fabric Shades x
Grilles and Blinds x
Grilles and Fabric Shades x
Grilles-Between-The-Glass1 x x x x x x
1 Appearance of exterior grille color may vary depending on the Low-E insulating glass selection.

Screens1

Flat Screen x x x x x x x
Conventional fiberglass screen x x x x
InView® flat screen x x x x x
Vivid View® high-transparency screen x x x
Rolscreen® retractable screen (fiberglass) x2 x2
1 Warning: Use caution when children or pets are around open windows and doors. Screens are not designed to retain children or pets.
2 Available on casement windows only.

Hardware Finishes

Bright Brass, Satin Nickel or Oil-Rubbed Bronze1 x x x x x2
Champagne x x x
White x x x x x x x
Almond x x x
Tan x
Morning Sky Gray x
Brown x x x x
Black x
Rocky Mountain® Hardware x x3
1 Oil-Rubbed Bronze window hardware is a living finish that will develop its own unique patina with use.
2 Optional on Pella 350 Series products.
3 Rocky Mountain® Hardware not available on all double-hung windows. See your local Pella representative for availability.


Product series comparison chart (continued)

Aluminum-Clad Wood

Fiberglass

Vinyl

Architect Series Designer Series Pella ProLine 450 Series Pella Impervia Pella 350 Series Pella 250 Series Encompass by Pella

Shapes

Operating Window Shapes

Rectangle x x x x x x x
Springline x
Partial Springline x
Arch Head x
Partial Arch x

Fixed Window Shapes

Rectangle x x x x x x x
Half Circle x x x x x x x
Elliptical x x x x x
Quarter Circle x x x x x x x
Springline x x x x x x x
Partial Springline x x x x x
Arch Head x x x x x x x
Partial Arch x x x x x x x
Chord x x x
Full Circle x x x
Pentagon x x
Hexagon x
Octagon x x x
Triangle x

Combinations

Commercial Combinations

Punched Openings x x x x x x x
Entrances and Storefronts x x x x
Horizontal Ribbons x x x x x
Vertical Stacks x x x x x
Window Walls x x x

Residential Combinations

Horizontal x x x x x x x
Vertical x x x x x x x
Window Walls x x x x
 

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