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Energy-Efficient Glass Options

The weather in the Denver area doesn’t bother Pella® windows. Pella of Denver offers energy-efficient products for your region. Our InsulShield® glass brings some of our most technologically advanced options for conserving energy—and they’re all created for specific climates.

Advanced Low-E Insulating Glass with Argon

  • Insulates well from the cold and the heat
  • Insulating argon between the panes of glass
  • Two panes of glass with Advanced Low-E protection block 84 percent of the sun’s ultraviolet rays
  • Three-pane options boost energy efficiency and shield against 86 percent of the sun’s ultraviolet rays
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Architect Series®
  • Pella® 250 Series
  • Pella® 350 Series
Advanced Insulating Glass with Argon

AdvancedComfort Low-E Insulating Glass with Argon

  • Balanced insulation summer and winter weather
  • Insulating argon between the panes of glass
  • Two panes of glass with Advanced Low-E protection resist 85 percent of the sun’s ultraviolet rays1
  • Three-pane options increase energy efficiency and block 87 percent of the sun’s ultraviolet rays1
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Pella® Impervia® Series
AdvancedComfort Insulating Glass with Argon

SunDefense Low-E Insulating Glass with Argon

  • Resists the heat of the sun while allowing visible light and a clear view
  • Two panes of glass with SunDefenseTM Low-E protection resist 94 percent of the sun’s ultraviolet rays1
  • Three-pane options increase energy efficiency and block 95 percent of the sun’s ultraviolet rays1
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Architect Series®
SunDefense Glass

HurricaneShield® Impact-Resistant Glass

  • Top option for regions with hurricane-force winds
  • Exceptionally strong structural polymer interlayer grips glass together if shattered
  • Strong resistance against flying debris and ultraviolet protection2
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Pella® 350 Series
HurricaneShield Glass

Obscure Insulating Glass

  • Preferred for private spaces like bathrooms or bedrooms
  • Low-E insulating glass including a textured surface
  • Allows natural light in but reduces view
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Pella® 250 Series
  • Pella® 350 Series
Obscure Insulating Glass

Tinted Insulating Glass

  • Helps reduce the sun’s rays and decreases glare
  • Helps keep areas with direct sunlight temperate3
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Pella® 250 Series
  • Pella® 350 Series
Tinted glass

Laminated Insulating Glass

  • Good for improving safety and noise control
  • Polymer interlayer holds glass together if shattered
  • Reduces outside noise and adds protection from trespassers
Double-Pane Glass Available Product Lines
  • Pella® 350 Series
Laminated Glass

Tempered Insulating Glass

  • Similar to strong safety glass used in the automotive industry
  • A good choice in areas where injuries from shattered glass are a problem
  • If broken, it shatters into small fragments and not sharp shards
Available Product Lines
  • Architect Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® Impervia® Series
Tempered glass

Click below to plan a no-cost, in-home consultation or stop by your local showroom to find out more about which energy-efficient glass could suit your home project.





1Optional high-altitude Low-E insulating glass does not contain argon in most products. Please see your local Pella® sales representative for more information.
2Available in pine products only.
3Provides less fade and temperature protection than our InsulShield® glass types.