Energy-Efficient Glass Options

The weather in the Washington DC area doesn’t bother Pella® windows. Pella of Washington DC offers energy-efficient selections for your area. Our InsulShield® glass brings some of our most technologically advanced options for energy efficiency—and they’re all crafted for specific regions.

Advanced Low-E Insulating Glass with Argon

  • Insulates well from the cold and the heat
  • Insulating argon between the windowpanes
  • Two panes of glass with Advanced Low-E protection shield against 84 percent of the sun’s ultraviolet rays
  • Three-pane options increase energy efficiency and block 86 percent of the sun’s ultraviolet rays
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Designer Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® 450 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Architect Series®
  • Designer Series®
  • Pella® 250 Series
  • Pella® 350 Series
Advanced Insulating Glass with Argon

AdvancedComfort Low-E Insulating Glass with Argon

  • Balanced insulation from colder winters and moderate summers
  • Insulating argon between the pieces of glass
  • Two panes of glass with Advanced Low-E protection shield against 85 percent of the sun’s ultraviolet rays1
  • Three-pane options improve energy efficiency and block 87 percent of the sun’s ultraviolet rays1
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Pella® 450 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Designer Series®
AdvancedComfort Insulating Glass with Argon

SunDefense Low-E Insulating Glass with Argon

  • Shields against the heat of the sun while providing 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 boost energy efficiency and shield against 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® 450 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Architect Series®
  • Designer Series®
SunDefense Glass

HurricaneShield® Impact-Resistant Glass

  • A strong choice for areas of the country 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

  • Great for private spaces like bathrooms or bedrooms
  • Low-E insulating glass including a textured surface
  • Allows natural light in but blocks view
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® 450 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Designer Series®
  • Pella® 250 Series
  • Pella® 350 Series
Obscure Insulating Glass

Tinted Insulating Glass

  • Helps block the sun’s rays and minimizes glare
  • Helps keep rooms with direct sunlight temperate3
Double-Pane Glass Available Product Lines
  • Architect Series®
  • Designer Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® 450 Series
  • Pella® Impervia® Series
Triple-Pane Glass Available Product Lines
  • Designer Series®
  • Pella® 250 Series
  • Pella® 350 Series
Tinted glass

Laminated Insulating Glass

  • Good for improving safety and noise control
  • Polymer interlayer keeps the glass intact if shattered
  • Cuts back on outside noise and offers protection from intrusion
Double-Pane Glass Available Product Lines
  • Designer Series®
  • Pella® 350 Series
Laminated Glass

Tempered Insulating Glass

  • Much like strong safety glass used in the automotive industry
  • Great in areas where injuries from shattered glass are an issue
  • If broken, it shatters into small fragments instead of sharp shards
Available Product Lines
  • Architect Series®
  • Designer Series®
  • Encompass by Pella®
  • Pella® 250 Series
  • Pella® 350 Series
  • Pella® 450 Series
  • Pella® Impervia® Series
Tempered glass

Click below to book a no-cost, in-home consultation or visit your local showroom to find out more about which energy-efficient glass could meet your needs.





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.