Energy Efficiency

What makes a window or door energy-efficient? Choosing the right glass for your products is an important decision.

Glass Options
No matter where you live, Pella offers you the right options.

Pella's InsulShield glass collection offers our most innovative energy-saving choices, designed for specific climate types.

Advanced Low-E Insulating Glass with Argon2


A popular choice because it insulates well from the cold and the heat.

  1. Two panes of glass with Advanced Low-E protection and insulating argon between the panes. Blocks 84% of the sun's ultraviolet rays.
  2. Three panes of glass also available on select product lines for increased energy efficiency. Blocks 86% of the sun's ultraviolet rays.

Advanced Low-E double-pane glass available on all Pella windows and patio doors. Advanced Low-E triple-pane glass available on Designer SeriesArchitect Series, Pella 350 Series windows and patio doors, and Pella 250 Series windows.

AdvancedComfort Low-E Insulating Glass with Argon2



Unique Low-E technology delivers balanced insulation from colder winters and moderate summers.

  1. Two panes of glass with Advanced Low-E protection and insulating argon 7 between the panes. Blocks 85% of the sun’s ultraviolet rays.
  2. Three panes of glass also available on select product lines for increased energy efficiency. Blocks 87% of the sun’s ultraviolet rays.

AdvancedComfort Low-E double-pane glass available on Architect Series, Pella 450 Series and Pella Impervia windows and patio doors. AdvancedComfort Low-E triple-pane glass available on Designer Series, Architect Series windows and patio doors.

SunDefense™ Low-E Insulating Glass with Argon2

Allows in visible light and provides a clear view, while helping to block the heat of the sun.

  1. Two panes of glass with SunDefense Low-E protection and insulating argon 7 between the panes. Blocks 94% of the sun’s ultraviolet rays.
  2. Three panes of glass also available on select product lines for increased energy efficiency. Blocks 95% of the sun’s ultraviolet rays.

SunDefense Low-E double-pane glass available on Architect SeriesPella 450 SeriesPella Impervia, Pella 350 Series, Encompass by Pella (ThermaStar by Pella)  windows and patio doors, and Pella 250 Series windows. SunDefense Low-E triple-pane glass available on Designer Series and Architect Series windows and patio doors.

NaturalSun Low-E Insulating Glass with Argon7



Provides excellent insulation from the cold, while allowing the sun's heat to flow in and warm your home.

  1. Two panes of glass with NaturalSun Low-E protection and insulating argon 7 between the panes. Blocks 69% of the sun’s ultraviolet rays.
  2. Three panes of glass also available on select product lines for increased energy efficiency. Blocks 73% of the sun’s ultraviolet rays.

NaturalSun Low-E double-pane glass available on Architect SeriesPella 450 SeriesPella Impervia, Pella 350 Series, Encompass by Pella (ThermaStar by Pella)  windows and patio doors, and Pella 250 Series windows. NaturalSun Low-E triple-pane glass available on Designer Series, Architect Series  and Pella 350 Series windows and patio doors and Pella 250 Series  windows.

Additional Insulating Glass Options

 

HurricaneShield® Products with Impact-Resistant Glass



Best Use:
Areas that experience
hurricane-force winds.

  1. Exceptionally strong structural polymer interlayer that holds glass together if shattered.
  2. Strong protection from flying debris.
  3. Ultraviolet protection.
  4. Noise control.
  5. Increased safety and security.

HurricaneShield double-pane glass available on Architect Series  and Pella 350 Series  windows and patio doors.

Obscure Insulating Glass



Best Use:
Intimate spaces
that require privacy.

Features:

  1. Low-E insulating glass with a textured surface.
  2. Lets the sun shine in while obscuring the view.
  3. Ideal for bathrooms or bedrooms.

Obscure double-pane glass available on Architect SeriesPella 450 SeriesPella Impervia, Pella 350 Series, Pella 250 Series, Encompass by Pella (ThermaStar by Pella)  windows and patio doors, and Pella 250 Series windows and patio doors. Obscure triple-pane glass available on Designer Series and Pella 350 Series windows and patio doors and Pella 250 Series  windows.

Tinted Insulating Glass



Best Use:
To help control
the glare of the sun.

Features:

  1.  Helps block the sun’s rays.
  2.  Keeps rooms that get direct sun cooler. 14

Tinted double-pane glass available on all Pella windows and patio doors. Tinted Low-E triple-pane glass available on Designer Series and Pella 350 Series windows and patio doors, and Pella 250 Series  windows.

Laminated Insulating Glass



Best Use:
To increase safety
and noise control.

Features:

  1. Polymer interlayer that holds the glass together if it’s shattered.
  2. Provides added protection from intruders.
  3. Reduces outside noise.

Laminated double-pane glass available on Architect Series, Designer Series  and Pella 350 Series windows and patio doors.

Tempered Insulating Glass



Best Use:
Strength and safety.

Features:

  1. Toughened or strong glass similar to that used in automobile windshields.
  2. Used where injuries from broken glass are a concern.
  3. Usually shatters into small, square fragments instead of sharp shards when broken.
  4. Has no polymer interlayer to hold it together like laminated glass, so glass does fall apart.

Available on all Pella windows and patio doors.

   

Pella's recommended glass for your region.

The U.S. Environmental Protection Agency has divided the country into regions based on their energy-efficiency needs.

Look for your region on this ENERGY STAR® performance map.15

Pella and ENERGY STAR®
What is ENERGY STAR?

ENERGY STAR is the simple choice for energy efficiency achievements. People across America have looked to the EPA's ENERGY STAR program for guidance on how to save energy, save money, and protect the environment. Behind each blue label is a product, building, or home that is independently certified to use less energy and cause fewer of the emissions that contribute to climate change. Today, ENERGY STAR, is the most widely recognized symbol for energy efficiency in the world, helping families and businesses save $24 billion in 2012 alone. For more information go to energystar.gov.

window-energy-efficient-award

Why does ENERGY STAR matter?

  1. Save money – and more. Installing ENERGY STAR certified windows and doors lowers energy costs. With more efficient windows, you also use less energy, which reduces greenhouse gas emissions from power plants. For typical homes, choose ENERGY STAR and save on average $101 – $538 and 1,006 to 6,205 pounds of CO2 which is an equivalent to 51 to 317 gallons of gasoline a year when replacing single-pane windows. 35   For more information go to energystar.gov/products.
  2. Get comfortable. Say goodbye to cold drafts and overheated spaces. ENERGY STAR certified windows and doors help keep your home’s temperature consistently comfortable. Even relaxing on your loveseat right by the window can be cozy with ENERGY STAR.
  3. Protect your valuables. Many ENERGY STAR certified windows and doors have a special coating on the glass that is like sunscreen for your house.

Determining Energy Efficiency

Multiple Panes of Glass

Two or three panes of glass means more layers of protection between the weather and your home.

  1. Colorless nontoxic gas that’s denser than air.
  2. Inserted between the panes of glass to provide extra insulation from the heat and cold.

Low-Emissivity (LOW-E) Glass Coatings

  1. In the winter, low-emissivity (Low-E) glass reflects heat back into the room, keeping it warmer.
  2. In the summer, it reflects heat away from your home, keeping it cooler.
  3. Block most of the sun’s harmful UV rays, helping to prevent fade damage to your carpet, furniture and window treatments.

Pella Innovation

Many ingenious features and options help our products improve your home’s energy efficiency, such as:

  1. Different combinations of glass.
  2. Thermal breaks to further separate the inside from the outside.
  3. Our exclusive snap-in between-the-glass blinds and shades.
  4. Low-E coating removed around glass edge to greatly reduce the possibility of seal failure.

Understanding the NFRC Label

What to Look For on the NFRC Label.

The National Fenestration Rating Council® (NFRC) is a nonprofit organization that developed an energy rating program based on “whole product” performance – not just the performance of the glass itself.

  1. The NFRC label is found on every window. It’s the most reliable way to determine a window’s “whole unit” energy performance.
  2. All reputable window manufacturers rate and certify their products according to National Fenestration Rating Council requirements.
  3. This letter A tells you how well the window insulates.
  4. The lower the U-Factor, the more energy-efficient the product is.
  5. Pella® products offer some of the lowest U-Factors in the industry.

Solar Heat Gain Coefficient (SHGC)

  1. This letter B tells how effective the window is at blocking the sun's radiant heat.
  2. The lower the SHGC, the less solar heat the window allows into your home.


The ENERGY STAR Logo

  1. When you see this logo on the NFRC label C, you can be assured your windows or door meets ENERGY STAR guidelines in your region of the country.

 

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Materials

 

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