Energy Efficient Glazing

Virtually every window that Harvey manufactures either meets or exceeds the most recent ENERGY STAR® requirements. By incorporating an additional surface of Roomside Low-E (or 4th surface Low-E), Harvey ENERGY STAR glazing provides a distinct U-Factor advantage over the competition, making our windows highly attractive to those who demand ultimate comfort and energy savings.

Harvey offers many different glazing options to help meet every customer's requirements and budget. The following glazing options are some of the most popular and can help you determine which type of glazing is needed for your project.

High Performance

thermal performance for Harvey vinyl double hung windows with popular glazing options

High Performance glazing is available on our premium Tribute windows as well as select accessory windows. It incorporates triple glazing and Krypton gas for maximum energy efficiency when your project demands an R-5 window. High Performance glazing exceeds ENERGY STAR requirements.


True to its name, our ENERGY STAR option includes everything that is needed for a product to meet or exceed ENERGY STAR requirements. Glazing, gas, glass thickness, etc., will vary by window and usually includes Low-E coating and Argon gas. This glazing option qualifies for ENERGY STAR.

Other Glazing Options

We also manufacture windows and doors with a variety of glazing options to fit your project needs:

  • Clear Insulated
  • Low-E
  • Low-E/Argon
  • Double Low-E/Argon
  • Obscured or Bronze Tint
  • Tempered
  • DSB Insulated
  • SSB Insulated
Porch Enclosure