Window Facts

Did you know...

  • FENESTRATION refers to any products that fills an opening in a building and includes windows, doors, skylights, and curtain walls? These products are designed to permit the passage of air, light, vehicles, or people.

  • many local building codes require egress windows in some rooms to be considered a bedroom? Find out if your bedroom windows qualify in Windows 101.

  • it’s a good idea to have fire drills at home to make sure all of the home's occupants – including children – know how to operate escape windows in the event of an emergency?

  • a study of schools found that more daylight in the classroom resulted in improved performance on math and reading tests. For information on how Daylighting can affect home life, see Windows 101. (Heschong Mahone Group Study, August 20, 1999.)

  • some areas require impact resistant windows or window coverings in building codes? Does this “impact” you?

  • special windows that can prevent break-ins and even stop bullets are available from window manufacturers?

  • all ENERGY STAR® qualified windows are required to display the ENERGY STAR label? If there is no label, it does not qualify for ENERGY STAR.

  • some utility companies offer rebates for home improvements such as new windows? Check with your local utility to find out about rebates and to ensure you purchase qualifying products.

  • in order to qualify for ENERGY STAR, fenestration products must be rated according procedures established by the National Fenestration Rating Council (NFRC)?

  • products carrying the NFRC Label have been independently tested and certified by the manufacturer? This is a voluntary program that allows you –the consumer – to accurately compare unbiased product ratings.

  • the National Fenestration Rating Council (NFRC) is a non-profit organization that was founded by the fenestration industry to address concerns about energy consumption?

  • the fenestration industry developed a host of new energy efficient technologies, including low-e coatings, low-conductance spacers, and gas fills?

  • the National Fenestration Rating Council (NFRC) was founded in 1989? The first rating procedure – for U-factor – was adopted in 1991; test procedures for Solar Heat Gain Coefficient (SHGC) and Visible Transmittance (VT) were adopted in 1993. Energy Ratingswill explain the numbers on the NFRC Label and what they mean to you!

  • there are many different styles of windows? See Windows 101 for a list of some of the more popular options so you know exactly what you want when you shop!

  • that poor quality windows can cause color fading of your carpets, furniture, and artwork? See Windows 101 for information on what causes fading and what you can do to reduce it.

  • that you will have more options about windows than just style? Anatomy of a Window will provide you with the information you need to make informed choices.

  • your local building codes may require new windows be to specific standards? Our Shopping Guide discusses what you need to know about codes.