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A Quick Guide on Energy-Efficient Windows

High-performance, energy-efficient windows are an integral part of any modern structure. While most homeowners have a pretty good idea of what window style they want, when it comes to technical specifications, they are a little less sure. To remedy that, here is a basic guide to help you get started.

 Energy-Efficient Windows

Insulated Glass

Insulated glass or glazing consists of two or more glass panes that are separated by a vacuum or gas-filled space to minimize heat transfer. A window with insulated glass is commonly known as a double-, triple- or quadruple-paned window depending on how many panes of glass are used.

Low-E Glass

Low-emissivity (Low-E) glass minimizes the amount of infrared and ultraviolet (UV) light that comes through the glass without minimizing the amount of light that comes through your replacement windows. Low-E glass has a transparent, microscopic coating that is directly applied to the surface to help reflect heat and keep the temperature in your home at an ideal level.

U-value and R-value

U-values measure how effective your windows are as an insulator. Simply put, the lower the U-value is, the less heat is lost, and the more insulation it provides. R-values, on the other hand, are usually cited when discussing walls and ceilings. It is important to note that R- and U-values relate to each other inversely. The higher the R-value is, the better insulated your walls and ceilings are.

Renewal by Andersen® of St. Louis is one of the top windows company serving residents in Chesterfield, Missouri as well as its surrounding areas. To schedule an appointment, simply give us a call at (314) 332-2364. Alternatively, you may fill out our contact form to request a free quote from one of our experts today.

Reviews

"Renewal by Anderson provide a good, reliable product in a timely manner and do their job very professionally!!"

Raj Talwar
Aug 29, 2023

"Replacement windows installed by Tony & Nate team. Very professional, detailed oriented, Both worked 10 straight hours w/o breaks/lunch to complete our installation same day for 8 windows. We are extremely satisfied & very happy with our new windows. Would highly recommend Renewal by Andersen to anyone. Worth the money!"

ROGER YOUNG
Aug 29, 2023

"The representative/salesman, Brian Price did a awesome job. The installers did a fantastic job, quick, clean, courteous. The quality of the windows and the doors is fantastic. Windows are easy open, easy clean. Renewal By Andersen is a fantastic company. They do everything they say they’re going to do. There is no middleman. You only deal with Andersen, that’s what I like the most."

Daniel Barron
Aug 23, 2023

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