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What Do Those Window Labels Actually Tell Owensboro, KY Homeowners? Pella Wants You To Know.

What Do Those Window Labels Actually Tell Owensboro, KY Homeowners? Pella Wants You To Know.

The path to purchase for replacement windows and doors can be quite a process for the average homeowner. Not only are there a variety of styles, materials and brands to consider, but the industry codes and ratings can be very confusing, leaving one frustrated. Acquainting yourself with window speak will not only educate you, but will likely make the overall experience more enjoyable. Whether you are replacing rotting, old windows and doors, considering a remodel or building a new home in Owensboro, the information below can help you translate industry terminology and provide you the knowledge you need to make an informed decision.

Energy Efficiency

First things first, make sure you are selecting an energy efficient brand. A easy way to discover this is to look for the ENERGY STAR®. Companies that have achieved the right to use this bright blue logo signifies that their products use less energy, help reduce your carbon footprint and best of all – help save you money.

Learning about the NFRC Label

Now that you have learn a little about ENERGY STAR certified products, it’s time to discuss the importance of NFRC ratings. ENERGY STAR certified windows or doors have been tested by the National Fenestration Rating Council (NFRC) and display an NFRC label on them as confirmation. The NFRC is a third party, nonprofit organization that evaluates windows and doors to help Owensboro residents compare products and brands. This advisory label is loaded with pertinent information about the ranking and rating of windows and doors. Here’s how to translate three important NFRC stats:

  1. U-factor
  2. U-factor is a term used in the construction business to illustrate the volume of heat passed through the structure of a building, including through windows and doors. In short, the U-factor tells you how efficient windows and doors insulate. U-factors range from .15 to 1.25; the lower the number, the better the insulation. Beware of extremely low U-factors that sound beyond brief; they probably are. An artificially low rating was possibly from testing the center of a window pane. A more accurate way to tell is by referring to NFRC ratings, which consider the entire window or door unit.

  3. Solar Heat Gain Coefficient (SHGC)
  4. The SHGC measures how much heat from sunlight transfers through a window. The lower the SHGC rating, the less the window or door transmits solar heat. Usually, the SHGC rating varies between 0.15 and .80. A high SHGC may provide extra heat in the winter -time, but can also generate higher energy bills in the summer when Owensboro homeowners compensated with air conditioning.

  5. Visible Transmittance (VT)
  6. While SHGC measures the heat that transfers through windows, VT measures the actual light that is passed. VT becomes a factor when comtemplating how much sunlight you want in a particular space in your Owensboro home. For example, a lower VT may be desirable in a home theatre. The VT ranges from .02 to .80, with a higher number indicating more light transmission.

Other Window & Door Terms

Low Emissivity (Low E)

The term Low E refers to a microscopically thin metallic coating on a window. This process is done helps lower the U-factor and SHGC of a window. Low E windows and doors also offer an added benefit by reducing fading of furniture and carpet by blocking 70% to 95% of the ultraviolet rays.

Insulating Gas

Today’s windows and patio doors typically include an insulating gas (argon) between panes to aid in overall energy performance. Argon is nontoxic, nonreactive, clear, and odorless. When a window fogs up or becomes cloudy the seal has failed and the gas has dissipated from the window.

Learn more about quality replacement windows and doors by visiting the Owensboro area Pella showroom.

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