A Cincinnati Window Contractor Helps You Understand Your Energy-Efficient Windows
With energy-efficient windows, you are given the opportunity to help the environment and save some money in the process. But how efficient are your energy-saving windows? The window contractors of Superior Products in Cincinnati, Ohio, shed some light on this issue; below, they share a few important things to know about energy-efficient windows.
Checking the Labels
To understand the energy efficiency of your new windows, look at the labels. There are two stickers to look for: the Energy Star label, which is blue and yellow and issued by the Department of Energy; and the National Fenestration Rating Council (NFRC) label, which is white. The white label will list numbers, and the Energy Star label will tell you what climate zones the window is most appropriate for.
Deciphering the Numbers
To fully appreciate how efficient your windows are, you should have some insight into the numbering system behind the NFRC label. The window contractors share a brief rundown of the five aspects of the white sticker:
- U-Factor: 0.20 – 1.20; the lower the number, the better the insulation properties.
- Solar Heat Grain Co-Efficient: 0 – 1; the lower the number, the less solar heat the window lets in.
- Visible Transmittance: 0 – 1; the lower the number, the dimmer the room will be.
- Air Leakage: No range; the lower the number, the less air the window lets in.
- Condensation Resistance: 0 – 100; the lower the number, the more condensation the window accumulates.
Recognizing Air Leakage
Air leakage is a major component in energy efficiency levels. Some types of windows that are naturally more prone to air leakage, such as single- or double-hung varieties. Casement or awning windows, for example, tend to have lower rates of air leakage.
Trust the local roofing and window contractors of Superior Products and find out which energy-efficient windows are best for your home. To schedule an estimate for new or replacement windows, contact the window contractors at Superior Products. Call (513) 231-1168 to schedule an appointment today.
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