Breaking Down U-Factor & SHGC: What Builders Need to Know About NFRC Ratings for Aluminum Windows

Knowing U-Element And SHGC you are Aluminum Windows

There are lots of decisions to make when builders are selecting the windows for their new homes. Two significant ratings to consider are the U-Factor and SHGC values. But how much do these ratings matter? Let’s put it in layman’s terms so even a 3rd grader can get the point!

A Guide to U-Factor and SHGC

The U-Factor indicates how well a window can retain heat inside. The lower the U-Factor, the more effective the window is at keeping a home insulated. Solar Heat Gain Coefficient (SHGC): Similar to the U-factor, the SHGC rates how much heat from the sun is able to pass through the window. A lower SHGC number will prevent heat from entering into your home.

Why U-Factors and SHGC Matter in Aluminum Windows

When it comes to aluminum windows U-Factor and SHGC ratings are usually what’s most important. Aluminum windows are typically strong and sturdy, but they are also known for letting a lot of heat in or out, if they are not energy-efficient. By selecting aluminum windows with low U-Factor and SHGC ratings, builders can assist homeowners in their quest to reduce energy bills and feel comfortable throughout the year.

How NFRC Ratings Affect Energy Performance in Aluminum Windows

The National Fenestration Rating Council (NFRC) has an established rating for windows in terms of U-Factor, SHGC, Visible Transmittance, and Air Leakage. These ratings allow builders and homeowners to determine how energy-efficient a window is. Builders can find the best rated windows by going for the highest-rated windows according to the NFRC.

U-FACTOR AND SOLAR HEAT GAIN COEFFICIENT IN ALUMINUM WINDOWS:!WHAT BUILDERS NEED TO CONSIDER Now, we can’t specifically quote one window’s U-factor and SHGC numbers as being best for everyone, but we can tell you that general trends are something every builder who specifies windows should be aware of.

If they opt for aluminum windows, builders should take into account the climate of the area the house is being built. For chillier regions, windows with lower U-Factor ratings are best for keeping heat in. For warmer climates, windows with lower SHGC are more effective in for lower cooling costs. It’s also a good idea to seek out windows that are certified by ENERGY STAR, since they’re promised to be energy-efficient.

In summary, when a builder is deciding on aluminum windows for a new construction, it's vitally important pay attention to U-Factor and SHGC ratings. Through a simple comprehension of these ratings and why they matter, builders are able to make thoughtful choices that work to the advantage of their clients and the planet as a whole. The right windows can make your home more comfortable, energy efficient — and affordable. So, in summary, U-Factor and SHGC are important terms to remember as you select windows for your next building project!