Energy Performance Ratings for Windows, Doors, and Skylights
Review the state fact sheets or use the window selection tool for new construction or existing homes from the Efficient Windows Collaborative to determine the desired performance ratings for your climate.
The following chart is provided to clarify the DP rating requirements for each design wind speed per the International Residential Code and the Guidelines for Hurricane Resistant Residential Construction. NOTE: 7/16 inch plywood is only an exception for replacing the requirement for Large Missile tested glazing.
What Are Different Window Ratings And What They mean
2023年8月21日 · Window ratings — the colorful numbers, letters and insignias often placed in corners of the glass — serve as identifiers to help both homeowners and contractors identify a window’s make, model, materials and efficiency.
ENERGY STAR qualified windows: 1. the ENERGY STAR Look for label when buying new windows. The label shows the climate zones where that window will perform best. 2. Determine U-Factor and SHGC ENERGY STAR standards based on your climate zone. The ENERGY STAR climate map below shows four climate zones for the United States. 3. Consider window ...
National Fenestration Rating Council | NFRC is the leader in …
The NFRC label provides clear, factual ratings across key performance categories. What does the NFRC label tell you? The NFRC label helps you compare between energy-efficient windows, doors, and skylights by providing you with energy performance ratings in multiple categories.
Energy Performance Label - National Fenestration Rating Council
By understanding key energy performance ratings like U-factor and SHGC, you’ll be empowered to choose windows that optimize both comfort and energy savings, making your home a haven of efficiency. What does the NFRC label tell you?
Based on this test, all products smaller in both width and height can be labeled with this product performance rating. Building codes prescribe design pressures based on a variety of criteria (i.e. wind speed zone, building height, jobsite exposure, etc.), therefore structural test pressures should not be used for code compliance.
Window Ratings - Efficient Windows Collaborative by NFRC
Every NFRC-certified window has a label that displays its window ratings, manufacturer information, model number, and size. These ratings are the most reliable and are used by the U.S. Environmental Protection Agency’s ENERGY STAR® program to evaluate windows.
Window Buying Guide - Efficient Windows Collaborative by NFRC
EWC's window buying guide helps you step-by-step through the process and provides information on the energy-efficient ratings you need.
Ratings - NORTHEAST WINDOWS USA
Additionally, all our product’s ratings can be found in the chart below. U-Factor – measures how well a product can keep heat from escaping from the inside of a room. The lower the number, the better a product is at keeping heat in. Range: 0.20-1.20 Look for: Low numbers.