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Features of an ENERGY STAR® Replacement Window

Fact: ENERGY STAR® appliances use 20% to 30% less energy than their counterparts. These appliances will cut down on your electric bills and make your home much more comfortable. Renewal by Andersen® of St. Louis presents the features of ENERGY STAR windows and patio doors.

Features of an ENERGY STAR® Replacement Window

U-Factor

This indicates how well heat flows through a window. The lower the U-factor, the more insulation the window will have. In northern climates, a low U-factor and higher Solar Heat Gain Coefficient (SGHC) will lead to an ENERGY STAR rating. This ensures that homes will be well-insulated and enjoy passive solar heat from the windows.

SHGC 

SGHC measures the solar heat that enters through the window. Lower numbers signify less solar heat entering a home. In southern climates, the smallest U-factor rating is a bit higher, but the SGHC is lower. This reduces the amount of solar heat in the home. That’s why it’s so important to get ENERGY STAR-rated windows for your location. You can get quality windows and sliding patio doors from Renewal by Andersen of St. Louis.

AL

The Air Leakage (AL) rating measures the amount of air entering the frame and joints. A lower AL rating means less air flows through the window. After regional energy efficiency ratings, windows also need a rating for air leakage. It’s necessary for an ENERGY STAR-certification. All windows must have an AL rating of less than 0.3 cubic feet of air for each square foot of window space.

Don’t rely on ENERGY STAR labels alone. Some doors and windows are more efficient, durable and worth the investment than others. Work with a window professional like Renewal by Andersen of St. Louis. We will help you get the best windows that will be a long-term investment for your home.

From premier-quality windows to beautiful French doors, Renewal by Andersen of St. Louis offers high-quality products for your comfort. Call us today at (314) 332-2364 for a free estimate. We serve homeowners in and around St Louis, MO.

Reviews

"The salesman had previously sold us new windows and was very informative and not a bit pushy. The installation was excellent and as advertised absolutely nothing was left for me to clean up. Highly recommend Renewal by Andersen of St. Louis👍"

Elizabeth Ham | RBA OF ST. LOUIS, MO - MARYLAND HEIGHTS
Sep 25, 2021

"Renewal by Andersen of St. Louis performed EXACTLY as the commercial illustrated. We were able to book an appointment on a Sunday. Matthew was our representative and he was great!"

Melanie Matthew | RBA OF ST. LOUIS, MO - MARYLAND HEIGHTS
Sep 27, 2021

"The product is excellent, the salesman were very knowledgeable about it, the installers were helpful and did an excellent and efficient job. I would highly recommend using this company."

Maria Marafioti | RbA of St. Louis, MO - Maryland Heights
Sep 16, 2021

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