Most homeowners know that one of the biggest benefits of replacing older, less-efficient windows with newer, high-performance models is energy savings. Today’s replacement windows are much more technologically advanced, and they’re better at reducing home energy usage and improving the comfort of homes.

However, many homeowners believe these energy savings occur primarily during the winter months—when new windows prevent furnaces from running so much. While it’s true that replacement windows can help lower energy bills in cold weather, energy-efficient windows are just as important during the summer months.

Surprised? It’s really very simple: The Low-E coatings that keep warm air inside during winter months also work in reverse—they reflect outside heat away from windows in warm weather. This keeps the inside of homes cooler and results in air conditioning units running much less. Voila—summer energy savings!

When considering new replacement windows, homeowners should ask to see the NFRC ratings for each model they’re considering. Depending upon what area of the country a home is located in, a window’s Solar Heat Gain Coefficient (SHGC) ratings can be important to consider. SHGC is pretty relevant to areas where warm weather prevails, because this value measures the heat from solar radiation that enters a building. A window with a good SHGC rating can really help reflect that outside heat away from homes and lower air conditioner usage and overall home energy bills.

Replacement windows are a good value ANY time of year, and ANY place in the country. Windows with Low-E coatings are designed to improve home comfort and reduce energy usage—no matter what the weather is like outside!