Windows are an important part of your home's beauty. But in typical homes, windows made with older techniques are simply too cold in the winter and too warm in the summer — making you feel uncomfortable and wasting energy unnecessarily.
Photo of Two Windows from Interior: The view is the same, but the window on the left is conventional; the window on the right is ENERGY STAR certified.
Infrared Image of Same Two Windows from Interior: In this infrared photo, the ENERGY STAR certified window on the right is warmer (yellow) in the winter with 1/3 the heat loss of the window on the left.
New homebuyers often spend thousands of dollars decorating their homes — from furniture and floor coverings to window treatments and artwork. Without high performance windows that block damaging ultraviolet radiation, these furnishings will fade and degrade over time.
Without Low-E windows, furnishings are more faded.
With Low-E windows, furnishings are less faded.
ENERGY STAR windows, doors, and skylights keep your home cooler in the summer and warmer in the winter, reduce moisture condensation on window panes and sills, and minimize interior fabric fading.
Diagram of Window Cross-section: Shows elements of advanced technologies in an energy-efficient window.
With new and more rigorous EPA guidelines to earn the label, ENERGY STAR certified homes are quieter and more comfortable than ever, have lower utility bills, and help protect the environment by reducing greenhouse gas emissions. Look for a home with the ENERGY STAR, the government-backed symbol for superior energy efficiency.
Learn more about other ENERGY STAR New Home Features