What Is Low-E Glass?
Why does it put money in your pocket?
All HomeStar™ windows are available with
the Low-E (or Low Emissivity) glass option.
Low-E has an invisible, metallic coating that
admits the full spectrum of sunlight but
blocks radiant heat from escaping.
winter 70-75% of heat normally escaping is
reflected back into the home for energy
savings. Low-E also increases the
window's inside surface temperature,
making the area near the window more
In the summer 25% of
unwanted heat is reflected back to the
outside, helping to block ultraviolet light
which would normally fade fabrics, carpet