Atlanta Window Factors to Consider
Double-pane glass. Double-pane
windows are superior to, but more expensive than, single-pane windows.
Double-pane windows incorporate two parallel sheets of glass with an
insulating dead air space between them. Because of the extra pane—and
more importantly, the space between the panes—double-pane windows
greatly reduce the amount of heat transferred through the window.
Additionally, to make double-pane windows even more efficient, the
space between the panes is often sealed and filled with an inert gas,
such as argon.
Special coatings. A variety
of special coatings can be applied to the glass pane during
manufacturing to further reduce the amount of heat transferred through
the glass. Low-emissivity glass (or Low-E glass, in industry jargon) is
designed to reflect infrared heat back in the direction it came from.
In the summer, it keeps the infrared heat out. In the winter, it keeps
the infrared heat in.
Double-hung windows. Double-hung
windows are designed to tilt in to allow easy cleaning from inside the
house. This feature is especially nice if a ladder is needed to clean
the windows from the outside.