by Gates Dearen
A recent HomeRite project |
If you’ve looked into
getting replacement windows lately, you’ve probably run into some terminology
you’re not familiar with. For example, one phrase that you’re almost certain to
run into is “Low-e.” Just what does the “e” stand for? Emissivity. It’s not a
word most people use or hear very often. Here’s a definition from the
Merriam-Webster dictionary.
Emissivity: the
relative power of a surface to emit heat by radiation, the ratio of the
radiant energy emitted by a surface to that emitted by a black body at the same
temperature.