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.