In a recent post, we explained the benefits of using DIY low-emissivity coatings to insulate your current windows at the fraction of the cost of replacing them.  But if you are designing a new sustainable building or home and have the opportunity to select your windows from the cutting edge options available today, these general guidelines will help you make logical decisions.
There is a true science behind low-e coatings that bares the necessity of mentioning that no two low-e coatings a...