Which is the better solution: window film or new windows with low-e coatings? As with many upgrades, there's no right answer. Only you can determine which product offers the best performance at a reasonable cost. Consider these four steps when deciding which improvement fits your building. Examine your existing windows. You need to replace them if they leak moisture or air, the space between the panes is fogged up (indicating condensation and moisture intrusion), or the seals have failed.
展开▼
