Storm Windows: Invisible outside, warm inside
The Old House Web
Actually, Innerglass describes the system as neither a storm window nor areplacement window, but a system that uses the best features of both. For most applications, the system is one piece for the entire opening, and pops in andout easily without tools. Installation typically takes 10 minutes, and does not disturb the primary window, according to the manufacturer. Low E2 glazing is available to further boost energy savings. Other glazing options are tempered glass, Plexiglass and UV-blocking film.
Aluminum frame fiberglass screens for warm weather are also available. are options as well. The system is guaranteed for 5 years.