Placing a hand near the window on a windy night can reveal -- brrr! Even if the cold air isn't leaking in through gaps, the window itself can make the indoor air cooler. Those old single-pane windows provide only a thin glass barrier against the elements. Windows can have a significant impact on home heating costs: In the colder parts of the United States, anywhere from 15 to 35 percent of heat loss in wintertime can be attributed to poorly insulated windows [source: Shurcliff ]. In other areas of the country, like the Sun Belt, the major concern is keeping homes cool in the warmer months.
Many companies offer new windows that take cues from historic architecture. Then again, windows represent high maintenance and also heat loss, so practicality weighs in. The goals for each house and each project are different. Numbers do not tell the whole story. What we can do, however, is organize our thinking to cut through confusion and see the subject in a clearer light.
Warm Weather Window Insulation Testimonials. Technical Data Case Study. Commercial Blinds and Shades Projects.
That improvement happened back in roughly 35 years ago. Single Pane Windows. Low-E or low emissivity glass coatings slows heat transfer through glass.