Sunday, June 01, 2008

The Best Time to Consider Energy-Saving Replacement Windows for Northern Virginia

Here's some timely and interesting information from a long time family business and local window replacement and installation provider in our area...

The Northern Virginia and Loudoun County area is a region of significant temperature and weather variations, though not typically to utterly unreasonable extremes. Springtime weather may change from very hot and humid to cold and rainy in a single day, while mid-winter temperatures in the 70’s (for January!) tend to occur every few years. Therefore, your choice and options for replacement windows in Northern Virginia should take into account the rapid changes and variations of weather, without necessarily focusing solely on seasonal averages. Your new or replacement windows should assist your overall energy conservation goals by effectively separating warm from cold air at all times, whether the cold air is outside the window, or inside the home. These objectives are relevant for any kind of window, from vinyl windows to wooden, from double-hung to single-pane patio doors or enclosures, and from home windows to commercial siding.

This time of year (late spring) is an especially good time to have your Northern Virginia windows examined, repaired and/or replaced. (Note that window repair should be considered for any type of window scratch, crack, stain or other factor that would decrease the effectiveness of heat transfer or reflectivity). Long rain events occur with decreasing frequency, thunderstorms are not yet into their summer cycle, temperatures are moderate and both heating and air conditioners are likely not being utilized as much. Installing during the time will allow you to set a baseline from which your energy cost savings resulting from installation of new, energy-efficient windows can be more accurately measured over the coming years.

Energy Advantage Low-E Glass is a high performance, energy efficient window glass made with an invisible coating that blocks heat flow. It was invented by Roy Gordon, a Harvard University “Thomas Dudley Cabot Professor of Chemistry”, in the 1970’s, with full-scale manufacturing and production started in 1989 by Libbey-Owens Ford, a company with more than a century of experience making glass. Low-E glass is manufactured with a microscopically thin and transparent layer of metal or metal oxide that reflects infrared “heat” energy back into the home, greatly enhancing the thermal performance of the window. “Low-E” refers to “emissivity”, which is a measure of the ability of a surface to absorb or reflect heat. As an energy efficient glazing technology, Low Emissivity (or Low-E) glass is a poor absorber of heat.

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