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Storm windows are an inexpensive add-on: even the best storm windows—three track exterior windows with low thermal emission—will cost a small fraction of the price of standard replacement windows. [citation needed] Interior storm windows can, however, produce condensation and be visually obstructive; exterior storm windows can also have a ...
Fitting a second pane of glass to improve insulation began in Scotland, Germany, and Switzerland in the 1870s. [2] Insulating glass is an evolution from older technologies known as double-hung windows and storm windows. Traditional double-hung windows used a single pane of glass to separate the interior and exterior spaces.
Clear double glazing has a U-factor between 1.8 and 3 W/(m 2 ⋅K) or between 0.3 and 0.5 Btu/(h⋅ft 2 ⋅°F) (about R-2) Clear triple glazing has a U-factor between 0.5 and 1 W/(m 2 ⋅K) or between 0.1 and 0.2 Btu/(h⋅ft 2 ⋅°F) (about R-3). Double and triple glazing are critical for energy efficiency. Single glass windows are no longer ...
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Named Winter Storm Demi by The Weather Channel, it will bring a quick round of snow to some of the country's largest cities, which could impact everything from travel to playoff football.
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