When comparing double glazed sash windows to single glazed windows, the main focus is conservation of energy. Sash windows, which consist of two or more separate panels in frames, at least one of which moves, were originally single glazed. However, with the introduction of central heating and utility bills, more efficient double glazed windows are preferred.
The sash type of window, with at least one movable panel to allow opening the interior of the building to the outside air, was invented in the middle of the seventeenth century in England. Before then, most windows were of the casement type, with panels that opened outward on side hinges.
Glazing refers to the actual glass in a window, although the term is sometimes used as a verb meaning to secure the glass into the frame with glazing compound, or putty. The proper verb is 'reglazing', or replacing the glass in a window. Therefore, a single glazed window has one sheet of glass, while double glazing requires two sheets of glass separated by empty space. The space is generally filled with air, although sometimes manufacturers will use a gas like argon to fill this space between the panes.
If the windows of your home are single glazed, you will reduce your consumption of energy by changing them over to double glazing. The increased efficiency will probably entitle you to tax credits from the government, which covers part of the cost of window replacement in this way. Many countries are hoping to help homeowners use less energy with such incentives.
Other ways of insulating windows include draperies, which can cut the amount of heat and light that enter a home, or the heat and air conditioning that escapes, but block the view and the natural daylight as well. Tinting the glass has the same drawback and only works against sunlight; it does not help to keep hot or cold air from escaping from the inside to the outdoors. There are clear, insulating films that may be applied to the glass, but this is a short term fix.
There are many sites on the Internet with advice on the best way to install double glazing, either with new glass in old windows or by replacing the entire window unit. It is easy to compare products and prices, and to decide whether to attempt this yourself or to hire it done by professional contractors.
In comparing double glazed sash windows to single glazed windows, the main focus is on keeping the inside of a building at a comfortable temperature with less use of costly climate control. A double paned window is far more energy efficient than a single one.
The sash type of window, with at least one movable panel to allow opening the interior of the building to the outside air, was invented in the middle of the seventeenth century in England. Before then, most windows were of the casement type, with panels that opened outward on side hinges.
Glazing refers to the actual glass in a window, although the term is sometimes used as a verb meaning to secure the glass into the frame with glazing compound, or putty. The proper verb is 'reglazing', or replacing the glass in a window. Therefore, a single glazed window has one sheet of glass, while double glazing requires two sheets of glass separated by empty space. The space is generally filled with air, although sometimes manufacturers will use a gas like argon to fill this space between the panes.
If the windows of your home are single glazed, you will reduce your consumption of energy by changing them over to double glazing. The increased efficiency will probably entitle you to tax credits from the government, which covers part of the cost of window replacement in this way. Many countries are hoping to help homeowners use less energy with such incentives.
Other ways of insulating windows include draperies, which can cut the amount of heat and light that enter a home, or the heat and air conditioning that escapes, but block the view and the natural daylight as well. Tinting the glass has the same drawback and only works against sunlight; it does not help to keep hot or cold air from escaping from the inside to the outdoors. There are clear, insulating films that may be applied to the glass, but this is a short term fix.
There are many sites on the Internet with advice on the best way to install double glazing, either with new glass in old windows or by replacing the entire window unit. It is easy to compare products and prices, and to decide whether to attempt this yourself or to hire it done by professional contractors.
In comparing double glazed sash windows to single glazed windows, the main focus is on keeping the inside of a building at a comfortable temperature with less use of costly climate control. A double paned window is far more energy efficient than a single one.
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The use of double glazed sash windows helps to keep energy usage at a lower rate than you would get with single glazing. Sash windows are historically a great method to promote natural energy efficiency.
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