If you happen to live in an space where winters are particularly lengthy, you will find it advantageous to switch from traditional home windows to double glazed units. There are lots of benefits related with the latter: Double glazed windows are more energy-efficient and harder to break. They also do a greater job of reducing noise.
So, how exactly does double glazing work? Contrary to what many people think, the precept behind the technology is pretty simple — but it’s price understanding the science that will help you to make better selections about which options are worthwhile, and which are merely marketing gimmicks.
First, two glass panes are held collectively in a frame. Glass panes used in double glazing are normally tinted although clear varieties are available. The tint helps to absorb solar radiation in order that through the warm summer time months, your house won’t really feel like an oven.
The most common tints are bronze, grey, blue and green. Higher-finish glass panes might employ a combination of reflective, anti-glare and heat-absorbing technologies.
Second, a barrier of air or gas is maintained between the 2 window panes. Called a spacer, this gap is key to reducing heat loss and noise. Heat will always move from higher to decrease temperature. In solids (like glass), this happens very quickly because the particles are tightly packed.
Heat transfer is far slower in gases (like the air or argon trapped within the spacer) because the particles not only move freely but are additionally situated far aside from every other. The effect is improved insulation. Heat does not escape easily from the window. Your own home stays warmer longer.
Sound travels slowest by way of air and accounts for how double glazing can keep noise ranges down. Additionally, some spacers come with foam padding designed to soak up echo and muffle sound. This is a superb way to host late-night time parties without disturbing the neighbours.
Finally, the barrier is sealed to prevent the entry of outside air and to avert moisture build-up in the interior glass panes. Typical spacers include dessicant as an added precaution against condensation.
There are several factors that can affect the general efficiency of double glazed windows. These embrace the kind of window frame used, the thickness of the glass and the space between them.
Regardless of the variables, all double glazed home windows operate under the same basic principle. Traditional home windows utilize only one pane of glass, whereas double glazing makes use of two. Between the two panes of glass is an air or gas-filled barrier that works to reduce heat loss and regulate heat gain.
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