Window Designs and Properties
Choose a great window and your home will
be comfortable, attractive, and easy to maintain. Buy the wrong window and you can
spend more than you need to up front or in higher utility bills for years to
come.
Replacement windows
Replacement replacement windows should let light in and keep weather out. That's a tall order, because
glass has almost no insulating value and is a poor barrier to radiant energy.
So, if you can't control the way energy passes in and out through your
replacement replacement windows,
you won't be comfortable in your home. While some people augment compensate for
inadequate replacement replacement windows by using their heating and cooling systems, this doesn't
produce true comfort, and means spending more on utilities.
Cold Climate Design
By design, cold climate replacement replacement windows should help keep heat in a building. U-value is
the energy term used to describe a unit's ability to prevent heat loss through
the glazing or glass, sash, or frame. Choosing a unit with the wrong U-value is
like wearing a swimsuit in a blizzard: There's not much keeping the heat in.
Heat can also escape through replacement replacement windows as radiant energy. Warm is attracted to
cool, so radiant energy from people and objects is drawn out through the glass.
You can actually feel this happen when the air temperature is warm, but you feel
chilly whenever you approach a window.
Hot Climate Design
In a hot climate, the goal is to keep heat out. One way heat enters a building
is by conduction, when cool inside air comes in contact with warm exterior
glazing. Again, the cool air draws in the warmth, defeating the cooling effect
indoors. A lower U-value makes this less likely to happen. Solar heat gain
happens when radiant energy from direct or reflected sunlight enters through the
window glass. High-tech prevention is available in low-e coatings which prevent
the passage of radiant energy or solar heat into the home. An easy, low-tech
solution is to minimize the amount of sun that hits your replacement replacement
windows. Shading the
replacement replacement windows with vegetation, awnings, or overhangs such as porches and eaves
provides respite from the sun's burning rays. Another option is to decrease the
size and number of replacement replacement windows on the east and west sides of the building.
home decor
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