Friday, November 13, 2015

The Importance of Energy Efficient Windows: Are YOU Doing Your Part?

What this article does is give you a very brief description of the types of windows and tints used for modern day windows in either commercial or residential settings.  Many people want to do what's right for the environment but think the only way to do so is by driving a more fuel efficient automobile such as a hybrid or electric.  Is that true?  Please consider the following...

Windows or Oil Wells? 


"Consider the following argument. An investment of $8M in a low-emissivity (low-E) coating system permits a manufacturer to produce 1.86 Mm2 (20 Mft2) of glass per year for 10 years and accumulate energy savings during the 20-year life of the window. The result is a savings of 36 M barrels of oil equivalent. 

On the other hand, for an investment of $300M, a 10-well, 213-m (700 ft)- high oil platform off the coast of Santa Barbara can produce 10 K barrels per day for ten years. The result is a depletable supply of 36 M barrels of oil with consequences of oil spills, global warming, and environmental pollution."

Powerful indeed.

Professional window cleaners come across many types of windows  We thought we would give you a sample of what we deal with when we clean the windows at your home or business.  Technology has been evolving since windows were created and since building ages vary, we see them all.

There are 6 different types of glass used in the in glass industry.  Please note how similar the benefits of these types of windows are.  They all pretty much do the same thing; benefit the environment by allowing natural sunshine in but limit heat loss.  So what are they?

The 6 Types of Glass 

1.  Gas Fills
This type of glass is very good for the homeowner who is concerned about the heating bill.  Very good for limiting heat loss.  Argon is used to improve thermal performance because it is approximately 30% more dense than oxygen.  Argon offers sound proofing as well as a barrier for heat loss or heat transfer.

2.  Heat-absorbing Tints
As you can imagine, this type of window is tinted so the sun's radiation is absorbed rather than penetrate the glass.  This is a chemically treated window that reacts to heat. Various intensities are used to allow or limit the amount of light into a room.

3.  Insulated
Double and triple paned glass separated by either gas filled or dead air space allows limited heat loss. Very good choice for homeowner concerned about an electricity bill.

4.  Low emissivity also known as Low-E
If there is such a thing as a "smart glass" this is it.  Why?  It allows the warmth of the sun through in the winter but in the summer it rejects the heat.  How?  It filters long wave radiation.

5.  Reflective
This is a metallic treated window that often has a mirror finish but not always.  Best used in situations where the room temperature MUST be controlled.

6.  Spectrally Sensitive 
A microscopically thin layer glaze is put on the glass to allow light in but limit heat loss. What makes this type of glass unique is that the window is very close to clear, no visible tinting.

If you are contemplating a window upgrade in your home you probably are doing a considerable amount of research.  I recommend going to www.energy.gov and doing a little more research.  There is plenty of material there to get your mind thinking.

As always, if you are thinking about hiring a window cleaning company, call us today at 719-568-8950 and ask about our Winter Specials we are running.

Serving the most beautiful area in Colorado...Salida, Buena Vista, Leadville and all surrounding areas!




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