Protecting home furnishings and floors from uv light

in2thesunOctober 19, 2011

I live in Ogden, UT and my 12 year old house has beautiful south facing views which I would like to keep without covering my windows with curtains or shades. I currently have 270 low e windows. I am thinking about replacing the glass with 366 low e panes in order to cut down on the damage the light is causing my furniture and hardwood floors. Someone else recommended to me just to put 3m film on the windows. Which would be better? I have priced both and am willing to pay the extra for the 366 low e window replacement if that is the better option to solve my uv problem. Any suggestions on this decision?

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windowsonwashington

I would not worry about the swapping the glass or adding a film.

Standard 2 coat Low-e (i.e. Low-e 270) will block 85-90% of the UV light that hits the window (frame to frame) and will dramatically reduce any fading that might occur.

Being in UT, you are a 5:1 heating degree to cooling degree climate. Blocking any more of that "free" winter heat that you get from the passive solar heating of the sun will actually hurt the home's overall efficiency in the end.

Fading protection is not all a UV question either. It is a combination of UV transmission and visible light as well. Example, blocking all the UV transmission does not mean that the fading potential is 0. The visible light will still fade the carpet, floors, etc.

I think you are more than well protected with Low-e 270 and you want that higher SHGC to warm that home up in the winter.

    Bookmark   October 21, 2011 at 9:30AM
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in2thesun

Thanks so much for your advice on this.

    Bookmark   October 21, 2011 at 3:11PM
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