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10-17-2006, 07:23 PM
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#1
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Montana Master
Join Date: Oct 2005
Location:
Posts: 1,568
M.O.C. #4890
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Low E windows.
I built my stick house 28 years ago, my Dad and I did it all, framed it, finished it, wired it, plumbed it, and it has been a great house but the windows we put in were a cheap double pane aluminum and the seals have failed and the windows have condensation between the glass layers and always look dirty from the outside. Time to change them. I have got several estimates and have been told of the benefits of what they call Low E glass. My question to the MOC membership whom I have come to respect and value their opinions.
Is low E glass worth the extra cost? Pros ? Cons? Thanks
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10-17-2006, 07:47 PM
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#2
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Montana Master
Join Date: Nov 2002
Location: Bakersfield
Posts: 5,316
M.O.C. #15
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Get the best "double pane low E" windows that you can afford. They really help. We live in an area that had the houses built in the late 60s. Standard single pane windows. Since then, of course, the double pane low E has become the standard. I believe that it is code now. Our whole neighborhood has changed to the low e double pane windows.
HamRad
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10-18-2006, 02:27 AM
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#3
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Montana Master
Join Date: May 2006
Location: Oakland
Posts: 887
M.O.C. #5811
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Low E windows are worth the extra cost especially in a cold climate as you are. You can feel a difference of temperature touching the glass on low E windows compared to dual pane windows. If you don't want to remove the old window frames to install new windows, retrofit replacement windows are easy to install.
Don
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10-18-2006, 04:36 AM
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#4
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Montana Fan
Join Date: Jan 2005
Location: Ray
Posts: 245
M.O.C. #2923
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Yes! Low E windows are worth it. Here in ND I think that is the standard.
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10-18-2006, 02:41 PM
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#5
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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I'm a putts! What is Low E? (from what I hear, not low expense)
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10-18-2006, 03:01 PM
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#6
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Montana Master
Join Date: Apr 2004
Location: Apple Valley
Posts: 1,574
M.O.C. #1358
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A reasonable explanation of low e glass...
http://www.doubleglazing.com/low_e_glass.htm
I have been a replacement window contractor for nearly 20 years...low e is a must. Double pane is really a must too - triple pane only if you are in a severe weather area, otherwise it's a waste of money.
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10-18-2006, 03:29 PM
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#7
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Montana Master
Join Date: Apr 2004
Location: Apple Valley
Posts: 1,574
M.O.C. #1358
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I would also like to add...there are different coatings you can get as well (in addition to...)
For instance - one coating on the inside of the outer pane, or a different coating on the outside of the inner pane.
They achieve different results. One blocks the heat, and the other blocks the cold.
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10-18-2006, 03:30 PM
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#8
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Montana Master
Join Date: Apr 2004
Location: Apple Valley
Posts: 1,574
M.O.C. #1358
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Oops...didn't mean to double post...it didn't take...
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10-18-2006, 04:04 PM
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#9
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Montana Master
Join Date: Aug 2006
Location: Texico
Posts: 1,917
M.O.C. #6150
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Thanks Putts, I was hesitant to ask . Pretty neat stuff Ozzie, good info.
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10-18-2006, 04:27 PM
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#10
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Montana Master
Join Date: Aug 2006
Location: Lone Tree
Posts: 5,615
M.O.C. #6109
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Why you're welcome Lonnie!
OZZIE, thanks for the link. I guess I can assume my 1993 Weathershields are not Low E from what I can read.
Brad
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10-18-2006, 05:13 PM
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#11
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Montana Master
Join Date: Apr 2004
Location: Apple Valley
Posts: 1,574
M.O.C. #1358
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Another very good feature of low e is blocking the harmful rays of the sun. Your nice carpet, hardwood flooring, and window treatments will stay that way.
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10-18-2006, 05:46 PM
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#12
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Montana Master
Join Date: Oct 2005
Location:
Posts: 1,568
M.O.C. #4890
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Ozzie, is it true house plants will not grow well with Low E because they need the UVs to thrive.
That is what the window contractor told us, so my Daughter who loves plants and has a room full of them has said no to low E in her room. We probably will go for it every where else.
Ozzie, what about Bronze glass? The Argon filled, we are getting as it is only 200.00 extra.
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10-19-2006, 12:44 PM
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#13
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Montana Master
Join Date: Apr 2004
Location: Apple Valley
Posts: 1,574
M.O.C. #1358
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Sorry for the late reply Wrenchtraveller...I wasn't ignoring you.
I got up this morning and saw your last post and was looking for the answer before going to work.
What I've found so far is saying it isn't the low e that hurts the plants - it's the reduction in light coming through the windows.
This reduction can come from any type of glass coating, not specific to low e.
That's what I've found so far, and that was from a horticulturist from a Wisc. University. I can dig up the link for you...it was just a blurb.
To quote:
"Low E coatings are thin metallic coatings on windows that reduce heat loss through glass. They do reduce the amount of ultraviolet light coming through window glass somewhat. While the normal double glazed window lets 52% of the ultraviolet light through, various types of low e glass let between 0.5% and 36% through. However, according to a horticulturist I contacted ultraviolet light is not critical for plant growth. She indicated that the percentage of visible light low E coatings are thin metallic coatings on windows that reduce heat loss through glass. They do reduce the amount of ultraviolet light coming through window glass somewhat. While the normal double glazed window lets 52% of the ultraviolet light through, various types of low e glass let between 0.5% and 36% through. However, according to a horticulturist I contacted ultraviolet light is not critical for plant growth. She indicated that the percentage of visible light is the issue of concern. A normal double glazed window lets about 81% of the available visible light through while low-e glass lets between 62% and 76% through depending on the manufacturer. The reduction might be enough to impact the growth of some species. Manufacturers of the windows you are considering should be able give you the figures for their glass."
That's all there was, but here's the link anyway...
Low E
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