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-   -   Windows in southern Climate (http://www.houserepairtalk.com/f10/windows-southern-climate-10398/)

SErtel 11-22-2010 05:19 PM

Windows in southern Climate
 
I have recently purchased a home built in 1910. It has some 41 windows, and 3 sets of french doors. The house also has absolutely no insulation in the walls, attic, or subfloor.

This home is located in the gulf south. So obviously I am concerned about my southern electric bill. Everyone keeps telling me to insulate and replace the windows, redo the A/C system, etc. I can insulate the attic and crawlspace easily, but the walls are another matter.

My quote on 41 replacement windows is $10,000 (Low-e, double pane, argon filled). So my concern is that I replace these windows, and I wont really get any savings because the walls will be uninsulated. Is that a correct assumption or not?

My experience has always been that windows in the south dont offer much savings, and I am really trying to maximize the budget here. Should I just get the low e coating on the windows that get sun?

thermoklear 12-01-2010 07:58 AM

Low-E
 
You have a choice;
of reducing the A/C costs OR getting some solar heat in the winter. If there is no shade on the south side in the summer and the A/C is a burden then get the Low-E. If you can provide shade with trees or shutters in the summer then the free heat in the winter may be desireable.

SErtel 12-02-2010 06:40 AM

We only have a few days in the year where heat is actually needed.

mark456 12-02-2010 09:57 AM

Low-e coatings, which are microscopically thin layers of metallic oxide that's bonded to the surface of a window's glass, are so thin you can see right through them yet they prevent heat and ultra-violet (UV) rays from passing through glass. The result? A window with low-e glass does a better job keeping heat in during the winter and out during the summer. And you can also think about changing your windows.


replacement windows

handyguys 12-02-2010 11:32 AM

I would think that insulation would give you a bigger bang for the buck. Then just put some shades on the windows to block some of the incoming light to help keep things cooler. You could also apply a DIY uv blocking film to the windows to keep down the heat.


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