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Old 08-24-2012, 03:24 PM   #1
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Which would you choose and why?


Sunny side of the house. High desert, Southern California. Hot sunny days year round but especially in summer. In the winter nights can get wicked cold 20-30F.

Choice 1: UFactor 0.34 SHGC 0.22 VT 0.41

Choice 2: UFactor 0.29 SHGC 0.30 VT 0.59

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Old 08-24-2012, 07:26 PM   #2
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Which would you choose and why?


I am assuming that sunny side is south side of the house?

I would take choice 2 unless "sunny side" is facing west. If facing west I would go for the lower SHGC, otherwise I would opt for lower U value and higher VT.

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Old 08-24-2012, 09:01 PM   #3
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Which would you choose and why?


+1 to Oberon's feedback.

Choice #2 without question for me.

I would probably still opt for #2 even on the West side.

A VT of 0.41 is somewhat terrible for those thermal numbers.
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Old 08-24-2012, 09:04 PM   #4
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Which would you choose and why?


Quote:
Originally Posted by oberon View Post
I am assuming that sunny side is south side of the house?
Exactamundo.

I agree, the lower ufactor and higher visibility window seems better. Just wanted a second opinion.

I got a deal 2 new windows on clearance at HD Supply for the price of 1. The .34 .22 .41 windows were $65 each. I was going to get all of my windows at Lowes. Lowes windows are $130 each and are .29 .30 .59.

Oh well, it was a final sale so I can't go back on it now.
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Old 08-25-2012, 08:33 AM   #5
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Which would you choose and why?


+2 to the above comments...I would recommend the Simonton offering if you are looking at HD. The other vinyl choices that they carry are generally not very well liked.
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Old 08-29-2012, 10:19 AM   #6
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Which would you choose and why?


UFactor 0.34 SHGC 0.22 VT 0.41

That window is pretty brutal on the energy rating. Any window with a VT of < 0.40 is technically tinted glass. So a 0.41 IMHO is basically tinted glass. The U-factor of 0.34 is not that great.

I personally would not put in windows less than 0.25 on the U-Factor. You can get triple pane windows with U-Values of 0.14 for not that much more. With 0.34 you are barely passing code (which should be 0.35 or lower).

What brand/design windows are these?


As far as : UFactor 0.29 SHGC 0.30 VT 0.59

That would be the better choice IF that was the only 2 choices. Have you looked into passive solar? In winter you can cut your heating costs by 40% with proper solar glazing. Although in summer you have to be careful with overheating if not properly designed (overhang, positioning, shading).

I would look into something with higher SHGC on the south end and < 0.25 on the U-Factor.

Energy costs are not getting cheaper. Buying a window with a U-Value of 0.34 is like buying a car that gets 20MPG. Buying a window with a U-Value of 0.25 is like buying a car that gets 35MPG. Buying a window with a U-Value of 0.15 is like buying a car that gets 65MPG+.


Last edited by JackOfAllTrades; 08-29-2012 at 10:37 AM.
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