5 wide window

joe_mnOctober 31, 2010

1975 house. 2x4 walls. insulated. we have living room on south side of house. gets lots of sun. we have a 4x10 window that has 5 sections. double pane but i think it has poor R value. wife says we cannot make opening smaller. new window has to be 10'. i hate the large amount of wood. so i was thinking 2x6x2. would a very well built, properly installed window make the room seem any warmer? or is that too much glass?

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eastbay10

Your post wasn't very clear. That is probably why no one responded but I will try to help. If 2x6x2 means you are going to break the ten feet of window into a mulled window of two foot flankers and a six foot picture window, that is very common. As for your question about making the room warmer, an upgrade to low e IG will help immensely. Being that the window is on the southside, you may also think about passive solar with the window as long as you have some protection (shade trees or large over hang)in the warmer months. Cardinal's 179 is excellent for that. If you don't have any protection, I would recommend the 366 product. Hope this helps.

    Bookmark   November 3, 2010 at 8:12PM
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joe_mn

house is minimally insulated. 2x4 walls and 2x6 rafters overhead with R-19. cannot get into overhead space unless i got thru roof vent. no closet roof access on this end of house. multi-level. so the house shell has weak insulation. will installing a better R value window with better infiltration specs improve the rooms heat loss? IG, is the a gas filled term?

    Bookmark   November 4, 2010 at 10:59AM
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millworkman

Means Insulated Glass, and a better R value in a window with an poor insulated wall is kind of like putting a storm door on a screened in porch.....Not going to do much!!!!

    Bookmark   November 4, 2010 at 12:21PM
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