Newbie with ?: Window Coating for Nook in Direct Sun!

LordorDecember 30, 2012

HI all,
My first posting but I have read a ton on this Forum and, also, learned a ton. We are finally underway on our full home remodel and these Forums have been invaluable, so thanks in advance to everyone who participates in these forums and to everyone who responds!!! My hope after our remodel is complete is I also can start providing some feedback, once I have learned from some good decisions/mistakes myself!

So, we are using Marvin Integrity double hungs in our home remodel. My question is specifically around a new dining nook at the end of the kitchen. We will eat all of our meals here. The nook will be 10' wide by 5' deep and have five windows. Three windows are due south facing, one due east, and one due west. All the windows are 32" wide DH's.

My question is around a concern I have of sitting in this nook and getting cooked by all the sunlight. This nook will have built in seating with the windows ending at the top of the benches, so the tops of our back, shoulder and head will all be in the sun. There is very little overhang over the nook (appr. 15" overhang.) I'm worried about having a meal and sitting there for an hour and whether or not I will get heated up from the sun! My wife thinks I am over-thinking this and being too worried, am I?

Marvin Integrity's come with LowE2-272 standard with argon. They offer the 366 upgrade. But there are several other windows closeby plus a 15' folding glass door that will all have 272 coatings. We also want the room to be as bright as possible, so I'd like to keep the 272, but am concerned if I do get hot from the sun, then there is no going back!

PS...The house is in Los Angeles area, so it's sunny all the time. The nook windows have very little overhang and no trees/building to block the sun. We are about 0.5mile from the beach, so no one has A/C in this temperate climate, but the sun is still hot.

Sorry this is such a long posting, but I wanted to fully detail my situation. The window shops I spoke with don't seem to have a strong opinion on this and won't really tell me if I will get hot sitting next to a 272 window.

So, bottom line - for southern california sun, does anyone know if standard LowE-2 glass coating (272) be OK if you sit next to the window for an hour or should we upgrade to 366 and forget about if they don't match the other windows exactly?

Many thanks for your thoughts!!!

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PRO
Windows on Washington Ltd

Specify Low-e 366 in those areas if you are concerned.

Passive solar is a benefit in those locations that are more heating degree dominated. In Southern California, you are the other way around.

If you are okay with the darker coating, you should go Low-e 366 on the entire home.

    Bookmark   December 31, 2012 at 9:30AM
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Lordor

Windowsonwashington,
Many thanks for the feedback. I haven't seen the two glasses side by side so I'm curious how much darker it is. Is it very noticeable?
I'm going tontrynand swing by a window shop soon.
The shop we go to has the same advice as you but doesn't have both glasses on display.
Thanks.

    Bookmark   January 4, 2013 at 12:08AM
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Lordor

Windowsonwashington,
Many thanks for the feedback. I haven't seen the two glasses side by side so I'm curious how much darker it is. Is it very noticeable?
I'm going tontrynand swing by a window shop soon.
The shop we go to has the same advice as you but doesn't have both glasses on display.
Thanks.

    Bookmark   January 4, 2013 at 12:09AM
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PRO
Windows on Washington Ltd

No folks can notice, others will not. Depends on your visual acuity.

Only thing I can recommend is to take a look.

    Bookmark   January 4, 2013 at 10:17AM
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toddinmn

I would go with 366 for sure. You will notice when you are looking at them in a side by side comparison but most wuold never know unless they are specifically looking for it. Even in MN overheating can be a big problem and I often recommend to go to 366 despite are heating season.I don't visable light will be a problem with a big bank of windows and I would take the comfort over the visable light.

    Bookmark   January 4, 2013 at 4:58PM
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PRO
Windows on Washington Ltd

+1

Good advice Todd. For some reason my post above says "no" but was meant to say "some".

Most people will not note the difference and it will give you much better radiant heat control than any 2-layer low-e.

    Bookmark   January 5, 2013 at 8:29AM
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