Re: [DIY] Re: Windows

 

Ok this is playing a game with my mind lol

Winter solar gain has confused me. 
Will that allow the heat from the winter sun to warm up the room or not?

I think I would rather let the winter sun in to naturally warm... and hang sheers on that window in the summer.
Can you please explain the window thing so it doesnt mess up my brain power?

Thank you
Joyce



Joyce aka Mom aka Joycie

On Tue, Feb 5, 2019 at 6:56 AM Laren sylvanabode@gmail.com [DoIt_Yourself] <DoIt_Yourself@yahoogroups.com> wrote:

 

joan85032@yahoo.com wrote;

> Get Low E in the window. it costs maybe 15.00 and it lets

> the winter solar gain, and blocks the bad heat in the summer

> because of the angle of the sun.

Hi Joan;

      While that is very sound advice for most windows, Joyce

had specified South facing windows. For South facing windows,

Low-E glass will block more heating season Solar gain, than the

heat loss it will save. The net result is that standard double glazing,

(especially with about a 9/16" to 3/4" gap, and argon fill) will be

more energy efficient than using Low-E glass, for South facing

windows.     As you astutely pointed out, standard glass will also

allow more Summer heat gain, so if there is a lot of window area,

and no shading or other heat control solutions, and especially in

a very sunny and warm climate like your Arizona, then it may still

be advantageous to use Low-E, even though it is not seasonally

(heating season) as energy efficient as standard glass, for South

facing windows.

-Laren Corie-

Designer of Passive Solar and

 Energy Efficient Homes Since 1975

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Posted by: Joyce O <theoldhen@gmail.com>

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