Our new cabin is 38' long facing south to Lake Superior. We want to see EVERYTHING and maximize solar gain. How mch is too much glass?

Asked by Bob Skow
Saint Cloud, MN

Please advise since our builder is using ICF construction and the window decisions are permanent!!!


Danny Kelly

Answered by Danny Kelly

Charlotte, NC

Kelly McArdle Construction

October 19, 2011

If your house was designed with passive solar heating in mind, the rule of thumb is to keep the glass ratio to floor area no more than 6 - 7%.

You also want to choose a window with a high Solar Heat Gain Coefficient (SHGC) and a low U-Value.


For more information:

Read "What's the best way to capture solar heat from south-facing windows?" a Q&A answered by Cassandra Adams.

Tagged In: passive solar, solar gain

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