Hey gang,
Completely new to this forum but looking for some advice. My wife and I are hoping to start construction on house in about 1 month. We have a passive solar design and are going with Andersen 400 series casement windows throughout. We wanted to potentially get passive sun style windows from Andersen 400 series on the south side. The specs on those windows are (U factor)-.29, SHGC-.52. The rest of our house will have standard Andersen casements with (U factor) and SHGC both below .3. We live in southeastern PA(Landenberg) and according to the chart on Andersens website we are just out of range for what they would recommend for passive sun windows. I have two questions. Do you all think it's worth it to get passive sun windows on south side to allow for more warmth in winter time, and also based on drawings, does our roof go out far enough to block sunlight in summer time or should we see if it can be extended slightly? Thanks for all of your help!