I think that the windows will not only decrease our heating bills, but also enhance the beauty of the building, as seen in the photos below. (Click on the pictures for larger images.
|Old windows on second floor|
|New windows on ground floor|
I do hope that, at the very least, we will decide to replace the windows in the choir room. That room has windows on three sides and can be quite cold in the winter. The temperature in the room during rehearsals is often in the 60s, and it was 58º recently. (There is a clock with a thermometer on the wall, so this is not idle speculation.)