Energy savings
For most homeowners in CT and the Northeast region, the main trigger to replace their old windows is because they are drafty and leak air. It is not uncommon that older double hung windows, although still in good shape. But they leak air so much. You can actually feel the drafts with your hand or just standing or sitting next to the window in the winter.
Another problem for the older homes in CT and the windows in the summer is the fact that single pane glass windows behave like magnifying glass. On hot sunny days they let the heat and even magnify it into your home. Okna Windows CT
Another problem for the older homes in CT and the windows in the summer is the fact that single pane glass windows behave like magnifying glass. On hot sunny days they let the heat and even magnify it into your home. Okna Windows CT

These two problems can be easily solved. With the high performance energy efficient double or triple glazed replacement windows.
From the moment of installation you will see a dramatic decrease in the energy bills in the winter and in the summer.
Read more at Okna Windows CT