Are flush sash windows energy efficient?
The old wooden flush windows were not the best in the energy department, but in modern times the flush sash window has been reinvented! It now boasts all the advantages of modern style windows while holding on to the design of the old wooden flush windows. With multiple chambers within each frame that help in trapping as much heat in as possible. All this with the added efficiency of double or even tripled glazed window panels make these windows a truly energy efficient option for any home.