Q: I have a large kitchen window that was installed around 1986. I don’t recall the manufacturer, but it could be Andersen. The window is single-pane glass with 16 panes, eight over eight, with ...

NOW THAT we have had a few chilly nights, people who have old wood windows have most likely been reminded of how inefficient they are at keeping out the cold. Windows are the biggest source of heat… ...

Q: Can low-E/argon gas be put in a window when the seal is broken, instead of replacing the entire window? A: Let’s start by clarifying the purpose of low-E and argon gas. Low-E (low-emissivi… ...

The original leaded windows of the historic Otis Hotel should’ve been history. Installed in 1911, the grid-patterned, pink-hued glass was uncovered by workers on the building’s restoration ...

Q. Our old house has a beautiful turret with curved window sashes but flat glass. Is it a big deal to replace flat glass with curved?