Attic Insulation Vs Double Pane Windows

And since windows make up only a tiny fraction of your building s exterior envelope.

Attic insulation vs double pane windows. A single pane window has an r value of 1. Replacing that with a pretty good efficiency new window will bring it up to an r 3 or r 4. Multi pane windows have other benefits as well including increased security uv blockage and noise reduction. If you do not have double pane windows you can use insulating film to compensate.

There s a handy chart on the chicago conservation corps blog. Cut the excess film with an utility knife. You ll be able to see through the glass as if it were one single pane but you ll get to enjoy the added insulation. You can find plastic insulating film from any hardware store.

That s not a huge increase in the insulating value of the window especially given the cost to replace. The attic is insulated but it looks like it s still the original insulation with no additional or replacements. There is a pocket of airspace in between the two pieces of glass which is dried so that the air space is airtight to eliminate the possibility of condensation and to maximize the insulation properties. Adding a storm window brings it to an r 2.

Double pane windows energy savings. So any normally functioning double pane windows won t show condensation or mold. A double pane glass is a term to describe the process of adhering two pieces of glass together to create a window or door. Apply it around the window frame and press it against the wood.

A double pane window is going to give you much better energy efficiency says george. I m a first time homeowner we have a 1964 multi split level about 28000sq with the original wood single pane windows and some old storm windows outside. As mentioned earlier double pane windows are more energy efficient than single pane windows.