Double Pane Low E Windows

How does it heat the home.

Double pane low e windows.

To keep in the infrared light. As with moderate solar gain low e glass these windows are often referred to as spectrally selective low e glass due to their ability to reduce solar heat gain while retaining high visible transmittance. When first invented in the 80s low e windows only came in one variety for one purpose. The energy saving cost is minimal over that of a double pane window with low e coating.

The biggest drawback of low e windows is primarily cosmetic. While low e glass is generally cheaper than double glazing it will also reduce you winter heat gain leading to a need for either a bigger windows b more mechanical heating. Double pane windows can be clear tinted or have a low e coating. On the other hand soft coat low e windows must be in a double pane unit and are nearly invisible coatings which provide more visible light.

It requires a sheet of glass as a base material for its application. The term double pane refers to a window that has two pieces of glass while low e is a coating technique. Triple pane windows cost approximately a third more than a double pane window. This figure illustrates the characteristics of a typical double glazed window with a low solar gain low e glass with argon gas fill.

Soft coat windows have much better u value than hard coat surfaces and allow less uv transmittance by almost 75 over clear glass. The windows are usually single pane but can be installed double pane at a higher cost per window. No matter what type of low e windows you get they will perform better. However low e coating is not a standalone material.

Low e windows are covered in a film like coating that traps warmth prevents drafts and reflects sunlight in the summer to aid in cooling the home. Double glazed low solar gain low e glass.