U.S. Department of Energy Energy Efficiency & Renewable Energy U.S. Department of Energy Energy Efficiency & Renewable Energy

Advantage of Inert Gas in Windows

Question: 

One of the advantages of a window assembly that uses an inert gas in the air gap is:

(a)Inert gases are not explosive.

(b)The inert gas acts as an insulator and reduces the heat transfer through the window.

(c)These windows can use single pane glazing.

(d)Windows with inert gases are low cost.