2043 Low E Glass - House Interior - Windows Skylights and Solariums -

Image Text: Cross section > the low-E coating may be applied to the inside of the double glazing or it may be a film suspended between the two panes of glass > glass > gases with lower thermal conductance than air (argon, krypton, carbon dioxide or Freon) can be placed between the panes to improve energy efficiency > heat from the sun is reflected back > heat from inside is reflected back into the house