Double pane windows have a layer of gas usually argon or air trapped between two panes of glass that acts as insulation to reduce heat loss through the window.
Argon gas windows condensation.
Just like the insulation in the walls of your home argon gas filled windows keep the heat in and the cold out.
You ve probably got a gas leak.
Argon gas windows are energy efficient due to the density of argon gas being heavier than oxygen.
Condensation risks if an argon filled window has even the smallest gaps in it the argon gas that escapes can be replaced by moisture laden air.
A critical temperature known as the dew point exists where these water droplets will be forced so close together that they merge into visible liquid in a process called condensation.
Old single pane windows only allow about 12 relative indoor humidity.
The main culprit of window condensation is excess humidity.
This can be a problem in double pane gas filled windows.
The condensation or fogging on the outside of a new window is quite common and perfectly normal.
Condensation forms when the warm air inside of your home comes into contact with the cold surface of your window.
When the argon in the windows has escaped and the windows bow in towards one another like this your thermally insulating windows no longer insulate well at all.
This awesome insulation can sometimes be physically seen by exterior condensation.
Window condensation is a simple phenomenon that occurs under the right conditions of humidity and temperature.
When an object is cooler than the air around it the water molecules in the air come together and stick to the surface forming a thin layer of water droplets.
Condensation forms in the center of the glass inside the house your window is trying to tell you.
By keeping the heat or cold air inside the house the windows provide a better insulator than windows with oxygen between the panes.
You ll notice this only when the window has lost a significant portion of the gas as condensation will build up inside the product without the argon gas.
Laboratory testing shows that modern double paned windows with low e glass and argon gas allow about 37 relative indoor humidity without condensation at 70 f inside 0 f outside.
Because the indoor air has a higher humidity level meaning its holding more moisture the water vapor condenses into a liquid on your window pane.
At glass rite we use high performance solarban 60 solarban 70 low e glass and argon gas in between the two panes to get the best insulation around.
In this way the gas between the double paned windows are less effected by convection currents and drafts.