High Quality Vinyl Windows Are Getting Condensation Why

Condensation on new windows makes homeowners angry.

High quality vinyl windows are getting condensation why. For double or triple pane windows. If you think that you have condensation between the windows be sure to clean them off first. As the sun warms up the windows the condensation will evaporate. Most high quality double pane windows manufactured today have two perimeter seals an inner seal that resists water aging and corrosion and an outer seal that provides rigidity and strength.

Some windows may have just a single seal. If you live in an old house with equally old windows take note of where this window condensation appears. None of the other windows sweat. If you have this problem the humidity level in your home is probably a bit too high.

All of the others were replaced at the same time maybe 10 yrs ago. Their old windows didn t do this so the new ones must be defective. In fact the new windows are performing better than ever before. If one seal fails resulting in a broken window seal the other can at least for a while pick up the slack.

If there is moist air coming into the house around a particular window that moisture will collect on that window pane first. If the problem is only occurring on select windows it s possible you have a draft problem. But new windows often seal air leaks and a tighter house means elevated humidity. I am a new house homeowner with what i thought were high quality fiberglass triple pane windows and i too have condensation on the bottom of my windows when the outdoor air temperature is very cold below 0 f and the indoor air temperature about 60 f even though the indoor rh is usually less than 35 because i use an hrv.

New windows are not supposed to get wet inside. Every year we get calls from a customer or two asking why they have condensation on the outside of their brand new windows. Try cleaning the windows. Just like the dew evaporates off of your car and your lawn it will evaporate off your windows as well.

Condensation between window panes 1. High humidity isn t the only reason for interior condensation. All 3 of these windows were replaced 15 plus yrs ago. With double pane windows you should be able to sustain somewhere around 50 to 55 percent relative humidity indoors on a 40 degree night and not get condensation on your windows.

3 windows on the back of my house get condensation in the winter which is right now.