While cracked window panes are a clear indicator that your windows need replacing, not all danger signs are so obvious.
When your windows are worn, damaged, or in need of upgrading, they cause the heating and cooling systems of your home to go the extra mile.
Here are some unexpected signs that it’s time to replace your window panes, according to two experts.

1. Seal is broken
A broken seal can be a sign that it’s time to repair or replace your window panes, according to David Flax, vice president of operations for Window Genie, a Neighborly company.
“You’ll see humidity and fog appearing on or between the panels,” he says of the main symptom.
Ultimately, this means your electricity bill is likely to go up as your system tries to stabilize the interior environment.
2. Operational problems
If your windows don’t open or close the way they used to, … Read More



