5 Signs Your Windows Need a Professional Clean

Most people wait for obvious streaks before thinking about window cleaning. But streaks are actually one of the later signs, not the first one. Here's what tends to show up before that.

1. Your windows look "hazy" even right after rain

A light film that doesn't rinse off in the rain is usually mineral deposits or airborne residue building up on the glass over time — something a garden hose was never going to fix.

2. Screens have a visible layer of dust you can wipe with a finger

If you can drag a finger across the screen and see a clean line where you touched it, that same dust is passing through every time air moves through the screen — and it usually means the glass behind it needs attention too.

3. Window tracks have visible debris or dark buildup

Tracks collect dirt, dead insects, and grime that's easy to forget about because they're not at eye level. Left long enough, that buildup can actually make windows harder to open and close smoothly.

4. Sunlight through the glass looks dimmer than it used to

A thin film on glass scatters and blocks more light than most people expect. If a room feels less bright than it used to on a clear day, grimy glass is a common, overlooked cause.

5. It's been longer than a year since the last real cleaning

Even without any of the above signs, most homes benefit from a professional cleaning at least once a year — twice if you're near a lot of trees, a busy road, or coastal air. Regular cleaning also makes it easier to spot small problems (seal issues, screen tears, frame damage) before they become bigger ones.