How Often Should Home Windows Be Professionally Cleaned?

The Two-Season Logic

Window timing follows Michigan's rhythm. Spring service lands after the pollen release — cleaning mid-drop repaints the glass yellow within days — and resets the view for the open-window months. Fall service is the underrated one: those panes are about to become your only version of outside for five closed months, and autumn's clean carries through winter untouched. Homes that pick one service pick fall more often than they'd guess.

What Accelerates Your Schedule

Sprinklers lead the list — irrigation overspray bakes mineral spotting onto glass daily all season, and untreated it becomes the permanent etching our etching guide warns about. Corridor homes collect traffic film that hazes glass between cleanings. Lakeside and canal properties add spray minerals and insect traffic. And construction nearby coats everything in dust that scratches if wiped dry. Any of these moves a home toward quarterly-relevant territory, at least on the affected elevations.

Screens and Tracks Are Half the Job

Glass-only service misses where the gray actually lives: screens hold the film that dims rooms even through clean panes, and tracks pack with the grit that grinds sashes. Complete service — glass, screens, sills, tracks — is what makes the light change noticeable, which is the point of paying for it.

Pairing Logic

Windows after a house wash is the natural order — the wash removes the bulk film, the window service details the glass to streak-free, and the combined visit prices better than either alone. It's the finishing pass that makes the whole exterior read finished, especially on walkable streets where glass gets seen at handshake distance.

The Bottom Line

Twice yearly — post-pollen and pre-winter — accelerated by sprinklers, corridors, and water. Professional service includes the screens and tracks that DIY skips, and the fall slot is the sleeper pick that pays off all winter.