The short answer
For most Charlotte homes, twice a year — once in spring after pollen season and once in fall after the hardwoods drop — keeps glass consistently clear. Homes under heavy tree cover, near unpaved roads, or with lake or pool exposure often add a third visit. Storefronts and homes where the view really matters may go quarterly.
Why twice a year is the usual answer
Charlotte puts two hard loads on glass each year. Spring pollen coats every surface for weeks; a clean right after it clears resets the house. Then the mature oak and pine canopy drops sap, seed and leaf litter through fall, and a clean before winter means low, bright winter sun shows off the view instead of the film.
On that rhythm the glass never gets far enough gone to need aggressive work, which keeps each visit efficient.
What pushes it to three or four times
Heavy tree cover directly over the roofline. Proximity to a gravel or dirt road, or ongoing construction nearby. Lakefront or poolside glass that collects mineral spray. South- and west-facing walls that bake spotting on fast. A home office or a room where you sit and look out every day.
What lets you stretch it
Newer glass with good coatings, limited tree exposure, deep eaves that shelter the windows, and a household that isn't bothered by a light haze between visits can comfortably run once a year plus a touch-up.
Last reviewed September 2026. Written by the Aloe Cleaning team.