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AmberMount crew member cleaning the windows above a garage with a water-fed pole
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Window Cleaning 5 min read

How Often Should You Clean Your Windows in the GTA?

Updated October 2026 · AmberMount House Detailing

Windows in the Greater Toronto Area take a beating: road salt spray from November to March, tree pollen in May, construction dust in the summer, and leaf debris and rain in the fall. Here is how often they actually need cleaning, what changes the answer, and what a professional clean includes.

The short answer: twice a year, spring and fall

For most GTA homes, two professional cleans a year keep the glass clear year-round. The spring clean removes the winter film of salt, grit and road spray. The fall clean clears the summer dust and pollen so the windows are clean for the holidays and through the dark months, when you notice every streak.

The best spring window is mid-April to mid-May, after the last freeze and before the pollen peaks. For the fall clean, wait until most of the leaves are down in late October or November.

Pro tip

Book the spring clean in March. April and May are the busiest weeks of the year for exterior cleaning, and the good time slots go first.

A clean window after a professional exterior wash

When you need it more often

  • Homes near major roads or the 400 series highways: exhaust film and brake dust build up on the outside of the glass within weeks.
  • Lots of mature trees: sap, pollen and bird droppings, especially on the side facing the trees.
  • New builds and construction nearby: fine dust settles on glass daily until the site is done.
  • Homes with pets and young kids: nose prints, fingerprints and condensation on the inside.
  • Sprinklers hitting the glass: hard water spots that etch the surface if they are left for a season.

If two or more of those apply, a quarterly clean is worth it. An exterior-only clean in between the two full cleans costs less because there is no interior work.

What a professional clean includes

AmberMount cleans exterior windows with water-fed poles and purified water. The purified water dries without spots, which is why the glass stays clear instead of streaking. Our poles reach up to 60 feet, so second and third storey windows get cleaned from the ground with no ladders against your siding. Interior windows are done by hand with lint-free microfibre and eco-friendly solution.

Window glass with the city skyline reflected after cleaning

What it costs

Window cleaning is priced online by the size of your home. Exterior windows run $212.50 for homes up to 1,800 sq ft, $269.17 for 1,801 to 2,800 sq ft, $340 for 2,801 to 3,500 sq ft, $410.83 for 3,501 to 4,500 sq ft and $481.66 for larger homes. Interior windows are a separate line priced the same way, from $226.67. All prices are before HST, and you see the exact figure before you confirm the booking. If your home is unusual, send us a photo and we will confirm the price before the visit.

Did you know?

Cleaning windows on a bright, hot afternoon is the fastest way to get streaks, because the solution dries before it can be squeegeed off. Professionals work around the sun, or use purified water that dries clean on its own.

Ready to Get Started?

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Streak-free glass, inside and out, cleaned with purified water and eco-friendly solutions. Serving the GTA.

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