Question 1

How often should windows be professionally cleaned?

Accepted Answer

For residential properties, professional window cleaning is typically recommended 2-3 times per year for optimal results. Homes in areas with heavy pollution, coastal regions (salt exposure), near construction sites, or surrounded by trees (sap, pollen) may benefit from quarterly cleaning. Commercial properties and storefronts usually require more frequent cleaning—every 1-3 months—to maintain professional appearance. The interior side of windows can often be cleaned less frequently than exteriors if there are no smoking, cooking grease, or children's fingerprints to contend with.

Question 2

What's included in professional window cleaning services?

Accepted Answer

Professional window cleaning typically includes cleaning all glass surfaces with appropriate solutions, wiping down window frames and sills, removing and cleaning screens (when applicable), cleaning track areas, and sometimes treating windows with water-repellent products. Most services clean both interior and exterior surfaces, though these can often be booked separately. Some companies also include adjacent glass features like skylights, glass doors, and mirrors. Additional services that may incur extra fees include hard water stain removal, paint/adhesive removal, high or difficult-access windows, and removing/reinstalling complex window treatments.

Question 3

How much does professional window cleaning cost?

Accepted Answer

Professional window cleaning typically costs A$4-A$10 per standard window (both sides) or A$40-A$100 per hour. An average 3-bedroom house might cost A$80-A$200 total. Factors affecting price include: number and size of windows, accessibility (ground floor vs. requiring ladders or lifts), degree of dirt/staining, presence of features like grids/muntins that increase cleaning time, geographic location, and whether screens need cleaning. Many companies offer package pricing or discounts for regular service. French panes, bay windows, skylights, and windows requiring special access typically cost 50-100% more than standard windows.

Question 4

How do professionals clean high or difficult-to-reach windows?

Accepted Answer

For high or difficult-to-reach windows, professionals use various specialized equipment and techniques. For heights up to 40 feet, extension poles with water-fed brush systems deliver purified water to clean and rinse without leaving spots. Ladder work with traditional squeegee methods is used for precision cleaning of mid-height windows. For very tall buildings, professionals employ rope access (abseiling), lifts, scaffolding, or cherry pickers depending on building architecture and access points. Some companies now use water-powered lift systems or drones for inspection and cleaning of extremely challenging windows or glass structures.

Question 5

What weather conditions are best for window cleaning?

Accepted Answer

The ideal conditions for window cleaning are overcast, mild days without direct sunlight or high winds. Direct sunlight causes cleaning solutions to dry too quickly, leading to streaks, while strong winds can create safety hazards and affect solution application. Most professionals avoid cleaning during freezing temperatures (below 4°C/40°F) as solutions can freeze on contact, and heavy rain makes immediate results difficult to assess. Many window cleaners now use specialized solutions that work effectively across a wider range of conditions, allowing cleaning to occur in less-than-ideal weather if scheduling requires it.

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