How to approach window cleaning

Start by assessing the windows: outward-opening, fixed, double-glazed, or historic glass will affect the method. Remove loose dust and cobwebs with a brush or dry microfiber cloth before using any liquid so dirt doesn’t smear. Work from the top down, cleaning frames and tracks first. Use a bucket and a two-bucket system (one for solution, one for rinse) if you’re cleaning many panes to avoid reintroducing dirt. For exterior panes on multi-story buildings, use appropriate ladders or extension poles and consider professional services for hard-to-reach areas.

What to know about glass types

Different glass — single-pane, tempered, laminated, low-E, or stained — has different sensitivities. Low-emissivity coatings can be damaged by abrasive cleaners or scrubbing, while stained or antique glass may have fragile lead or sealants. Check manufacturer guidance for double-glazed units to avoid excessive pressure on seals. For most modern glass, a mild cleaning solution is sufficient, but verify on a small hidden area if unsure. Avoid products with ammonia on tinted or coated glass, and be cautious with high-pressure washers which can force water into frames or damage seals.

How to use a squeegee effectively

A squeegee is the primary tool for streak-free results. Start with a wet pass: apply cleaning solution with a sponge or scrubber, then place the squeegee at the top corner and pull in a straight line across the glass. Wipe the blade with a lint-free cloth after each pass to prevent streaks. Overlap each stroke slightly to avoid banding. For large panes, use a two-person technique or an extension pole squeegee for safety. Maintain your squeegee by replacing worn rubber blades; a nicked edge will cause lines on the glass.

Why use a microfiber cloth

Microfiber cloths trap dirt and evaporate quickly, reducing streaks compared with cotton towels. Use a clean microfiber cloth to wipe squeegee edges, remove drips from frames, and perform a final buff on small spots. Keep several cloths on hand: one for frames and grime, one for drying, and one for final polishing. Wash microfiber separately without fabric softener, which can clog fibers and reduce effectiveness. For delicate glass, a high-quality, lint-free microfiber minimizes abrasion and surface marking.

Which cleaning solution to choose

A simple mix of mild dish soap and warm water works well for most window cleaning tasks; a few drops per liter of water creates sufficient cleaning power without residue. For tougher grime, add a splash of white vinegar to cut mineral deposits and fingerprints. Avoid harsh solvents or ammonia on coated or tinted glass. Commercial streak-free window cleaning solutions are formulated to rinse clean but always check compatibility with your glass. For exterior windows with heavy deposits, a soft scrub brush and a stronger cleaning product designed for exterior use may be needed, followed by thorough rinsing.

Safety, frequency, and local services

Plan window cleaning when temperatures are moderate; cleaning in direct sun can cause rapid drying and streaks. For ground-floor or easily accessible windows, many homeowners clean seasonally (spring and fall). High-rise or hard-to-access glass may require professional teams with harnesses, scaffolding, or water-fed poles. When considering local services in your area, compare credentials, insurance, and reviews, and ask about methods and solutions used. For DIY jobs, prioritize ladder safety: maintain three points of contact, position ladders on firm ground, and never lean beyond your center of gravity. Use gloves and eye protection when working with concentrated cleaning solutions or removing caked-on debris.

Conclusion

Window cleaning combines simple chemistry and practical technique: choosing an appropriate cleaning solution for your glass, using a well-maintained squeegee and clean microfiber cloths, and following safe access practices leads to clearer, longer-lasting results. Regular maintenance reduces build-up and the need for intensive cleaning, while understanding glass types and tool care helps preserve window integrity and appearance.