- For windows that tilt in, washing both sides is a cinch. Spray your cleaner (of choice) on the inside of the glass until it’s heavily misted but not drippy. With a microfiber cloth, wipe horizontally until dry. Tilt the window the other way and repeat on the outer surface, but this time wipe vertically (cleaning in opposite directions makes streaks obvious and easier to zap).
- For double-hung windows that don’t fold in, slide the bottom pane up a few inches so you can reach out, spray your cleaning product (of your choice) and wipe what you can reach. Then slide down the top panel to get it from above.
- For windows that don’t open at all? Clean the insides, spray with a cleaning product (of your choice) and wipe it with a microfiber cloth. Then rinse the outsides with a hose.