What's included
- Interior glass above reach
- Frames, mullions and upper sills
- Cobweb and insect removal
Not included
- Exterior glass
- Rope access or high-rise exterior work
- Film, tint or seal repair
Why it matters
Upper interior glass is rarely cleaned and shows streaks and webs in sunlight.
How AELC providers clean interior high windows
Every provider follows the AELC Source-Control Method: capture the dust, don't move it.
- IdentifyMeasure glass area and heights and protect floors and furniture.
- CaptureVacuum sills and frames.
- CleanClean glass with extension-pole or low-drip water-fed tools.
- VerifyCheck for streaks in daylight and photograph.
How often, and how it's priced
Recommended frequency
| Lobbies and showrooms | Every 3 to 6 months |
| Offices and churches | Every 6 to 12 months |
Pricing is local
Your local AELC Certified Provider sets the price for your space. What affects it:
- How many interior high windows you have
- Height and access
- Dust, grease or buildup
- One-time reset or recurring schedule
DIY tips between professional visits
- Avoid ammonia cleaners on tinted glass.
Safety: when work stops
- Lift work is Elevated Access.
See all red-light conditions and what AELC does not do.
Who needs it most
Interior High Window Cleaning: FAQ
Do you clean the outside of windows?
No. AELC providers clean the interior side of high glass. Exterior cleaning is done by window-cleaning contractors.
Last updated October 4, 2026. Reviewed by the AELC Method team. Local services are performed by independently owned AELC Certified Providers. Above Eye Level Cleaning.