Terms
| Term | Meaning |
|---|---|
| Above Eye Level Cleaning (AELC) | Cleaning every surface and object above normal eye level within safe reach |
| Supply diffuser | A ceiling or wall vent that delivers conditioned air |
| Return grille | A larger grille that pulls air back to the HVAC system |
| Smudging | Dark staining around diffusers caused by airborne particles |
| Troffer | A rectangular light fixture set into a drop ceiling |
| HVLS fan | High-volume low-speed fan with very long blades |
| Bar joist | A lightweight steel truss supporting a roof deck |
| FRP | Fiberglass reinforced plastic wall panels |
| Source capture | Removing dust at the point of disturbance with HEPA vacuums |
| HEPA | High-efficiency particulate air filtration |
| Reach class | AELC classification: Standard Reach, Extended Reach, Elevated Access |
| Initial reset | The first, more intensive cleaning of neglected overhead surfaces |
Last updated October 4, 2026. Prices are set by each independently owned local AELC Certified Provider.