AAA

ATP surface testing is now a standard component of AAA’s hotel inspection process. Every property with a AAA Diamond designation undergoes unannounced ATP testing, ensuring that all hotels—from AAA Approved through Five Diamond—are evaluated using the same scientific method to verify the effectiveness of their housekeeping practices. Because ATP levels directly correlate with surface cleanliness, this consistent testing approach provides an objective benchmark across all hotel tiers. As a result, travelers can trust that any AAA Diamond‑designated property meets scientifically validated cleanliness standards rather than relying solely on visual inspection.