Verify nighttime AC noise before replacing hardware.
The same theme appears across service tickets, guest chats and a review, making it more than a one-off report.
Run a nighttime inspection and record timing, location and equipment condition.
Only after verification, compare repair, vibration isolation and replacement.
Add noise checks and a fast room-move option while the issue is handled.
The system helps managers prioritise checks; budget, work and acceptance remain hotel and engineering decisions.
