By Frequency depends on your business type, size, and traffic:
| Business Type | Recommended Frequency | |
| Healthcare Facilities | Daily or multiple times per day | |
| Retail Stores | Daily or several times a week | |
| Offices (Small) | 2–3 times per week | |
| Offices (Large) | Daily or alternate days | |
| Schools | Daily or every other day | |
| Event Venues | Before and after each event |
