The factors that change the number
Rental companies base their recommendation on:
- ✓Number of guests — the biggest factor.
- ✓Length of the event — a four-hour party needs far fewer units than a full-day festival.
- ✓Alcohol and drinks — events with a bar need noticeably more units.
- ✓Food service — plan hand-wash stations near food areas.
- ✓Accessibility — include accessible units for guests with mobility needs.
- ✓Servicing — multi-day events can use fewer units if they're serviced each day.
Use the rental company's sizing chart
Most rental companies publish or share a sizing chart that matches guest count and event hours to a number of units. Ask for it when you compare quotes — it's the easiest way to check that each company is quoting the same thing.
When in doubt, round up. An extra unit costs little compared to the complaints from long lines.
Check local rules for public events
Municipalities and public health units in Canada may set their own requirements for public events, especially for accessible units and hand-washing. Check with your city's events or permits office before you finalize the order.
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