The unit matters more than the address
Make, model, age and what was done last time decides the parts on the van and whether the call is one visit or two.

HVAC
HVAC is service calls, maintenance agreements and equipment that lives for fifteen years. The value is in knowing what is installed before the van leaves.

What the work actually involves
Make, model, age and what was done last time decides the parts on the van and whether the call is one visit or two.
The first hot week produces a month of calls. Dispatch has to cope with a queue, not a tidy calendar.
Recurring service is what carries the quiet months, and it only works if the intervals are tracked.
In ManePilot

Questions
Yes. The same structure that holds a vehicle record holds equipment, so service history stays with the unit.
Recurring visits handle maintenance intervals alongside one-off service calls.
Related
Set up your services once, and the schedule, booking page and invoices all work from them.