| Booking confirmation | Your Comfort Hub appointment on … | customer | an appointment is saved as scheduled with Notify Client on and a date today or later | none; an Add to calendar link |
| Appointment moved | Your Comfort Hub appointment has moved to … | customer | the date changes on a scheduled appointment with Notify Client on | none; an Update your calendar link |
| Appointment reminder | Reminder: your Comfort Hub appointment on … | customer | daily at 16:10, for every scheduled appointment tomorrow with Notify Client on and a customer email; sent once per appointment | none |
| Invoice | Invoice INV… from Comfort Hub | customer | the invoice gets its QuickBooks counterpart, and is not void, paid or already sent | the invoice PDF; every certificate the job earned, as on Certificates; a pay link |
| Invoice reminder | A reminder about invoice INV… from Comfort Hub | customer | daily at 10:15, for an emailed, unpaid, non-void invoice seven or more days past due; once per invoice | none; a pay link |
| Invoice overdue | Invoice INV… from Comfort Hub is overdue | customer | daily at 10:15, for the same invoice once it is twenty-one or more days past due; once per invoice | none; a pay link |
| Receipt | Payment received for INV… | customer | the engine records a payment on the invoice, whether or not it clears the balance; the body shows the amount paid and the balance left. See How payments work | the receipt PDF and the current invoice PDF |
| Quote | Your Comfort Hub quote for WO… | customer | a quote is saved as sent | none; an approve button that works for 30 days |
| Stocking order | Purchase order … from Comfort Hub | the supplier email on the order; replies go to the technician who saved it | a stocking order is saved with its PDF and has not been emailed | the order PDF, named after the order number |
| App login invite | Your Comfort Hub app login | technician | a technician is created active with an email, or an active technician’s email changes; skipped when the technician already has an app login | none; a set-password button that works once |