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ServiceTitan puts 10.7% to 12.1% of trades calls outside business hours, nearly 1 in 8. This calculator applies a share you choose to a monthly call count, then a booking rate and a ticket. The default share is the 11.4% midpoint, labeled as a midpoint. The booking rate and ticket start from the hvac figures used on the missed-call page.
Assumption 60 calls a week, the example on the missed-call calculator, times 4.33 weeks, rounded to 260.
Assumption Midpoint of ServiceTitan's 10.7% to 12.1% range. Source
ServiceTitan, June 2022 data: HVAC call booking rate 38%. Assumption: a missed caller would have booked at that rate if the call had been answered. Source
ServiceTitan booking-rate report: small shops 9% after 6 pm (26% in the morning); large shops 21% after 6 pm (61% in the morning). Call Trends: shops with 10 or fewer technicians book 30% of off-hours calls; shops with more than 50 book 58%. The menu fills the field. Those are different cuts of the data.
ServiceGrid, 2026: HVAC service repair average ticket $385 (range $275 to $525). Use your own number. Angi says an after-hours HVAC tech may charge an extra $40 to $80 per hour. That premium is not in the default ticket. Add it if it matches your jobs.
Assumption Zero counts every after-hours call as unanswered. Type the share you already pick up.
$4,336 per month
$52,036 per year
After-hours calls: 29.64 per month
Unanswered after hours: 29.64
Jobs at risk: 11.263 per month
ServiceTitan saw lower booking rates after 6 pm (small shops 26% in the morning and 9% after 6 pm; large shops 61% and 21%). The default result uses the overall booking rate, so treat it as directional. Booking-rate report and Call Trends.
Angi says an after-hours HVAC tech may charge an extra $40 to $80 per hour. That premium is not in the default ticket. Add it if it matches your jobs.
Goldenhour Solutions LLC, Phoenix, AZ. Sunny is an AI receptionist, not a person.
On the Full Package ($249 a month, $1,997 one-time setup), an AI voice answers calls after hours, on weekends, and while you are on the other line. It takes messages, answers common questions, and collects a preferred time. You confirm the appointment. Callers are talking to an AI. Google Calendar is not synced. A missed call does not send an automatic text.
Done for you, live within a week. No contract. Cancel anytime.
Try it: call (520) 602-8435 to talk to the AI. That call does not send a text.
ServiceTitan's Call Trends guide says 10.7% to 12.1% of trades calls come in outside business hours. 11.4% is the midpoint of that range. Using the midpoint is an assumption. Type either end if you prefer.
ServiceTitan's booking-rate report saw lower booking after 6 pm. Small shops booked 26% in the morning and 9% after 6 pm. Large shops booked 61% in the morning and 21% after 6 pm. The default uses the overall trade booking rate, not the after-6 pm rate. A menu on this page can fill in the after-6 pm rates.
Angi says an after-hours HVAC tech may charge an extra $40 to $80 per hour. That premium is not in the default ticket. Add it if it matches your jobs.
On the Full Package, an AI voice answers after hours, on weekends, and while you are on the other line. It takes messages, answers common questions, and collects a preferred time. You confirm the appointment. Callers are talking to an AI. Google Calendar is not synced. A missed call does not send an automatic text.