Faayez MohammadFounder and CEO, Nexvix
Published October 20267 min read
- Average repair
- $350, range $100 to $3,000 (Angi)
- Calls not answered
- 27% in home services (Invoca call data, vendor-reported)
- Gave up after no answer
- 78% of consumers have (CallRail, 2025)
- Fix first
- Overflow and after-hours, before more advertising
Demand arrives all at once
Most of an HVAC contractor’s year is predictable. A few days are not. The first heatwave and the first hard freeze compress weeks of calls into hours, and a CSR team sized for an ordinary Tuesday cannot answer them.
Staffing for the peak means paying for capacity that sits idle most of the year. Staffing for the average means the peak goes to voicemail. That trade-off is exactly the problem an overflow system exists to solve: keep your CSRs on the calls they can take, and catch the rest.
What one missed call is worth
Angi puts the average HVAC repair at $350, with most jobs between $100 and $3,000; AC repairs alone commonly run $450 to $2,000. Invoca, a call-tracking vendor, reports from its own call data that 27% of calls to home services businesses go unanswered, a vendor figure rather than an industry census. And in CallRail’s 2025 consumer survey 78% of people said they had abandoned a business after an unanswered call.
A customer won in July is also the one who calls you for maintenance and, one day, a replacement. That value is real but hard to measure honestly, so leave it out of the first sums and count only the repair. If the case works on repairs alone, it works.
If the case works on the repair alone, it works.
Triage by urgency, not by queue order
The worst outcome on a peak day is not a missed routine call. It is an emergency waiting behind six routine ones. Write the triage down before any person or system answers a call:
- Safety first. A gas smell gets your approved safety instruction and goes to a person immediately, never booked as routine.
- Vulnerable occupant. No heat or no cooling with an elderly person, an infant or a medical need is the next slot, not the next day.
- Active damage. Water leaking from the unit or a frozen line is same-day.
- Routine. Everything else books into the first real slot in the right zone.
These rules are also the ones your CSRs should be using today. Writing them down is useful whether or not you automate anything.
The estimate nobody chased
Repair and replacement estimates given in peak season are often never followed up, because nobody has time. Harvard Business Review’s 2011 audit of 2,241 US companies found that 23% never responded to a web enquiry at all, and the average response among those that did was 42 hours.
An estimate is warmer than any web form: the homeowner has already let you in and seen a price. Chasing it on a schedule is the cheapest booking available to an HVAC company, and it is the one most often dropped.
Count last season before this one
- Abandoned calls by hour on your five busiest days last summer and winter
- Calls that arrived after hours, and how many were called back the next morning
- Estimates still open more than seven days after they were given
- Truck capacity on those same peak days
A worked example with hypothetical figures: 300 calls in a peak week, 20% abandoned, and half of those book once answered. That is 30 repairs, or about $10,500 in one week at Angi’s $350 average. Use your own ticket and your own abandonment rate.
One honest caveat. If the trucks were already full on those days, the leak is technicians, not calls, and answering more of them only creates a longer wait and worse reviews.
Sources. Angi, HVAC repair costs (2026 data) · Invoca (call-tracking vendor), missed calls in home services · CallRail, 2025 benchmark report (1.1M leads) and survey of 1,000 US consumers · Oldroyd, McElheran and Elkington, “The Short Life of Online Sales Leads”, Harvard Business Review, 2011