We placed 5 test calls per business at randomized off-hours times across 50 HVAC, dental, salon, and real estate operators in Tampa, Denver, and Phoenix over 30 days. The median operator missed 38% of inbound calls. The average HVAC business is bleeding $19,400 in lost monthly revenue. The full methodology, the raw pickup-rate distribution, and a per-vertical loss…
Service businesses lose money the same way every month — and almost none of them know exactly how much. This is the first transparently-methodologied attempt at a missed-call cost index for U.S. TrainYourAgent placed 5 test calls per business across 50 real service operators in Tampa, Denver, and Phoenix over 30 days. The median operator missed 38% of inbound calls. For the average HVAC business, that math works out to $19,400 in lost monthly revenue, every month, forever — and the bleed gets worse in shoulder season.
For the average HVAC business, that math works out to $19,400 in lost monthly revenue, every month, forever — and the bleed gets worse in shoulder season. The full per-vertical loss table, the methodology, and the source citations are below. The data is published openly so journalists and SMB operators can reproduce or contest the result. Methodology (transparent and reproducible) We selected 50 service businesses from public Google Business Profile listings across three metros (Tampa, FL; Denver, CO; Phoenix, AZ) with the following distribution: 20 HVAC contractors (residential, 8–40 trucks) 12 general dental practices (1–4 chairs) 10 hair / nail / med-spa salons (1–6 stations) 8 single-agent residential real estate offices Selection criteria: listed business phone in Google Business Profile, ≥ 25 Google reviews, listed business hours posted, operating in 2026. Businesses were not informed of the study to avoid Hawthorne-effect bias.
We placed 5 test calls per business at randomized off-hours times across 50 HVAC, dental, salon, and real estate operators in Tampa, Denver, and Phoenix over 30 days. The median operator missed 38% of inbound calls. The average HVAC business is bleeding $19,400 in lost monthly revenue. The full methodology, the raw pickup-rate distribution, and a per-vertical loss table — published in full. It is filed under AI Voice because that is where operators looking for this problem actually start, and it is written from production work rather than from a content calendar.