HVAC busy season is two months. Don't lose calls in them.
First real heatwave of the year. Air conditioners that died sometime in February are getting their first run of the season, and a meaningful percentage of them aren't going to make it through the week. The phone at every HVAC shop in the metro starts ringing at 7am and doesn't stop until well after dinner. Wednesday is the worst day. By Friday the owner is sleeping four hours a night.
This is HVAC busy season. It happens twice a year if you do both heating and cooling. It's the two months that drive most of an annual P&L. It's also the two months when missed calls cost the most they will all year. The math against not catching every call in those weeks is brutal.
Why HVAC seasonality is different
Lots of trades have seasonal variation. HVAC's is uniquely concentrated.
A residential HVAC shop typically does 60-70% of its annual revenue in two windows of about 5-8 weeks each. The summer window opens with the first sustained 30+ degree week and stays open until the temperature breaks. The winter window opens with the first cold snap that pushes furnace failures and runs through the holidays. Outside those windows, the shop runs on planned maintenance, tune-ups, and the occasional shoulder-season install.
The implication: a call you miss in July isn't 1/12 of an annual revenue stream. It's 1/30 of the actual peak window where the conversion is happening. Multiply by the higher average ticket during busy season (more emergencies plus full-system replacement conversations on the table) and the dollars-per-missed-call in July is several times the dollars-per-missed-call in March.
The same math runs for winter. A furnace failure on a cold Tuesday is a $5,000-$8,000 replacement conversation. The customer is calling four other shops within an hour. Whoever picks up first usually does the install.
The phone math in peak weeks
A 4-truck HVAC shop in a hot metro can see daily inbound double or triple during a heatwave. Normal weeks might run 30-40 calls a day. Heatwave weeks run 60-120. The office staff who handle daytime phones aren't built for that volume. Calls drop to voicemail or roll over.
The conversion math during these weeks is also tighter. The homeowner with a dead AC at 7pm in July has zero patience. She's calling the next number in seconds, not minutes. The conversion cliff that's measurable but gentle in a slow week is a near-vertical drop in a busy week. The shop that returns her call at 8:30am tomorrow has already lost. The shop that texts her at 7:02pm is in the running.
The dollar value of this gap is concrete. An AC repair averages $400-$600. A new AC system installation runs $5,000-$8,000. Lose ten of those a week during the seven peak weeks of summer and you're looking at $40K-$60K in service revenue and potentially $50K+ in replacement-system revenue that walked. That's the gap a missed-call problem creates during the only weeks that pay your annual bills.