For HVAC businesses

The AI front desk built for HVAC

When the AC dies on a 100° Sunday or the heat fails in a freeze, Calla answers, books the job into ServiceTitan, Housecall Pro, and Jobber, and dispatches the emergency — 24/7, so you never lose the call to a competitor.

24/7
answered — nights, weekends, storms, peak
$300–$9,800
what one booked hvac job is worth
<48h
to go live on your number
<700ms
to answer — it sounds human

HVAC owners answer 55–65% of calls in business hours and almost none after hours — exactly when the emergency, high-ticket calls come in.

Calla is the front desk that never misses a call — so you never miss a job. It qualifies the caller, checks your service area, quotes only from your approved pricing, triages true emergencies to your on-call tech, and writes the customer and job straight into ServiceTitan, Housecall Pro, and Jobber with full notes. Then it hands you a dashboard with the one number that matters: the revenue it put back in your pocket.