AI dispatch software for HVAC, plumbing and electrical: match the right tech to every call
Cardinal
What they did with AI
Cardinal, a residential HVAC, plumbing and electrical company serving Madison and Milwaukee, Wisconsin (founded 1984, part of Redwood Services since 2025), had dispatchers assigning calls by location and gut feel about which technicians were "good." It switched to Probook, which uses a real-time model to assign the right technician to each job. Probook reports that Cardinal's average ticket across trades rose more than 20% year over year in the first six months, and that the company added four acquisitions, 14 technicians and 13,000+ customers without growing the front office at the same pace; dispatchers now have time to debrief every tech after every job. Cardinal also added Probook's AI CSR for after-hours and overflow calls that used to hit voicemail, which the vendor says booked 850+ jobs and $715,000+ in revenue in its first four months at an 82% true booking rate. Figures are vendor-published and not independently audited.
Results above are as reported by the vendor or company in the source and haven't been independently audited by this site. Listing a tool is not an endorsement, and nobody paid for this entry.
Related use cases
Centralize multi-location dispatch with AI auto-assignment
Del-Air
Florida's Del-Air (eight locations, 220+ technicians) put AI on dispatch first. Within three months it centralized dispatch at one office and went from 22 dispatchers to 10, with about 90% of call assignments now made automatically. It then made AI the first touch on all inbound calls: in May the AI handled 16,000 calls and resolved 74% of them without a person.
Let an AI voice agent book and dispatch a Sunday-night furnace call
Riley Plumbing Heating & Air
Owner Lawrence (Brook) Riley in Northern Nevada put AI voice agents and automated dispatch on his phones in 2025. On the Sunday before Christmas, with nobody working, the AI agent answered a no-heat call, scheduled it for the next morning and dispatched a tech, who closed a $1,060 ticket. Riley says his call-booking rate went from well under 50% to consistently over 80%, and ServiceTitan reports 19% revenue growth and a 170% increase in average deal size.
Use AI for speed-to-lead and estimate follow-up, not just phones
HL Bowman
Pennsylvania HVAC and plumbing company HL Bowman had marketing generating more demand than the office could catch. It deployed four AI pieces together: 24/7 inbound call answering, instant replies to new web inquiries, outbound follow-up on missed calls and unconverted estimates, and automated scheduling. Avoca reports a 100% call answer rate, cost per conversion falling from $350 to $215, and 70% year-over-year revenue growth (which the vendor attributes to better capture and conversion across the funnel).