During a July heat wave, a Dallas HVAC company received 100+ calls per day — more than any human team could handle. AI voice agents answered every call, triaged emergencies, and dispatched techs.

Results at a glance

Primary metric: 100+ calls/day handled
Secondary: $94,000 in 1 week

Background

Industry: HVAC
Location: Dallas, TX
Business size: 6 trucks

The challenge

The company used Vapi with custom dispatch logic. The AI prioritized vulnerable populations (elderly, infants, medical needs), filtered out tripped-breaker calls, and dispatched the closest tech to each emergency.

The solution

The company used Vapi with custom dispatch logic. The AI prioritized vulnerable populations (elderly, infants, medical needs), filtered out tripped-breaker calls, and dispatched the closest tech to each emergency.

Results

Revenue captured in 1 week: $94,000. AI agent cost for the month: $250. ROI: 376x for the surge period.

Key takeaways for your business

  • The highest-ROI use case for hvac is typically after-hours capture and missed-call recovery
  • Even small deployments (single location, few employees) can generate 6-figure returns
  • Payback periods under 2 weeks are common in service industries
  • The key is consistent configuration and weekly iteration for the first 90 days

For more industry-specific guidance, see our hvac playbook and ROI benchmarks by industry.