Ontario duct cleaner replaces costly after-hours answering with an AI assistant named Donna
Vacu-Man Furnace and Duct Cleaning · Hamilton, ON, Canada ·
What they did
After-hours answering services were draining the budget. 'Donna' handles late-night calls, gives pricing, confirms service areas and pre-qualifies customers. By design she doesn't book; humans follow up.
Reported results
- Owner says Donna has saved thousands of dollars and countless hours
- Callers often ask 'Was that a real person?'
Tools
Custom AI phone assistant (OpenAI API)
Cost
Not disclosed
Source
HPAC Magazine (written by the owner): https://www.hpacmag.com/features/ai-and-duct-cleaning/
Trade press, owner-written. Source checked 2026-10-20. Results are as reported by the source, not independently audited.
Try it yourself: starter prompt
Our suggested prompt for an AI assistant (ChatGPT, Claude, Grok or your phone-agent tool). It is not from the source.
You answer calls for an HVAC company between 6 PM and 8 AM. Ask what's happening, decide if it's an emergency using these rules: [list your emergency rules]. If it is, page the on-call tech with the address and issue. If not, offer the next two open morning slots and confirm by text.