AI receptionist
Thermoi vs Rosie
Rosie is a low-cost AI receptionist for small businesses across many industries. Thermoi is built specifically for HVAC, with emergency triage and on-call dispatch that a general-purpose tool is not designed to handle.
Thermoi vs Rosie, side by side
| Thermoi | Rosie | |
|---|---|---|
| Primary purpose | AI phone answering built for HVAC | General-purpose AI receptionist |
| Built for HVAC | Yes, HVAC-trained | No, industry-agnostic |
| Answers every call 24/7 | Yes | Yes |
| Books the appointment on the call | Yes, into your calendar | Basic booking, often via integrations |
| Emergency dispatch to on-call tech | Yes, by SMS in seconds | No HVAC emergency triage |
| Works alongside your current tools | Yes | Some integrations |
| Pricing | From $299/mo, flat | Low entry point, around $49/mo |
Choose Thermoi if…
HVAC contractors who need emergency call handling and dispatch, not just message capture.
Choose Rosie if…
Very small shops on a tight budget that want basic call answering across any industry.
Comparisons reflect general positioning and can change. Check each vendor's current plans before deciding.
Thermoi vs Rosie: FAQs
Rosie is a low-cost AI receptionist for small businesses across many industries. Thermoi is built specifically for HVAC, with emergency triage and on-call dispatch that a general-purpose tool is not designed to handle.
For HVAC contractors who want every call answered, qualified, and booked, with emergencies dispatched to an on-call tech, Thermoi is purpose-built for that. Very small shops on a tight budget that want basic call answering across any industry. If that is you, Rosie may be the better fit.
In many cases, yes. Thermoi can answer overflow and after-hours calls even if you keep Rosie for other parts of your workflow.
Thermoi starts at $299/month with no setup fees, no contracts, and a 90-day money-back guarantee. Most HVAC businesses go live within 48 hours.
See Thermoi on your real HVAC calls
Book a free 15-minute demo and watch how Thermoi answers, books, and dispatches, then compare it to Rosie for yourself.
✓ HVAC-trained AI ✓ Live in 48 hours ✓ 90-day guarantee