HVAC calls come in waves: the first cold snap brings no-heat calls by the dozen, the first heat wave brings no-cool. In between, maintenance tune-ups and replacement estimates keep the schedule full. The right AI receptionist handles both the surge and the steady work.
Quick answer: if you only need calls answered inside Jobber, Jobber Receptionist is the simplest add-on. If you want a person on every call, Ruby. If you want the cheapest AI line to try, Dialzara. If you want the calls answered and the quotes, invoices and follow-ups done, so hours of office work become minutes of talking, Unmanually. The details for a HVAC company are below.
| Call | What a good AI receptionist does |
|---|---|
| No heat or no cooling | Ask the questions your techs ask first (thermostat, breaker, filter, error codes), flag the elderly or infants in the home if you want them prioritised, and book the soonest slot |
| Maintenance agreement tune-up | Book members into the spring and fall tune-up runs and remind the ones who haven't booked |
| Replacement estimate | Collect system age, home size and photos of the unit and nameplate by text, book the comfort consultation and send the quote after your OK |
| Financing or rebate question | Answer only from what you have written down, and pass anything else to you rather than guessing |
| Filter, part or warranty call | Look up the last visit, note the model and order the part from your supplier if you approve |
| "When is the tech coming?" | Give the window and a heads-up if the tech is late |
First cold snap and first heat wave: the phones ring hardest when your techs are busiest, and a caller with no heat will not wait for a callback. Spring and fall shoulder seasons: the time to book maintenance-agreement tune-ups and replacement consultations before the next rush. A good AI receptionist books the surge calls and fills the quiet weeks.
Across home services, only 52% of calls reach a person, and 45% of callers who do reach one book on that call (Invoca, July 2026). That gap is what an AI receptionist is for.
| What it is | Price (checked Oct 31, 2026) | Best for | |
|---|---|---|---|
| Unmanually | A 24/7 AI office manager you run by voice: answers and calls back, books, quotes, invoices, chases payments, orders from suppliers | Starter $49/mo, Growth $99/mo, Scale $399/mo; your own Twilio or Telnyx number | Owners who want the office work done, not only the phone answered |
| Jobber Receptionist | AI that answers calls and texts inside Jobber and books jobs into it | $29/mo add-on with 30 conversations, then $0.79 each; included on Jobber Plus | Shops that run everything in Jobber and want calls and texts covered |
| Goodcall | AI phone agent: answers, qualifies, books, transfers | Starter $79/mo (100 unique customers), Growth $129/mo (500), Scale $299/mo (2,000); minutes not metered | Steady call volume where many callers ring more than once |
| Dialzara | AI phone receptionist: answers, books, routes, transcribes voicemail | From $29/mo for 60 minutes up to $349/mo for 1,000 minutes; 7-day free trial | Trying an AI answering line at the lowest entry price |
| Ruby | Live human receptionists, 24/7, English and Spanish | $250/mo for 50 minutes up to $1,725/mo for 500 minutes | Owners who want a person on every call |
Prices from each vendor's own page, checked October 31, 2026; they change, so check before you buy. Unmanually is new and has no customer results yet, so we don't claim any.
Related: Unmanually for HVAC companies · all comparisons · vs Jobber AI Receptionist · vs Ruby · vs Goodcall · vs Dialzara · call recording consent by state · what missed calls cost (2026 study)
It can ask the first-pass questions you give it, such as checking the thermostat, breaker and filter, and book a visit when that doesn't solve it. It should not walk a homeowner through anything unsafe, and you decide which questions it asks.
Unmanually books tune-ups and can follow up with agreement customers who haven't booked, after you approve the message. Answering-only services usually take bookings only when the customer calls.
An AI line can take many calls at once; Jobber's help page and Dialzara's site both say theirs handle concurrent calls. Check how each one bills a surge: Unmanually's plans are flat, Jobber Receptionist charges $0.79 per conversation past 30, and Dialzara bills by the minute (checked October 31, 2026).
Yes, on Growth and Scale: Unmanually reads your Jobber visits, texts each tech their day and writes their replies back. See Unmanually for Jobber users.
An AI answering your phone is legal, but recording rules vary by state: some require every party's consent. See our call recording consent guide by state. Unmanually's AI says it is an AI at the start of a call.
Home service businesses answer only about half their calls (Invoca, July 2026), and owners spend about 11 to 16 hours/week on admin. Knowing what to do is the easy part; the money leaks out in the calls you can't take, the quotes nobody chases and the invoices that sit unpaid. Unmanually is a 24/7 AI office manager for your business that you run by voice from your phone:
Sources: Invoca, July 2026 (52% of home-service calls answered by a person, 60M+ calls); admin hours: Time etc / Censuswide 2023 and Amex SME Barometer 2026.
Unmanually is an AI office manager that works 24/7 and that you run by voice from your phone. Leave your mobile number and the AI office manager calls you right away, the same way it would call back one of your customers. That call is the demo: it answers, books you a 15-minute time with the founder and follows up.
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