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Field service integrations compared
For HVAC, plumbing and electrical shops, the receptionist earns its keep when the job lands in your field service software with the customer's details. Here is what each vendor names on its own pages:
| AI receptionist | Field service software named | Getting urgent calls to a tech |
|---|---|---|
| Rosie | Jobber, Housecall Pro, Workiz, ServiceM8, Kickserv, JobNimbus, JobTread | Warm and live transfer from Scale ($149); waterfall transfers on Growth ($299) |
| NextPhone | ServiceTitan, Housecall Pro, Jobber, Workiz, ServiceM8, Kickserv, Service Fusion, Builder Prime, Towbook | Warm transfer; up to 10 destinations on Growth ($299) |
| Goodcall | Any tool with an API or MCP server; Google Sheets, HighLevel | Up to three escalation contacts; retries busy lines and tries the next contact |
| Upfirst | Zapier, Make, custom integrations | Warm handoff on every plan |
| Dialzara | Zapier, Make, webhooks | Blind and warm transfer on Business Elite ($349) |
| Synthflow | ServiceTitan, Jobber, Housecall Pro | Cold or warm transfer; enterprise contracts |
Upfirst, Rosie and Dialzara also publish dedicated HVAC, plumbing and electrician pages, and Rosie has pages for roofing, pest control and home services.
Emergency calls: getting a person on the line
A burst pipe or a dead furnace in January cannot wait for a callback. Write a rule for emergency keywords and check that your plan can act on it:
- Rosie Growth ($299) adds waterfall transfers that try several numbers until someone answers; Scale ($149) has warm and live transfers.
- Goodcall transfers to an escalation contact, retries busy lines and moves to the next contact, up to three.
- NextPhone Growth ($299) allows up to 10 transfer destinations; Scale adds custom routing by caller, staff, role or schedule.
- Upfirst includes warm handoffs on every plan, from $24.95.
Busy season: how each pricing model handles spikes
Call volume in the trades swings with the weather, so check what a busy month costs, not just an average one. Cost at different monthly volumes (3-minute calls; Goodcall assumes every call is a different customer):
| Software | 100 calls | 300 calls | 600 calls | 1,000 calls |
|---|---|---|---|---|
| NextPhone | $199 | $199 | $199 | $199 |
| Goodcall | $79 | $129 | $155 | $259 |
| Rosie | $149 | $149 | $299 | No published plan |
| Upfirst | $69.95 | $159.95 | $299 | $579 |
| Dialzara | $135 | $349 | $629 | $1,049 |
| My AI Front Desk | $124 | $274 | $499 | $799 |
Flat and per-customer pricing caps the damage: NextPhone stays at $199 whatever happens, and Goodcall counts a customer who calls back three times about the same job as one. Rosie publishes no overage rate, so a spike past your plan's minutes is an unknown cost. Goodcall describes its $79 Starter plan as "for a solo operator who misses calls while on the job".
After-hours and overflow setup
Most shops start by forwarding only the calls they miss. Upfirst lets you choose every call, overflow only or after hours; Goodcall notes that forwarding can cover unanswered calls only or every call, depending on your carrier. A typical setup:
- Office hours: your team answers; unanswered calls forward to the AI after a few rings.
- After hours: all calls go to the AI, which books routine visits and transfers emergencies to the on-call tech.
- Every call: a text summary goes to the dispatcher, and the job is created in your field service software if your plan connects to it.
AI or a live answering service for the trades
Live answering services price by the minute, which gets expensive in a busy season. At the same volumes (3-minute calls):
| Option | 100 calls (300 min) | 300 calls (900 min) | 600 calls (1,800 min) |
|---|---|---|---|
| NextPhone (AI, flat) | $199 | $199 | $199 |
| Goodcall (AI, per caller) | $79 | $129 | $155 |
| Rosie (AI, minutes) | $149 | $149 | $299 |
| PATLive (human) | $479 | $1,475 | $2,851 |
| Abby Connect (human) | $1,380 | No published plan | No published plan |
PATLive lists emergency dispatch on every plan, which some shops value for after-hours no-heat calls. An AI receptionist with a good transfer rule covers the same need for a fraction of the cost, provided someone is on call to answer.
Questions to ask before you buy
- Does it create the job in my field service software, or only send me a text? Check the integration on the plan you would buy (NextPhone's CRM updates start on Growth).
- How does it reach the on-call tech? Number of transfer destinations, retries and what happens if nobody answers.
- What does a heat-wave month cost? Ask for the overage rate in writing if it is not published (Rosie does not publish one).
- Can it quote my diagnostic or trip fee and book into my real availability?
- Does it speak Spanish? Rosie, Upfirst and NextPhone do; Goodcall is English only.
What to tell the AI
- Your service area by city or ZIP code, so out-of-area callers are told politely.
- Services you do and do not offer, and whether you charge a diagnostic or trip fee.
- Emergency keywords (no heat, no cooling, gas smell, flooding, sparking) and who to transfer them to.
- Booking windows and how far ahead customers can book.
- Safety instructions you want read out, such as leaving the house and calling the gas company when a caller smells gas.
Recording consent
Most of the products we compared record calls by default: Goodcall, Smith.ai and Dialzara each say every call is recorded and transcribed, and My AI Front Desk says every call is "recorded, transcribed, and summarized". Recording a phone call is governed by federal and state law, and the rules differ by state.
One-party consent (federal rule)
Federal law allows a recording when the person recording is a party to the call or "one of the parties to the communication has given prior consent" (18 U.S.C. 2511(2)(d)).
All-party consent (some states)
Some states require everyone on the call to agree. Florida allows interception only "when all of the parties to the communication have given prior consent" (Fla. Stat. 934.03(2)(d)), and Washington requires "the consent of all the participants" (RCW 9.73.030).
The practical step is the same everywhere: have the greeting say the call is answered by an AI assistant and may be recorded. Products such as Rosie and Dialzara list a custom greeting or custom AI voice; ask your vendor how to add the notice. This is general information, not legal advice; check your own state's statute if your callers are in an all-party state.
Frequently asked questions
What is the best AI receptionist for HVAC companies?
On published integrations, Rosie (Jobber, Housecall Pro, Workiz, ServiceM8) and NextPhone (ServiceTitan, Housecall Pro, Jobber and six more) fit field service best. For seasonal spikes, NextPhone's flat $199 and Goodcall's per-customer billing keep the bill predictable.
Which AI receptionist works with ServiceTitan?
NextPhone lists ServiceTitan on its integrations page (CRM updates start on its $299 Growth plan), and Synthflow lists it for enterprise customers. Rosie's help center does not list ServiceTitan.
How much does an AI answering service for plumbers cost?
At 300 calls a month: NextPhone $199, Goodcall $129, Rosie $149 and Upfirst $159.95, using each one's cheapest published plan.
Can an AI receptionist handle emergency calls?
It can recognize emergency keywords and transfer the call if your plan includes transfers. Upfirst includes warm handoffs on every plan; Rosie's start on Scale and its multi-number waterfall on Growth; Goodcall tries up to three contacts.
Will it work after hours only?
Yes. You can forward only after-hours or unanswered calls. Upfirst offers all calls, overflow only or after hours as settings.
Is an AI receptionist cheaper than an answering service for contractors?
Yes at published prices. At 300 calls a month (900 minutes), NextPhone is $199 and Goodcall $129, while PATLive's cheapest live plan for that volume is $1,475.
Does it book jobs into Jobber or Housecall Pro?
Rosie lists Jobber and Housecall Pro integrations in its help center; NextPhone lists both on its integrations page; Synthflow lists both for enterprise customers.