Agent+HVAC Answering Service & AI Voice Agents
Serving US & Canada · 24/7 AI Phone Answering for HVAC Businesses. Deploy intelligent HVAC agents in 2 weeks with predictable subscription pricing.
Professional AI voice and chat agents specifically designed for HVAC contractors. Handle emergency calls, schedule maintenance, and integrate with ServiceTitan, Jobber, and Housecall Pro. Flat-rate pricing.
Emergency Calls - 24/7 handling with immediate scheduling
CRM Integrations - ServiceTitan, Jobber, Housecall Pro
Maintenance Scheduling - Automated reminders & campaigns
Client Success
"Since deploying Agent+ HVAC, our missed calls during peak summer heatwaves dropped to zero. The agent books appointments directly into our CRM."
"The AI agent answers 24/7, understands complex technical questions about AC units, and perfectly screens out tire-kickers."
"Our closing rate increased by 40% because the AI agent only hands over pre-qualified, highly motivated buyers to our human sales team."
What an HVAC Answering Service Must Handle
An answering service for an HVAC company is not a message-taking service. It is the difference between booking the job and losing it to the next number on the caller’s list.
When a furnace dies in a January freeze or an AC quits during a July heatwave, the caller is not leaving a voicemail and waiting patiently — they are working down a list. A real HVAC answering service has to triage the genuinely dangerous calls (a gas smell, a refrigerant leak, water pooling around the furnace, no heat with an infant in the house) and route them to your on-call tech immediately, while booking everything else into the next open slot.
Then there is the steady background traffic that actually pays the bills: tune-ups, filter changes, seasonal inspections, membership renewals, and warranty callbacks. These are appointment-shaped, not emergency-shaped, and an AI agent books them straight into your calendar without a human ever touching the phone.
The hard part is seasonality. A five-truck shop that handles 30 calls a day in October can hit 90 on the first 20-degree morning. Overflow is not a staffing problem you can hire your way out of over a weekend — it is a capacity problem, and capacity is exactly what an AI answering service adds on demand. Most of that overflow lands after 6 p.m., which is precisely when a live human service gets expensive and a missed call gets likely. We broke down what those missed after-hours calls actually cost a shop in HVAC After-Hours Calls: The Revenue Math.
How the common call types map to what the agent does — and where the result lands in your system:
| Call type | What the AI does | Where it lands in your CRM |
|---|---|---|
| No-heat / no-cool emergency | Flags as priority, captures address + equipment, offers the next emergency slot | Priority dispatch ticket in ServiceTitan / Jobber |
| Gas smell / CO / water leak | Follows your guarded safety script, escalates to on-call immediately | Dispatch flag + SMS alert to the on-call tech |
| Tune-up / maintenance booking | Checks the live calendar, books the appointment, sends confirmation | Calendar event + CRM job record |
| Membership / renewal question | Pulls the customer record, answers plan questions, schedules the renewal | CRM note + renewal task |
| “Are you open?” / after-hours | Confirms hours, books the job, never sends the caller to voicemail | Standard lead record in your CRM |
How Agent+ Voice Works for HVAC
An HVAC AI receptionist only works if it understands the trade. Ours is built for it — not bolted onto a generic chatbot.
Agent+ is built in-house by Otherworlds AI on proprietary models tuned on real HVAC call patterns — not a thin wrapper around a general-purpose chatbot. That matters because HVAC calls are dense with trade specifics: equipment types, refrigerant versus gas, the difference between a capacitor and a compressor, and the vocabulary your customers actually reach for when something breaks at midnight.
On top of those models, retrieval runs against your own data — your service area, your pricing, your job history, your membership plans, and your emergency playbook. So when a caller asks whether you cover their zip code or what a tune-up costs, the answer comes from your business, not from a plausible-sounding guess.
Emergencies are handled differently. On a gas smell or a carbon-monoxide alarm, the agent never improvises — it follows the exact safety script you configure and escalates to your on-call tech. It is a guarded playbook, not a judgment call. And when a human genuinely is needed, the agent warm-transfers with a live transcript and a summary, so your technician picks up already knowing the situation instead of asking the caller to repeat it.
For shops already running ServiceTitan, we documented exactly how an AI voice agent plugs into emergency dispatch in ServiceTitan AI Voice Agent for Emergency Dispatch.
ServiceTitan, Jobber & Housecall Pro Integration
A booking that never reaches your dispatch board is not a booking. Agent+ writes back to the HVAC CRM you already run.
Most “AI receptionists” email you a structured message and call it an integration. That is not an integration — it is a to-do list you now type in yourself. Agent+ does real write-back: the appointment appears on your dispatch board before the caller hangs up, with the address, the equipment notes, and the priority flag already attached.
We integrate natively with ServiceTitan, Jobber, Housecall Pro, and FieldEdge, plus Google Calendar and Calendly for shops that schedule outside a full CRM. Running something proprietary or regional? We build custom API hookups to your system’s schema.
What each integration actually supports:
| Integration | Direct booking | Dispatch-flag write-back |
|---|---|---|
| ServiceTitan | Yes — native | Yes |
| Jobber | Yes — native | Yes |
| Housecall Pro | Yes — native | Yes |
| FieldEdge | Yes — native | Yes |
| Google Calendar / Calendly | Yes | Calendar event only |
| Custom API | Yes | Configurable to your schema |
Integration depth is the single biggest thing separating vendors on both price and capability. We compared the major HVAC answering services and their CRM support in HVAC Answering Service Costs & Vendors.
After-Hours & Overflow Coverage
Your most valuable calls arrive when nobody is at the desk. After-hours HVAC calls are where the flat-rate model earns its keep.
You choose how Agent+ sits on your line. In the first mode, it answers only the calls you miss — your team takes the phone during business hours, and the AI catches everything after-hours, on weekends, and during overflow. In the second mode, it takes 100% of inbound calls around the clock and hands your team a booked appointment instead of a ringing phone. Most shops start with the first and move to the second after their first peak season.
Nights, weekends, holidays, and the January freeze all cost the same thing: your flat monthly rate. That is the entire point. A per-minute answering service bills you more in exactly the weeks you need the phone answered most — a heatwave is a windfall for them and a surprise invoice for you. Agent+ does not meter your busiest days, and there is no per-minute billing growing precisely when 24/7 emergency call handling matters most.
The same after-hours logic runs across the trades. We wrote the plumbing version of this argument in The Best Answering Service for Plumbers in 2026 — the call patterns differ, but the missed-call math does not.
Built for HVAC Efficiency
Emergency calls, preventive maintenance, and multi‑location routing — ready on day one.
Emergency HVAC Services
24/7 emergency call handling with immediate technician dispatch and customer guidance.
Preventive Maintenance
Automated scheduling and reminders for routine HVAC maintenance and seasonal services.
Multi-Location HVAC
Unified AI system for HVAC businesses operating across multiple locations.
HVAC Sales & Upsells
AI-powered sales support for HVAC upgrades, replacements, and new installations.
Subscription Pricing
Predictable flat monthly rate for HVAC contractors. Simple, transparent, and scalable.
Starter
Unlimited calls, no setup fee
Professional
Unlimited calls, no setup fee
Premium Build
Unlimited calls + $899 implementation
HVAC Case Proof
These are public case studies from ServiceTitan’s AI Virtual Agent program. They are the closest documented evidence of what a domain-tuned HVAC voice agent actually delivers at scale — the architecture we build on.
Air One Heating — “Jenny”
A small locally owned HVAC and plumbing shop put ServiceTitan’s AI Virtual Agent on the overnight shift. When the office closes, Jenny answers, books straight onto the dispatch board, and escalates to the on-call human only when a call goes off-script.
Read the Air One Heating profileBill Joplin’s Air Conditioning — “Karen”
Over roughly three and a half months, ServiceTitan published Karen’s numbers: 1,361 calls handled, more than 90% ending in a booked job, and 72% completed with zero human intervention — the front desk now focuses on the calls that genuinely need a person.
Read the Bill Joplin’s profileWe flag the distinction honestly: these are ServiceTitan customer deployments, not Agent+ customers. We cite them because they are real, public, and verifiable — production proof that a domain-tuned HVAC voice agent works at scale on real dispatch boards.
Agent+ HVAC FAQ
Quick answers for HVAC contractors about our AI voice and chat agents.