HVAC Call Answering AI — Books Service & Dispatches Emergencies 24/7

Why HVAC contractors lose so many calls

HVAC is a brutally call-driven business. Every missed call is a customer who's now calling your competitor. Industry data shows the typical HVAC contractor:

• Misses 25–40% of inbound calls during peak season
• Loses 80%+ of after-hours emergency calls to voicemail
• Spends $30–$80 in marketing per missed-call lead
• Earns $400+ on average per booked service ticket

For a mid-size HVAC company doing 500 inbound calls/month, that's 125–200 missed calls — $50,000–$80,000/month in lost service revenue.

What HVAC call answering AI actually does

Sera, Twig's AI receptionist for home services, handles HVAC calls end-to-end:

Emergency triage — Identifies no-heat (winter), no-cooling (heat waves), gas smell, water leaks, electrical issues. Dispatches on-call tech, gives customer an ETA, and books emergency repair window.

Maintenance and service booking — Books seasonal tune-ups, filter changes, scheduled maintenance directly into ServiceTitan / Housecall Pro / FieldEdge / Service Fusion.

Installation consultations — Captures the situation (system age, square footage, current system type) and books a consultation appointment with your install team.

Warranty and follow-up calls — Handles "is my system under warranty?" and post-service follow-up questions using your warranty database.

Pricing range questions — Answers "what's a service call fee?" and "what does a new furnace cost?" using your published pricing.

Missed-call text-back — Any call that doesn't connect gets a text-back within 30 seconds with a booking link.

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Recover thousands in missed-call revenue. See how Sera answers every HVAC/plumbing/electrical call, dispatches emergencies, and books service into ServiceTitan and Housecall Pro. Book a home services demo →

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How the emergency dispatch flow works

It's 11:47pm on the coldest night of the year. A homeowner's furnace just died.

1. Customer calls — Sera answers within 2 seconds
2. Sera asks "I can hear this is urgent — is the heat out completely, or are you noticing something else?"
3. Customer: "Yes, completely out. It's 18 degrees outside."
4. Sera: "I'm going to dispatch our on-call tech right now. Can I have your full address?"
5. Sera collects address, system type, any troubleshooting they've tried
6. Sera dispatches — sends full job details via SMS to on-call tech
7. Sera tells customer: "Mike is our on-call tech tonight. He's been notified and will call you within 10 minutes with an ETA. He typically arrives within 60–90 minutes for emergencies."
8. Sera logs the emergency job in ServiceTitan with all details

By the time you wake up, the emergency was resolved, the customer is happy, and there's a $1,200+ invoice in the system. Without AI, that call would have gone to voicemail and the customer would have called the next HVAC contractor in Google.

Maintenance scheduling flow

For non-urgent calls (scheduled tune-up, filter change, system inspection):

1. Sera identifies the service need
2. Asks customer's preferred timeframe (this week, next week, etc.)
3. Pulls live tech availability from ServiceTitan
4. Books the appointment for the best matching slot
5. Sends confirmation text with tech name and arrival window
6. Logs in CRM with customer history

Average booking call: 3 minutes. No hold time. Customer hangs up with confirmed appointment.

ROI math for HVAC contractors

For a typical mid-size HVAC company (~500 inbound calls/month):

Metric	Before AI	After AI
Calls answered live	60–75%	100%
After-hours emergencies captured	0–3/month	12–20/month
Avg missed appointment value	$400	$400
Monthly recovered service revenue	—	$5,000–$10,000
Avg emergency call value	$800	$800
Monthly recovered emergency revenue	—	$9,600–$16,000
AI cost	—	$400–$800/month
Net monthly benefit	—	$14,200–$25,200

Most HVAC contractors see 8–10x ROI on AI call answering within the first 90 days.

See how Sera handles HVAC call answering →