Never miss another service call.
Thermoi answers every call 24/7, books the job while the customer is still on the line, and routes emergencies straight to your on-call tech. No extra staff, no missed revenue.
15-minute live demo · No credit card · Hear real HVAC calls handled by AI
- Answers in 2 rings
- 24/7 coverage
- Live in 48 hours
- No contract
Incoming call
Answered by Thermoi AI
Hi, my AC just died and it's 95 degrees in here.
I'm sorry to hear that. I can get a tech out today. What's the service address?
412 West Palm Lane.
Got it. I have a 2 PM slot open. Want me to book it?
Appointment booked · 2:00 PM today
Works with the tools you already use
No rip and replace. Thermoi connects to the setup you already run.
Built for HVAC
Made for the calls your business actually gets
Thermoi is trained on HVAC, not a generic phone script. It knows the difference between a dead furnace and a filter question, and handles both the way you would.
Emergency no-heat / no-cool
A dead furnace at 2 AM, an AC out in a heat wave. Thermoi hears the urgency and routes it straight to your on-call tech.
Emergency call routingAfter-hours & weekends
Nights, Sundays, holidays. Every caller gets a real answer instead of a voicemail box and a callback that never comes.
24/7 AI phone systemNew appointment booking
Qualifies the job, checks your calendar, and books the slot while the customer is still on the line.
Appointment bookingPricing & quote questions
Answers the questions you get a hundred times a week, then captures the lead and sets up the estimate.
Lead qualificationExisting customers
Reschedules, confirms appointments, and takes detailed messages, with no hold music and nothing slipping through the cracks.
Meet Thermoi VoicePeak-season overflow
First heat wave of the year and every line is ringing? Thermoi answers all of them at once, never busy.
24/7 AI phone systemSee it in action
One call, fully handled
From the first ring to a booked job, Thermoi runs the whole conversation. There's no app for you to watch and no voicemail to call back.
Answers & qualifies
Picks up in two rings, every time.
My AC died and it's 95 degrees in here.
I can get a tech out today. What's the address?
412 West Palm Lane.
Books the job
On the spot, into your calendar.
2:00 PM today
AC repair · 412 West Palm Ln
Routes emergencies
Straight to your on-call tech.
Routed to Mike, on-call
Notified in 30 seconds
Every call logged and transcribed
Wake up to a clean record of every call: who rang, what they needed, and what the AI did about it.
How it works
Live in 48 hours, zero technical work
Keep your number and your tools. We handle the rest.
Connect your phone
Keep your existing business number. We connect to your current phone system in under 48 hours, with no technical work on your end.
AI answers 24/7
Our HVAC-trained AI picks up every call instantly, day or night, and routes real emergencies straight to your on-call tech.
Wake up to booked jobs
It qualifies leads, books appointments, and logs every call. You start the day with a full calendar instead of a full voicemail.
See the AI handle real HVAC calls in 15 minutes
Onboarding
Live on your line in 48 hours
Here is exactly what happens after you book a demo and decide to move forward. No engineers, no downtime, no number change.
Onboarding call
A Thermoi specialist walks through your call types, emergency criteria, and how you dispatch. About 20 minutes, and the only thing we need from you.
AI training & setup
We configure the AI with your business name, service area, scheduling rules, and escalation logic. Nothing for you to build or install.
Testing & sign-off
We run live test calls against your real scenarios so you can hear exactly how it handles them. You approve before anything goes live.
Live on your line
Your existing number starts routing to Thermoi. It answers every call, books jobs, and gets real emergencies to your on-call tech around the clock.
15-minute call. No obligation. Setup only starts if you decide to move forward.
ROI calculator
See what missed calls are costing you
Drag the sliders to match your shop. We'll estimate the revenue Thermoi could recover for you every month.
Your business
Your revenue potential
Free 15-min demo · Custom analysis · No obligation
Estimates assume a 95% AI answer rate and that about a third of newly captured calls become booked jobs. Real numbers vary by shop, so book a demo for an analysis on your actual calls.
Pricing
Simple, honest pricing
No contracts. No setup fees. A 90-day money-back guarantee, so the risk is on us.
Start risk-free
Most contractors start with a 2-week pilot
We put Thermoi on your real calls for two weeks. If it isn't booking jobs and catching emergencies, you walk away. There's no subscription and no setup fee.
- Live on your own line
- Full call transcripts
- Then roll into any plan
Or jump straight to a monthly plan
For small contractors ready to stop missing calls.
- 200 AI-handled calls / month
- 24/7 emergency dispatch
- Appointment booking
- Full call transcripts
- Email support
For growing contractors who need more coverage.
- 500 AI-handled calls / month
- Everything in Starter
- Custom AI training
- Dashboard analytics
- Priority phone support
For multi-location operators with complex needs.
- Unlimited calls
- Everything in Professional
- Dedicated account manager
- Multi-location support
- SLA guarantee
All plans include a 90-day money-back guarantee · Cancel anytime · No long-term contracts
FAQ
Questions, answered
Everything you need to know about AI phone answering for HVAC.
Thermoi answers your business calls 24/7 with AI trained specifically for HVAC. It understands emergency situations, qualifies leads by asking about equipment and urgency, books appointments directly into your calendar, and routes urgent calls to your on-call technician. It sounds natural and professional, like your best receptionist would.
Still have questions? Book a free demo and we'll answer everything live.
Book Your Free AI Demo
See how Thermoi Voice can transform your HVAC business in just 15 minutes
Schedule Your Demo Call
Choose a time that works for you, and we'll show you exactly how Thermoi Voice works for HVAC.
Book Your Slot
Choose any 15-minute slot that fits your schedule
Live AI Demo
Watch Thermoi Voice handle real HVAC emergency calls
Custom Analysis
Get a personalized ROI calculation for your business