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Thermoi Technologies
THERMOIAI phone answering for HVAC
Always Available

24/7 AI Phone System for HVAC Contractors

Your HVAC business doesn't stop at 5 PM, and neither should your phone service. Capture every call, every lead, every emergency with AI that works around the clock.

52%
Rate after-hours AI answering as superior service (CallRail 2025, n=1,000)
24%
After-hours callers are likelier to book (CallRail 2025)
34%
Of calls arrive after hours (CallRail 2025)
39%
Of phone leads never reach a person (Invoca 2025)

What Happens When You Miss After-Hours Calls?

1

Homeowner's furnace dies at 10 PM

Temperature is dropping, family is worried

2

They call your number, get voicemail

"Please leave a message and we'll call you back..."

3

They immediately call your competitor

Who answers on the first ring...

$

You lose a $500+ emergency service call

And possibly a lifetime customer worth $10,000+

With Thermoi's 24/7 AI System

AI answers instead of the voicemail box
Says it is an AI assistant, up front
Takes the name, number, address and the problem
Books the service call on the line
Summary and full transcript back to you by email or Slack
Customer feels heard and helped

You capture the $500 call AND create a loyal customer

Enterprise-Grade Phone System, HVAC-Contractor Pricing

Get the same 24/7 availability as large national chains without the massive overhead.

True 24/7 Coverage

Our AI never sleeps, takes breaks, or calls in sick. Every call is answered, whether it's 2 PM or 2 AM.

Multi-Line Capacity

Handle unlimited simultaneous calls. No more busy signals during peak summer AC season or winter heating emergencies.

No Hold Queue

No hold music, no "please wait" messages. Callers get straight through to an AI that sounds professional and knowledgeable.

Enterprise Reliability

Hosted infrastructure with no hardware in your office, so the line keeps answering when your power or your internet does not.

Call Recording & Logging

Every call is recorded and transcribed. Review conversations, track quality, and never lose important details.

Call Analytics

See call volumes, peak times, common questions, and booking rates. Make data-driven decisions for your HVAC business.

Traditional Receptionist vs. Thermoi AI

Feature
Traditional
Thermoi AI
Availability
8-10 hours/day
24/7/365
Hold Time
Queue or voicemail
No queue
Simultaneous Calls
1-3 lines
Unlimited
After-Hours
Voicemail
Full service
Monthly Cost
$3,000-5,000
From $299/mo
Getting Started
Weeks/months of hiring
One setup call

Stop Missing Calls. Start Capturing Revenue.

See how a 24/7 AI phone system can transform your HVAC business in a free 15-minute demo.

✓ No setup fees   ✓ One setup call   ✓ 90-day money back guarantee

Keep exploring

After-Hours Emergency Calls

The 2 AM no-heat call gets answered, not sent to voicemail.

Appointment Booking

Agree a time on the call, recorded with the address.

Lead Qualification

Every caller asked what they need, where they are and how soon.

HVAC AI by City

See how it works in your metro.

Compare Alternatives

Thermoi vs. answering services and rivals.

Pricing

Plans from $299/mo, no contracts.