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A technician in a charcoal uniform beside a new outdoor unit at a pale modern house, tablet in hand

HVAC

Every no‑heat and no‑cool call answered, and the job on your calendar

We build AI agents around how your HVAC company runs, and run them for you. They answer calls, texts and chats, and book the work.

Ella is our demo agent. Call her and hear how she answers. (480) 470-3346

Live in 7 days from your intake (texting follows carrier approval), or your first month is free.

By the numbersHome service calls

The calls you miss are the jobs you lose.

Every call gets answered.

Syntherly picks up the calls your team misses while they're on a job, and books the ones that need a visit.

66%

of inbound calls answered by in-house staff, against the 97% owners estimate.

Service Direct, 1,000 recorded calls from 94 US home service businesses.

A homeowner smiling at her phone at a bright kitchen counter.

Most callers are new customers.

It answers every one, takes down the address and books the job into your calendar.

55%

of answered inbound calls came from new potential customers.

Service Direct, call performance report across 42 home service categories.

An HVAC technician testing a new mini split while the homeowner looks on.

More work from the calls you already get.

No extra ad spend. Answering every inbound lead, by call, text or message, is the change, and it books the jobs that come with it.

54%

more new business a home service company could see by answering every inbound call.

Service Direct estimate, 2019 home service call performance report.

An HVAC technician checking a new outdoor unit, seen from above.

Homeowners are ready for it.

Most are fine with AI taking the first call. It answers their questions and books the visit for your techs.

53%

of homeowners are comfortable with AI handling initial inquiries.

Housecall Pro, 2025 survey of 1,040 homeowners.

A hand turning a smart thermostat.

Built for HVAC

Set up the way your company already works.

It talks with the customer, checks your calendar, books the job and updates your records, inside the rules you set. Every build is tested over hundreds of simulated calls before it goes live.

View demo
A homeowner on the phone in his backyard beside his air conditioner, calm and smiling.
01

Handles the hard calls.

Price pushback and upset customers are handled on the call. Only a real emergency goes to your on-call tech, with the address and the problem already taken.

02

Quotes your prices, and only yours.

Diagnostic fees, service calls and maintenance plans, quoted the way you set them. If it doesn't know, it takes a note for your team instead of guessing.

Our diagnostic visit is $89, and I can have a tech there Tuesday at 8 AM.
Example. The price comes from your list. A job that isn't on it becomes a note for your team.
03

Books only the work you want.

It offers the slots you have open, for the jobs you take.

04

Answers every call, or only the overflow.

It can answer every call right away, or only the ones your team can't get to. You choose by channel.

05

Every channel, one assistant.

Calls, texts, web chat and Facebook and Instagram messages all get answered, and each job lands on your calendar with its notes.

The options

How it compares with a hire, a service or a chatbot.

  • Yes
  • Partly
  • No
Syntherly
Hours covered
Calls, texts and chats, around the clock
Booking
Books into your calendar on the call
Knows your business
Set up with your prices, services and service area
Who runs it
We build it, run it and make changes when you ask
How you pay
One setup fee, then a monthly plan
A front-desk hire
Hours covered
While someone's on shift
Booking
When they're free
Knows your business
After training
Who runs it
You hire, train and manage
How you pay
Salary, benefits and turnover
An answering service
Hours covered
Around the clock
Booking
Often a message for a callback
Knows your business
Works from a script
Who runs it
The service
How you pay
Per-minute or per-call fees
A basic chatbot
Hours covered
Your website only
Booking
Collects contact details
Knows your business
Canned answers
Who runs it
You set it up yourself
How you pay
A monthly fee
  • Powers a multi-location franchise
  • Tested across industries
  • Upkeep included in your plan
  • 1st place, $5,000 pitch prize

Booked while you work.

Tell us your busy season and the calls you want to keep. We'll show you what we'd build for your HVAC company and what it costs.

Live in 7 days from your intake (texting follows carrier approval), or your first month is free.