AI voice agents built for HVAC & plumbing contractors

Every missed call is a job you just lost.

When a homeowner's AC dies in July, they call until someone picks up. FirstRing Calls gives your HVAC business an AI receptionist that answers every call, 24/7 — qualifies the lead, books the job, and never sends a customer to voicemail. We bring the calls AND answer them.

Call this number right now and talk to our AI receptionist yourself — see exactly how it handles a real HVAC call.

Answers 24/7/365 No receptionist to hire Built for your scripts
The problem

Your phone rings at 2 AM.
Who picks up?

A large share of home-services calls go unanswered — while your techs are on roofs, in attics, or off the clock. And a homeowner with no heat doesn't leave a voicemail. They call the next contractor on the list.

Every missed emergency call
$500–$900
in lost revenue — gone to a competitor who answered first.
01

Voicemail = lost job

Callers with a broken system hang up and dial the next HVAC company they find.

02

Peak season overload

When the heat wave hits, the phones explode — exactly when your team is busiest.

03

Nights & weekends

Emergencies don't keep business hours. Your front desk does.

04

Hiring isn't the fix

Another salary, sick days and turnover — and still nobody answering at midnight.

Live AI agent · Available right now

Don't take our word for it. Call it.

Try it before you book anything. Pretend you're a homeowner with a broken AC and hear how our AI receptionist handles the call — start to finish.

+1 (469) 898-0563
Try: “My AC stopped cooling” “Can someone come out tomorrow?” “Do you service my area?”
Who we serve

Built for both trades. Same agents, same results.

Our AI agents answer, qualify, and book jobs for two kinds of businesses:

HVAC: “My AC stopped cooling” HVAC: “Can you service a furnace?” Plumbing: “I have a leak under the sink” Plumbing: “My water heater is making noise”
Your AI team

Four agents. One job:
never lose a customer.

Each agent is custom-built around your business, your scripts and your service area — then managed for you.

AGENT 01

24/7 Voice Receptionist

Answers every call day or night, greets professionally, qualifies the lead, and books or routes it — no call goes to voicemail.

Key features
  • Available 24/7
  • Human-like voice
  • Lead qualification
  • Instant answering
  • Never misses after-hours or weekends
AGENT 02

Missed Call Follow-Up Agent

Instantly texts back any missed call and re-engages the caller — recovering leads that would have gone to a competitor.

Key features
  • Instant text-back
  • Lead recovery
  • Re-engages cold callers
  • Reduces lost revenue
  • Works around the clock
AGENT 03

Appointment Booking & Confirmation

Auto-schedules appointments straight into your calendar and sends confirmations and reminders — so customers actually show up.

Key features
  • Automated scheduling
  • Calendar sync
  • Confirmations + reminders
  • Fewer no-shows
  • Zero manual booking
AGENT 04

Maintenance Agreement Autopilot

Auto-reminds customers about tune-ups and follows up on renewals — turning one-time jobs into recurring revenue.

Key features
  • Tune-up reminders
  • Renewal follow-ups
  • Recurring revenue
  • Customer retention
  • Completely hands-free
More than an answering app

Most tools just pick up the phone. We build the whole system.

Most tools just pick up the phone. We build a complete system that captures the lead, books the job, and brings customers back.

Feature
A Basic Answering App
FirstRing Calls
Answers every call 24/7
Custom-built for YOUR business & scripts
Generic
Instantly texts back missed calls
Books & confirms appointments
Limited
Maintenance & renewal follow-up (recurring revenue)
Connects to your existing tools / CRM
Sometimes
A real person who builds & fine-tunes it
Call and test a live agent before you buy

You're not renting a robot — you're getting a done-for-you AI team, built and managed for your HVAC business.

Pricing

One missed emergency call can cost you $500–$900. Our plans cost less than a single lost job.

This isn't a basic call-answering subscription. It's a custom AI system that answers, follows up, books, and re-books your customers — done for you, start to finish. The same four agents work for both HVAC and plumbing businesses, so the plans below apply to either trade.

After-Hours + Weekend Receptionist
$250/mo
+ $400 one-time setup
Up to 150 talk minutes/mo
Get Started
24/7 Voice Receptionist
$600/mo
+ $800 one-time setup
Up to 500 talk minutes/mo
Get Started
Missed Call Follow-Up Agent
$250/mo
+ $450 one-time setup
Text-based · no call minutes
Get Started
Appointment Booking & Confirmation
$800/mo
+ $1,000 one-time setup
Up to 500 talk minutes/mo
Get Started
Maintenance Agreement Autopilot
$450/mo
+ $600 one-time setup
Up to 500 talk minutes/mo
Get Started

High Call Volume?

Running a large HVAC or plumbing operation with hundreds of calls a week? We'll build a custom plan sized to your volume, so you only pay for what fits your business.

Get Custom Quote
Want all four agents?

Included usage: voice plans include up to 500 talk minutes/mo, the After-Hours plan includes up to 150/mo, and the bundle includes up to 750/mo. Extra minutes are $0.60/min. Most small and mid-size HVAC and plumbing businesses stay well within their included minutes.

Not sure yet? Book a free audit and call our live demo agent first — see it work before you pay a cent.
FAQ

Common questions from contractors.

What does FirstRing Calls do?

We build AI voice agents for HVAC and plumbing contractors. The agents answer every call 24/7, qualify the caller, book appointments, and text back any missed call so no job goes to a competitor.

Do you work for plumbers as well as HVAC companies?

Yes. The same four agents work for both HVAC and plumbing businesses, and the plans are the same for either trade.

How much does it cost?

Individual agents start at $250 per month plus a one-time setup fee. The Bundle with the four main agents is $1,470 per month plus $1,995 one-time setup, which saves 30% compared with buying them separately. See the pricing section for every plan.

How many minutes are included?

Voice plans include up to 500 talk minutes per month. The After-Hours plan includes up to 150 minutes per month. The Bundle includes up to 750 minutes per month. Extra minutes are $0.60 each.

Can the AI agent book appointments?

Yes. The Appointment Booking and Confirmation agent schedules jobs directly into your calendar and sends confirmations and reminders so customers show up.

How do I try it before I buy?

Call +1 (469) 898-0563 right now to hear our live demo agent handle a sample HVAC call. You can also book a free audit to see how many calls your business is missing.

See how many calls you're missing.

Free 30-minute audit. We'll walk through how your calls are handled today and show you exactly where leads are slipping away.

Book My Free Audit