Never miss anothercall
OnCall is the AI receptionist for HVAC teams. It answers every call 24/7, books the job on your calendar, and texts you the details — so a missed call never becomes a missed customer.
See it in action
Answer a real call
Tap the button, then scroll — watch a missed call become a booked job, right on the phone. Scroll back to the top to reset and try it again.
Trusted by home-services teams
How it works
Live before your next call
No app for your customers. No workflow to relearn. OnCall sits behind your phone number and does the answering — most teams are live the same day.
Forward your number
Keep your existing business line and forward missed or after-hours calls to OnCall in about two minutes.
- Keep your current business number
- 2-minute setup, no new hardware
- Send every call, or just the overflow
AI answers & books
OnCall greets callers in your company's name, qualifies the job, and books it straight onto your calendar.
- Natural voice in your business's name
- Qualifies the job and captures details
- Books into Google Calendar, Jobber & more
You get the details
Every call comes back as a text and email summary with a full transcript — and emergencies get escalated instantly.
- Instant text + email summary
- Full transcript of every call
- Emergencies escalated to your on-call tech
A full front desk, for a fraction of the cost
Everything a great receptionist does — answering, booking, following up — without sick days, training, or a missed call after 5pm.
24/7 call answering
Nights, weekends, holidays, or when you're on a roof — OnCall picks up on the second ring, every time.
Books jobs automatically
Connects to Google Calendar, Jobber, Housecall Pro and ServiceTitan to schedule into open slots in real time.
Instant text & email summaries
Every call returns a clean summary with caller details, job type, and a full transcript — pushed to your phone.
Bilingual, on-brand voice
Answers in English and Spanish using a greeting, tone, and FAQs you control — it sounds like your front desk.
Spam & robocall filtering
Screens out spam and telemarketers so you only get summaries for real customers and real jobs.
Call insights dashboard
See call volume, booking rate, missed-call recovery, and revenue captured — proof it's paying for itself.
The research
Why answering every call wins HVAC jobs
We didn't make this up. Independent research on response speed and AI in customer service backs up what every contractor already knows: the shop that picks up, wins.
Built for HVAC
OnCall books every
Heating, cooling, maintenance, or a 2am no-cool emergency — OnCall answers in your company's name and books the work while you're on the job.
Never lose another call to voicemail
Your AI receptionist answers 24/7, books the job, and texts you the lead — so the calls you used to miss become revenue. Pick the coverage that fits your shop.
Stop losing calls the moment you close.
300 call-minutes/mo · then $1/min
Best for: shops that want to stop sending after-hours callers to voicemail.
- After-hours call answering
- Books appointments straight to your calendar
- Captures every caller's name, number, address & issue
- Warm, natural, human-sounding voice
- Monthly performance reports
Never miss a call again — day or night.
600 call-minutes/mo · then $1/min
Best for: busy shops that want every single call captured, around the clock.
- Everything in Essential, plus:
- 24/7 backup answering — AI picks up whenever a call can't be answered: voicemail, busy lines, or any after-hours call
- Real-time emergency & hot-lead alerts to your phone
- Appointment reminder texts sent to customers
Your whole front desk, handled — with the data to prove it.
1,200 call-minutes/mo · then $1/min
Best for: growing or multi-location operations that want full coverage and full visibility.
- Everything in Professional, plus:
- Multi-location & multi-number support
- Bilingual English & Spanish answering
- Call recordings & full transcripts
Every plan pays for itself with a single captured job. No long-term contract — cancel anytime.
Most shops start with Professional for round-the-clock coverage.
Questions, answered
OnCall sounds natural and answers in your business's name. It's transparent if asked, but most callers simply feel like they reached a helpful, knowledgeable front desk that booked their job quickly.
Yes. OnCall connects with Google Calendar, Jobber, Housecall Pro and ServiceTitan to book directly into your open slots. If you use something else, our team will set up a workflow that fits.
Most teams are live the same day. You forward your existing number to OnCall, we configure your greeting, services, and booking rules together, and you're answering every call within a couple of hours.
You choose. Many shops send only missed, after-hours, or overflow calls to OnCall and keep answering the rest themselves. Others let OnCall handle 100% of inbound. It's your call, literally.
Yes. You define what counts as an emergency (no heat, gas smell, flooding) and OnCall can escalate by texting or calling your on-call tech immediately, while still capturing the customer's details.
No. Every plan starts with a 14-day free trial and is month-to-month after that. If OnCall isn't booking you more jobs, you can cancel anytime.
Book a demo
See OnCall answer your phones
Tell us about your shop and we'll show you exactly how OnCall handles your calls — and how many jobs you're currently losing to voicemail.
- See OnCall answer a live call on your own services
- Walk through booking into your scheduling tool
- No pressure, no contract — just a 20-minute look