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FieldLine

The phone line for home-services operators. Numbers, calls, recordings, leads, and crew activity — one calm workspace.

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© 2026 FieldLine. Built for the trades.v0.1
For HVAC

Call tracking for HVAC, without the CRM.

HVAC runs on the two worst weeks of the year: the first hard freeze and the first heat wave, when every phone in town rings at once and a call to voicemail is a same-day job gone to whoever answers first. FieldLine gives your shop a dedicated number per channel and per tech, records and summarizes every call, and turns each ring into a lead card, so you know which ads produced the job and nothing gets lost when it's slammed.

The problem

Where HVAC companies leak jobs

  • A no-heat call at 6am with a baby in the house goes to voicemail, and by the time you hear it the homeowner already booked the next company that picked up.
  • You run Google LSA in winter and Yelp all year and honestly can't say which one actually rings, so you keep paying for both and guessing.
  • Maintenance-plan reminders and warranty callbacks fall through the cracks between the truck and the office, and a signed service agreement quietly goes unrenewed.
  • During a heat wave the phone never stops, techs answer on their own cells, and by night nobody can reconstruct who promised what to which customer.
Attribution

Know which of your channels actually rang

Give each channel its own number. Every ring is attributed automatically, so you can see what's producing jobs — and cut what isn't.

Google Local Services AdsYelpTruck wraps and magnetsSeasonal tune-up mailers and postcardsNextdoor and neighborhood referralsRepeat and maintenance-plan customers
A real call

From ring to lead card

Incoming call → lead card

Homeowner calls at 6:10am on the first freeze of the year: furnace won't ignite, no heat, and there's a newborn in the house.

Job
No-heat / furnace not igniting — emergency
Next step
Dispatch the first available tech and flag the card as emergency so it jumps the queue.

The call is recorded, transcribed, and summarized. FieldLine pulls the job and the next step onto a lead card automatically — no typing, no CRM to babysit.

Demand spikes on the first cold snap and the first heat wave, plus a spring and fall tune-up push. Those swing weeks are exactly when your phone is busiest and a missed call costs the most.

Questions

HVAC owners ask

Can I use a separate tracking number for my winter furnace campaign?

Yes. Spin up a dedicated number for each season or campaign, put it on the mailer or LSA listing, and every call to it is attributed automatically, so you can see whether the furnace push actually rang before you renew the spend.

Will emergency no-heat calls still reach my on-call tech?

Calls forward to the phone your on-call tech already carries, so nothing changes about how you take after-hours work. FieldLine just records it, summarizes it, and drops it in as a lead card so the morning office has the full picture.

I already use a scheduling tool. Does this replace it?

No. FieldLine sits in front of your phones and handles attribution, recording, and lead capture. Keep your scheduler for dispatch and invoicing; this fills the call-tracking gap most of those tools leave open.

Also for

Other trades we support

Call tracking for Plumbing
Get started

Answer every HVAC tech call. Capture every lead.

Two-minute setup, no app to install. Founding members lock $28/mo forever.

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