Offline HVAC field software: test it where the signal disappears.
Equipment history, notes, photos and recorded voice need to survive poor reception. Here is a practical test for the phone workflow and the office handoff.
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The mechanical room has no reception, and the tech still needs the right unit, the last useful note and somewhere to put today's photos. “Works offline” only means something once you know what still works down there and what waits for a connection.
Start with what the phone already knows.
Some field apps only keep what the tech opened while connected, so the crew learns to load the day's stops in the truck. Find out which kind you're testing. And no app can show a dispatch change or another tech's latest note until the phone reconnects.
BoltWright's Field app keeps all of your customers, sites and equipment on the phone after the first sign-in, and search works across all of it without a connection, including a site the tech has never been to. That matters most if your crew gets reassigned during the day.
What stays on the phone, and what needs a connection?
Here's how BoltWright Field handles it on Android and iPhone.
Swipe the table sideways to compare offline work with connected work.
| Work | Without signal | When connected |
|---|---|---|
| Stop and equipment context | Search and open any customer, site or unit your company has, once the phone has loaded them after the first sign-in. | Receive changes from the office and other technicians. |
| Typed notes, photos and recorded voice notes | Saved on the phone until it can be sent. | Sent to the office. Check that it arrived. |
| Equipment record changes | Add a unit that is missing, or correct a serial, model or location. The change is saved on the phone and queued. | The queued change reaches the office and the equipment record updates. |
| Live conversation with Bolt | Past conversations stay readable. Record a voice note to capture what you'd have told Bolt. | Bolt needs a connection to reply and talk live. |
| Office handoff | The office can't see saved work yet. | The work arrives for report review and follow-up. Check it's there before the office relies on it. |
Run this test on the phone your crew uses.
- Pick a typical stop. Use a test job with more than one unit, and check the stop shows enough to find the equipment and understand the work.
- Go offline. Turn on airplane mode and turn off Wi-Fi. Open the stop and the equipment you'd expect to need.
- Capture a small visit. Type a note, take a photo and record a voice note. Save each one, and check the phone shows which work is saved and which has been sent.
- Close and reopen the app. Still offline, find the same stop and confirm every saved item is still there. Lock and unlock the phone too.
- Reconnect and check both ends. Let the phone send, then open the office record. Every note and attachment should be there, on the right visit and unit, with no duplicates.
- Look up a site nobody opened. Go offline again and search for a customer or unit the tech has never visited. Either it's there, or the app should say plainly that it isn't, so the tech knows what to do next.
A desktop demo won't show you what happens when someone locks the phone halfway through a job, so run this on the phones your crew actually carries.
Know what's been saved and what's been sent.
The tech should be able to see what's saved and what still needs to go through, and the office needs to know the work has arrived before it prepares customer paperwork. If a send gets stuck, the phone should tell the tech what to do about it.
One thing to know about BoltWright: signing out clears saved work from the phone, including anything not yet sent. The app warns first, but if a connection or sign-in problem is holding up a send, fix that before anyone signs out.
The field record feeds the rest of the shop.
In BoltWright, Field is connected to dispatch, equipment history, PM agreements, report review, quotes and invoices, and offline capture holds the tech's work until it can get there. See the Field workflow and what the office needs for a service report.
For the rest of the buying decision, try the software comparison script and the commercial HVAC service software guide.
Bring a phone and a typical stop.
We'll walk through the saved site information, capture with no signal and the office handoff on the kind of visit your crew actually does.
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