Every technician works like your best one.
For the technician at the unit, and for the owners and principals of the contracting firms and service organizations they work for. The unit, the manual page, the part and the steps, on the phone in your hand.

For the technician
The unit, the manual page, the part and the steps, on the phone in your hand. You check the source. You decide.
A day with less guessing The Zylergy Field quick start guideFor the owner
Fewer second truck rolls, fewer callbacks, and knowledge that stays when a senior tech retires.
The labor mathBuilding engineers and the contractors they call in use Zylergy Facilities. See Zylergy Facilities
A day with less guessing
You know the trade. What slows you down is everything around it: the manual that is not in the truck, the part with the label burned off, the callback because someone guessed.
Follow one call in Zylergy FieldFor the newer technician
The chart tells you the history.
What failed before, what was replaced, what is due.
The diagnosis narrows like a senior tech would.
One or two questions, then a likely cause with its source.
The steps are in the manual's own words.
Cited, checkable, with the cautions left in.
The checklist shows the range.
You know what good looks like before you write the number down.
You still call your senior tech when it matters. You just do not have to call for the things the manual already answers.
What it will not do
It will not guess. When the manuals do not cover something, it says so and points you to the closest section or a person to ask. It will not take the call out of your hands either: you confirm the unit, you pick the part, you sign off the repair.
The labor math
You cannot hire your way out of this. About 40,600 openings for heating, air conditioning and refrigeration mechanics and installers are projected each year over the decade, many of them to replace workers who move to other occupations or retire.1 Every one of those departures takes knowledge with it.
Zylergy's software is built so junior technicians can work like the most senior person on your team.
Fewer second truck rolls.
The right part identified at the unit, approved by the customer on site, ordered before the tech leaves.
Fewer callbacks.
Diagnosis comes from the unit's own manuals and history instead of memory, and readings are recorded against the manufacturer's range.
Knowledge that stays.
Every visit lands on the unit's service log. When a senior tech retires, what they knew about your customers' equipment does not leave with them.
Visibility without phone calls.
The office sees the diagnosis path, the readings, the photos and the parts for every visit, as it happens.
A plan offer at every close.
Build your service plans once in the console. Every technician presents them the same way, with the add-on the day's findings point to.

1 U.S. Bureau of Labor Statistics, Occupational Outlook Handbook, "Heating, Air Conditioning, and Refrigeration Mechanics and Installers", job outlook, projections 2025 to 2035, accessed October 13, 2026.
Service networks and equipment makers have their own page. See field service for equipment makers
Questions
Is this meant to replace experienced technicians?
No. It puts the manual, the history and the parts catalog in every technician's hand, so your senior people spend their time on the hard calls instead of answering the same questions on the phone.
What if the answer is wrong?
Every answer shows its source, and one tap opens the page. The technician checks it and decides. When the manuals do not cover the problem, it says so instead of guessing.
Do I need signal?
Scanning, the parts catalog, cached manuals, part matching and checklists work offline. The live assistant needs signal, and the app tells you when you do not have it.
Does it work with gloves on?
The field app is built for one hand and gloves, with large targets and a high-contrast dark mode for roofs and mechanical rooms.
How does a firm get started?
Through early access to Zylergy Field. Our engineers ride along with your technicians, load the manuals for the units you see most, connect your parts supplier, and put the app in your team's hands. Join early access
Zylergy Field. For HVAC contractors.
See Zylergy FieldZylergy Facilities. For building teams and their contractors.
See Zylergy FacilitiesGive your newest tech your best tech's answers.
Talk to an engineer about your crew, your units and where the second truck rolls come from.