Find the source of the fault fast, right in the middle of the service call. You’ll get a complete digital atlas: symptom maps, diagnostic flowcharts, reference charts and brand by brand routes for diagnosing inverter mini splits in the field, so you stop replacing parts you never needed to replace.
📲 Instant access. The download link’s in your inbox before you’re back in the truck.
You know what to measure first, with the panel off.
You follow the troubleshooting sequence without second-guessing.
You quit throwing parts at it and read the number instead.
Including the phone already in your pocket, in an attic with zero bars.
You hand over the reading in your hand, not an opinion.
The 17+ names you see in the field, each one with its own page.
This price holds while the clock’s running
Follow one clear sequence and land on the cause fast.
Hand the homeowner an accurate diagnosis and earn the trust that comes with it.
Know exactly which component gets checked first.
Grow your book by handling the hard calls with confidence.
Get real work out of the multimeter and the clamp meter you already own.
Work more efficiently and cut the time each call takes.
Every page was built to be read with one hand, with the panel off.
Specs
Your atlas is covered. Now here’s what comes on top.
The atlas handles the measuring. These six handle everything that happens before and after it.
They sign off on the repair because you said it in plain words they trust, with the reading right there in your hand.
The pages you open most, printed, folded and tabbed, so an attic with zero bars on your phone never stops you again.
You take the mini split call nobody else wants, and you still know exactly where your responsibility starts and ends.
You overturn the other company’s condemn with readings on paper, and the homeowner hands the job straight over to you.
You finally see in dollars what one wrong board and one free trip back really took out of your week, in your numbers.
You get the manufacturer or the supply house to cover that board instead of quietly paying for it out of your pocket.
$108.90
$14.90
One-time payment
✓ You save $94.00
$15.90
$9.90
One-time payment. You save $6.00
I JUST WANT THE BASICOne control board you condemned by mistake costs more than the complete plan, and on flat rate that board comes out of your own pocket. The atlas doesn’t wear out: pay once, and it’s on your phone for every call after this one.
🔒 Checkout is secure end to end.
What techs say once the route is in their hand at the unit.
“The code said communication, and I was already pricing a board. The page sent me to the S terminal first, and the copper was loose right there. I tightened it, took the reading again, and closed the call without ordering a part.”
HVAC service technician and owner operator, Mesa, Arizona, United States
“Another company had already condemned this unit and told the homeowner to replace it. I ran the route, wrote every reading on the sheet, and handed the page over before I left. They could see why I said what I said, and I got the job.”
HVAC service technician, Greensboro, North Carolina, United States
“I print the pages I use the most and keep them in the truck, so no signal in a crawlspace doesn't slow me down anymore. I start at the symptom index, go straight to the brand route, and I'm measuring while I used to still be guessing.”
Residential HVAC service technician, Tampa, Florida, United States
You’ve got 7 days from the moment you buy. If at any point inside that window you decide that:
👉 just ask for your money back. No forms, no questions, no runaround. We carry the risk on this one, and that’s exactly what the 7 days are for.
Step by step
Once the payment clears, your access opens automatically and the link’s in your email.
Everything’s organized in one place. Browse the materials and put the bonuses to work.
There’s nothing to learn first. You open the brand’s page with the panel off, and the call you take next July opens that same page.
No. It starts at the measurement, not at the theory. If you already know your way around a split system, you can follow a flowchart.
Yes. Once the payment clears, access opens automatically and the link’s in your inbox.
Yes. Download the PDF once and it still opens in an attic with zero bars on your phone.
You’ve got 7 days to ask for your money back, no runaround.
Yes. The atlas is reviewed on an ongoing basis so the reference values and the brand routes stay accurate.
Access is personal and not transferable, but you’re welcome to recommend it.
No. This isn’t a course and it isn’t CEU. It’s the reference you open with the panel off.
No. It’s a diagnostic reference: measuring and reading values, nothing that touches refrigerant handling or voids a manufacturer warranty.