Two Exposi Field Dossiers · For US Homeowners
The brands that still last, the scripts that stop a $99 "tune-up" from becoming a $10,000 afternoon, and 30+ hacks your own AC has been hiding since installation day.
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Beat the brands, dodge the scams, and keep your system alive for 20 years.
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30+ secrets HVAC technicians use, but rarely explain.
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The Field Manual (which brands to trust, which scams to dodge) plus The AC Hacks & Tricks Handbook (what your own system can already do). One checkout, both PDFs, same download page.
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"Three contractors quoted $14,000 to $19,000 for a full replacement. Three weeks of research later: a variable-speed retrofit on his existing ductwork for $6,200."
"He bought the $30 'allergen defense' filters and changed them on schedule. Two years later: frozen coil, dead blower motor, a $2,400 bill caused by the filter."
"26 years running his own shop. Gets called twice a week to install units homeowners bought online. His answer is always no, and his blacklist is in this book."
"His evaporator coil looked like Swiss cheese after six years. The tech's verdict: 'this is normal now.' The coil chapter explains why, and which designs don't rot."
"A $99 tune-up, 22 minutes, 15 scary photos, and a financing tablet. One question ended the entire performance: 'are you paid commission?'"
Cases documented in our published investigations. The full stories and numbers are in the manual.
How we source this: every brand claim, price, and repair figure is cross-checked against documented class-action filings, EPA regulatory records, Consumer Reports reliability data, and field reports from independent, non-sponsored HVAC technicians, not manufacturer marketing.
Three corporations own your "choice", the 12-year death clock, the coil downgrade, and the oversizing racket.
The five brand families still worth your money, and exactly which tier of each to buy.
Seven names experienced technicians refuse to install, from "the fountains" to orphan inverter imports.
Hybrid retrofit, downsize & dehumidify, incentive stacking, the $300 insurance policy, and the supply-house recon.
The MERV lie, what to actually buy for $5, and the media-cabinet upgrade that gives clean air without the damage.
Four gases, four bans, one pattern, and how to never panic-buy a system over a phase-out headline.
The $99 tune-up decoded minute by minute, three fake diagnoses, and the one question that ends the game.
Troubleshooting table, savings table, two defense checklists, seasonal calendar, toolkit list, and a repair log.
The breaker that lies to you, the switch already protecting your ceiling, and the refrigerant question that ends the guesswork.
The $15 habit that cuts your bill 15%, the real airflow test, and why the "90-day rule" on the box is wrong for your house.
The overlooked component behind more summer breakdowns than almost anything else, and the number that separates a real test from a guess.
The bushes crowding your condenser, the third of your cold air that never arrives, and the vinegar trick that keeps your ceiling dry.
AUTO vs. ON, the swing setting nobody touches, and the free cold air most systems throw away after every cycle.
The $1,000 add-on that does what a $1 bottle does, "dirty sock syndrome" explained, and the appliance recirculating its own contamination.
The question that ends a refrigerant scam, the service-contract sanity check, and the rust myth that sells unnecessary compressors.
Quick checklist, troubleshooting table, seasonal calendar, and six AC myths debunked.
The Field Manual is about the buying decision: which brands still last, which ones techs blacklist, and how to avoid a $10,000 mistake. The AC Hacks & Tricks Handbook is about the system you already own: hidden settings, a $15 part almost nobody tests, and the tricks that stop small problems before they become service calls. They don't overlap, which is why the bundle exists — buy either one alone, or get both for less than the two combined.
Yes. Between the two guides, both sides are covered: keeping your current system alive (filters, hidden settings, scam defense) and buying right when it finally dies (the lifetime list, the blacklist, sizing, retrofits). Furnaces, ACs, heat pumps, mini-splits, and window units are all covered. US market focus.
Usually on the first service visit. Declining one mispriced capacitor swap covers the book several times over, and the filter chapter alone saves $220+ a year. The big plays, like a retrofit instead of a full replacement or a second opinion on a red tag, are four-figure swings.
It's written for exactly you. No tools and no technical background needed. Every entry is a real situation, a fix, and the exact words to say to a technician. That doesn't mean it's simplified: every claim behind it is still cross-checked against EPA filings, class-action records, and licensed-technician reports. You just don't have to read those yourself.
Yes. If anything, this is who it was written for. No tools, no crawling in the attic, nothing physical at all. Every entry is a situation and the exact words to say to a technician, printed large enough to hold at the door. If you can read a paragraph and ask a question out loud, you can use this book.
The parts most people never find: the supply-house recon method for finding honest techs, the Bosch 24V retrofit loophole, capacitor tolerance math, and the refrigerant patent cycle. It's the stuff that lives in technician forums, organized.
Instant download, PDF (or two PDFs if you buy the bundle), readable on any device and printable (the checklists are made for it). Secure checkout via Paddle; your download page opens immediately after purchase, plus a receipt by email.
14 days, full refund, no questions asked. If a guide doesn't earn its price, reply to your receipt email and say so — same policy whether you bought one guide or the bundle. No forms, no explanation required. Full policy here.
66 field notes & secrets · 8 evidence exhibits & charts · 6 printable worksheets · 1 question that ends most sales scripts
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Only need one? Field Manual ($24) · AC Hacks Handbook ($17.99)