The EPA 608 Exam Changes Jan 1, 2027
First update in 30 years — new A2L refrigerant questions are coming. Start with the free guide.
Get it freeBuilt for the trades
Field-tested HVAC training systems and AI playbooks for contractors — built by a working tech to kill callbacks, fix pricing, and fill dead weeks.
The problem
Most techs and small shops don't have a skill problem — they have profit leaks. Every one of these quietly drains thousands a year:
One return trip burns fuel, hours, and customer trust. A single callback can wipe out the margin on three clean jobs.
Time-and-materials guessing and flat rates pulled from thin air leave money on every single ticket — for years.
Shoulder seasons don't have to mean an empty board. No marketing system = praying the phone rings.
Charging by feel. Skipping airflow checks. Slow diagnostics mean fewer calls per day and more parts thrown at problems.
The arsenal
The 7 mistakes behind 90% of HVAC callbacks — and how to kill them for good.
Get it freeField checklists that end return trips — diagnose it right the first time.
View productSuperheat, subcooling & static pressure — finally clear, finally fast.
View productDiagnose faster, price right, earn more on every ticket.
View productThe owner's operations playbook — systems, pricing, and training in one box.
View productA price book built for your shop, your rates — delivered in 7 days.
View productFill your fall schedule before the first cold snap hits.
View productA2Ls explained plainly + the 2027 EPA 608 exam change. Start free.
Get it free8 one-page cheat sheets. Drill the 2027 exam facts until automatic.
View product100 original questions, every answer explained. Practice the real test.
View productThe complete study system for the new exam. Pass once, done for life.
View productTrain your whole crew: talks, quizzes, tracking, documentation.
View productA2Ls explained plainly + the 2027 EPA 608 exam change. Start free.
Get it free8 one-page cheat sheets. Drill the 2027 exam facts until automatic.
View product100 original questions, every answer explained. Practice the real test.
View productThe complete study system for the new exam. Pass once, done for life.
View productTrain your whole crew: talks, quizzes, tracking, documentation.
View productCopy-paste AI prompts for estimates, follow-ups & marketing.
Get it free150 prompts for sales, marketing, operations & hiring.
View productA month of social posts for your trade business — done in a day.
View productThe complete AI playbook for home-service businesses.
View productEvery AI Lab product plus 25 exclusive Advanced Revenue Prompts.
View productWatch
Five short videos on the 2027 EPA 608 exam change and A2L refrigerants. Each one pairs with the study tool that goes with it — every video ends with where to find it.
First update in 30 years — new A2L refrigerant questions are coming. Start with the free guide.
Get it freeLower toxicity, mildly flammable — R-32 and R-454B explained in plain English.
View productR-410A systems get serviced as-is. New installs go R-32 or R-454B — and the exam tests it.
View productHow EPA 608 scoring actually works, and why the 2027 A2L questions change your study plan.
View productManufacturers are starting to require A2L training before you can buy the new equipment.
View productBuilt by a tech, not a guru
Tony Hardeman is a 15-year HVAC maintenance professional — EPA Universal certified. Every Apex Nexus product started as something he built to survive real service calls: callbacks that ate his Saturdays, pricing that left money on the table, slow weeks with a silent phone.
No theory. No webinar fluff. Field-tested systems and AI playbooks that earn their keep from the first job you run them on.
— Tony Hardeman, Apex Nexus
Questions
Straight answers, no fine print.
Instantly. Checkout runs through Gumroad — the moment your payment clears you get a download link on screen and a receipt email with a permanent download link. Everything is PDF, readable on any phone, tablet, or computer, and yours to keep forever.
Yes — $0, no credit card, no trial. 7 Callback Killers and 50 AI Prompts Every Contractor Should Steal download instantly. They're the real deal, not teasers.
Nope. The AI Lab products are copy-paste prompts and plain-English playbooks written for contractors, not developers. If you can send a text message, you can run these.
You complete a short 15-minute intake with your labor rates, parts markup, and service details. Tony builds your custom flat-rate price book from that — calibrated to your shop, not a national average — and delivers it within 7 days.
Absolutely — most of these tools were built for exactly that. Solo techs and small shops get the biggest lift because every callback avoided and every ticket priced right lands straight in your pocket.
Tony Hardeman — a 15-year, EPA Universal certified HVAC maintenance pro. Everything here was field-tested on real calls before it ever became a product.