Prentis

Prentis is the AI co-pilot built for working HVAC technicians — a knowledgeable second opinion in your pocket on every service call. Ask by voice or text, snap a photo of a nameplate or component, and get clear, cited guidance drawn from real manufacturer service manuals. Prentis is decision-support: it helps you think through the diagnosis. It never replaces your training, your judgment, or the manufacturer's specs. WHAT YOU CAN DO • Ask hands-free — voice questions while your hands stay on the equipment • Snap a nameplate — Prentis reads the model and pulls the right unit's specs • Get cited answers — load-bearing specs reference the manual, page, and figure • Diagnose step by step, the way a seasoned tech would • Look up refrigerant, charging, superheat/subcooling, electrical, and airflow targets • Keep a history of your jobs and past questions BUILT FOR THE TRADE • Residential and light-commercial HVAC • EPA 608 safety framing on every refrigerant, electrical, and brazing answer • Straight answers in the field — no scrolling PDFs on a phone SAFETY FIRST Prentis provides guidance only. It is not a substitute for training, professional judgment, applicable codes and regulations, manufacturer specifications, or employer requirements. Always follow proper procedures and confirm before you act. MEMBERSHIP Free to start. Prentis Premium is $49/month for unlimited use. Payment is charged to your Apple ID at purchase. The subscription auto-renews unless turned off at least 24 hours before the period ends, and your account is charged within 24 hours before renewal. Manage or cancel anytime in your App Store settings. Terms of Use: https://prentis.co/terms Privacy Policy: https://prentis.co/privacy Questions? support@prentis.co