NATE HVAC Certification Study Guide 2026-2027 - Core + Air Conditioning + Gas Heating + Heat Pumps: Complete 4-in-1 Exam Prep + 300+ Practice ... (HVAC & Electrical Certification Exam Prep)

The complete 4-in-1 NATE HVAC certification study guide for 2026-2027.Whether you are preparing for your first NATE exam or pursuing additional specialty credentials, this updated edition gives you the structured study path technicians need to pass all four exams in one sitting: Core (CORE), Air Conditioning Service (ACSV), Gas Heating Service (GSSV), and Heat Pump Service (HPSV).Built for the 2025-2026 refrigerant transition.R-410A new equipment sales ended January 1, 2025 under the AIM Act. This guide covers the A2L refrigerant transition (R-454B and R-32), updated EPA Section 608 venting rules with the current 4,539 per-day civil penalty, NFPA 54 venting categories I through IV, the ICC International Mechanical Code, and ACCA Manual J load calculation methodology.What you get:- 19 chapters covering all four NATE exam blueprints- 134,000+ words of exam-focused content- 119 figures, diagrams, and reference tables- 300+ practice questions across two full mock exams- A-Z glossary plus quick-reference cheat sheets for EPA 608 cert types, refrigerant P-T tables, NFPA 54 venting categories, Manual J inputs, and IMC code references- Day-by-day final-week study plan and exam-day logisticsBy the publisher of certification study guides trusted by trades professionals. Not affiliated with or endorsed by North American Technician Excellence (NATE). Read more