Try these questions from our free NATE - North American Technician Excellence practice tests. The correct answer and an explanation follow each question.
What is the purpose of a balancing damper in a duct branch?
Answer: B. Adjust airflow to individual zones to balance the system and deliver correct CFM to each room
Balancing dampers restrict airflow in over-supplied branches, diverting more air to under-supplied areas for proper room-by-room comfort.
What component allows a heat pump to reverse the refrigeration cycle between heating and cooling modes?
Answer: B. Reversing valve
The reversing valve redirects refrigerant flow so the indoor coil acts as a condenser in heating mode and an evaporator in cooling mode.
A high-efficiency split system AC rated at SEER 18 performs better than a unit rated at which of the following?
Answer: C. SEER 16
SEER (Seasonal Energy Efficiency Ratio) measures cooling efficiency; higher numbers indicate better efficiency.
Which EPA section requires technicians to be certified before purchasing refrigerants?
Answer: B. Section 608
EPA Section 608 regulations require HVAC technicians to be certified when purchasing and handling refrigerants.
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Facts verified Oct 21, 2026 against North American Technician Excellence. Dates that have passed are removed automatically.
| Item | Detail | Official source |
|---|---|---|
| Number of questions (CHP-5 — each exam) | 30 questions per exam | North American Technician Excellence |
| Number of questions (Senior Level Efficiency Analyst) | 100 questions; open book | North American Technician Excellence |
| Number of questions (Traditional pathway — Core) | 50 questions | North American Technician Excellence |
| Number of questions (Traditional pathway — Specialty) | 100 questions | North American Technician Excellence |
| Time limit (CHP-5 — each exam) | 60 minutes per exam | North American Technician Excellence |
| Time limit (Senior Level Efficiency Analyst) | 240 minutes | North American Technician Excellence |
| Passing score (Senior Level Efficiency Analyst) | 75% | North American Technician Excellence |
| Passing score (Traditional pathway — Core and installation/service specialties) | 70% or higher | North American Technician Excellence |
| Exam fee (CHP-5 — renewal using continuing education) | $30 renewal fee | North American Technician Excellence |
| Exam fee (Live Online Proctoring) | Current prices available in myNATE | North American Technician Excellence |
| Validity (CHP-5 and Traditional pathway) | Two years | North American Technician Excellence |
| Renewal (CHP-5 and Traditional pathway) | 16 continuing education hours plus renewal fee | North American Technician Excellence |
| Delivery | In person or remotely proctored online | North American Technician Excellence |
| Eligibility (Senior Level Efficiency Analyst) | Two qualifying NATE Service specialty certifications | North American Technician Excellence |
| Testing window | On demand through approved testing organizations | North American Technician Excellence |
| Testing window (CHP-5) | Up to six months between exams | North American Technician Excellence |
Facts verified Oct 21, 2026 against North American Technician Excellence. Dates that have passed are removed automatically.
The NATE Core exam typically consists of 50 questions covering foundational HVACR knowledge. The Specialty exams, such as Air Conditioning or Gas Heating, are more in-depth and usually contain 100 questions. You are generally given 2-4 hours to complete each exam, so time management practiced through mock tests is crucial for success.
The NATE test is challenging and designed to certify a technician's expertise, not just basic knowledge. The pass rate varies, but many technicians require multiple attempts if they do not prepare properly. Using a comprehensive online practice test and study guide significantly increases your chances of passing by familiarizing you with the exam format and question difficulty.
The most effective strategy is to combine hands-on experience with structured study. Start by taking a full-length FREE NATE practice test to identify your weak areas. Then, focus your studies on those specific KATEs (Knowledge Areas of Technician Expertise) using a reliable study guide. Consistently taking practice quizzes will build confidence and ensure you're fully prepared for exam day in 2026.
As of early 2026, the cost for NATE exams can vary by testing center and format. Typically, you can expect to pay between $130 and $250 for each exam (Core and Specialty). Some testing organizations may bundle the exams for a slightly reduced price. Always check with your chosen NATE-approved testing organization for the most current pricing information.
You've found it! PracticeTestGeeks.com offers a FREE full-length NATE practice test with questions and answers designed to simulate the real exam experience. Our online mock exam provides instant scoring and detailed explanations to help you identify and improve upon your weak areas, making it an essential tool for your 2026 NATE certification preparation.