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.
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 the heat exchanger in a gas furnace?
Answer: B. Transfer heat from combustion gases to the circulating air without mixing them
The heat exchanger keeps combustion products separated from conditioned air while allowing heat transfer through the metal walls.
What is the standard gas manifold pressure for natural gas residential furnaces in the US?
Answer: B. 3.2–3.8 inches WC
Natural gas furnace manifold pressure is typically set at 3.2–3.8 inches water column (around 3.5 inches WC nominal).
What does HSPF2 measure for a heat pump?
Answer: B. Heating efficiency measured as total heat output divided by total electrical energy over the heating season
HSPF2 (Heating Seasonal Performance Factor 2) rates heating efficiency; higher values indicate more efficient heating performance.
On a cooling thermostat, which terminals are energized when the system is calling for cooling?
Answer: B. R and Y
During a cooling call, the Y (compressor) terminal is energized along with R (power), activating the compressor contactor.
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