CCP Cheat Sheet 2026

The 30 highest-yield CCP facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which ASHRAE guideline is most directly associated with the commissioning process for HVAC&R systems? → ASHRAE Guideline 0
2. Which quality assurance method is most commonly applied in electrical switchgear verification to verify that CCP professional standards are being met? → Structured audits, peer reviews, and performance metrics aligned with industry benchmarks
3. The recommended maintenance section of a Systems Manual should include: → Manufacturer-recommended tasks, intervals, and consumable specifications
4. What is the role of a commissioning professional in identifying underperforming systems? → To identify and address underperformance by recommending corrective actions.
5. What does a negative static pressure reading at the supply plenum of an air handler indicate? → Potential fan rotation issue or severe restriction upstream
6. During TAB (Test, Adjust, Balance) for an exhaust air system, measured airflow exceeds design by 25%. The BEST corrective action is to: → Adjust the fan damper or sheave to reduce fan speed
7. Which of the following is a fundamental principle of hvac tab & functional testing as it applies to Certified Commissioning Professional? → Systematic evaluation and adherence to established industry standards
8. According to ASHRAE Guideline 0, who is responsible for developing the Owner's Project Requirements (OPR)? → The owner with assistance from the CxA
9. A CCP professional encounters an unfamiliar situation while performing building envelope & energy audit duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
10. During a commissioning scoping meeting, which document should be reviewed to confirm that commissioning scope aligns with project goals? → The Owner's Project Requirements (OPR)
11. An Issues Log item is marked 'Deferred' — what is the most appropriate next action? → Assign a target date and carry it into the post-occupancy or warranty phase
12. In California, which Title 24 section specifically addresses building commissioning requirements for nonresidential buildings? → Title 24 Part 6 (Energy Code), Section 120.8
13. What is the minimum standby power duration required for a fire alarm system in a building without a secondary power source per NFPA 72? → 24 hours
14. A CCP professional encounters an unfamiliar situation while performing hvac tab & functional testing duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
15. What is the primary ethical obligation of a CCP professional when a conflict of interest arises during building envelope & energy audit activities? → Disclose the conflict to all relevant parties and recuse from the decision if necessary
16. Which document within the Systems Manual describes the intended operational modes and control logic of HVAC equipment? → Sequences of operations
17. Which ANSI device number designates an overcurrent relay used for phase and ground protection in switchgear? → ANSI 51
18. In the context of commissioning documentation, records of deferred testing and seasonal testing results should be included in which document? → Systems Manual
19. Which of the following best describes the difference between TAB and commissioning functional testing? → TAB quantifies and adjusts flows to design; commissioning verifies sequence of operations
20. A dual-duct VAV system's hot deck is providing 10°F less than design heating supply temperature. What component should be investigated first? → Heating coil control valve and actuator operation
21. A chilled water coil leaving air temperature is 5°F above design during TAB. The entering water temperature and flow are correct. What is the most likely cause? → Coil bypassing due to fouling or air entrainment
22. Which quality assurance method is most commonly applied in cx process & ashrae guideline 0 to verify that CCP professional standards are being met? → Structured audits, peer reviews, and performance metrics aligned with industry benchmarks
23. During functional performance testing of a packaged DX unit, subcooling at the condenser outlet should typically be: → 5-15°F below saturation temperature
24. What is the primary ethical obligation of a CCP professional when a conflict of interest arises during cx plan & issues log activities? → Disclose the conflict to all relevant parties and recuse from the decision if necessary
25. In the ASHRAE Guideline 0 Cx process, what document formally records deficiencies found during testing? → Issues Log
26. A commissioning agent is verifying a variable air volume (VAV) box controller. Which sensor is most critical to verify for proper zone temperature control? → Zone temperature sensor
27. What is the required frequency for performing a full-flow main drain test on a wet-pipe sprinkler system during commissioning? → It is performed once during commissioning acceptance testing
28. During commissioning schedule development, who is primarily responsible for integrating the commissioning milestones into the overall construction schedule? → The commissioning authority (CxA)
29. During commissioning of a medium-voltage switchgear lineup, which test verifies the mechanical interlock between the main breaker and the bus tie breaker? → Mechanical interlock integrity test
30. Which parameter is used to evaluate the thermal performance of a chiller during acceptance testing per ASHRAE Guideline 155? → Integrated Part Load Value (IPLV) across multiple operating conditions