ASHRAE Study Guide 2026
Everything you need to pass the ASHRAE exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 ASHRAE Exam Format at a Glance
📚 ASHRAE Topics to Study (21)
✍️ Sample ASHRAE Questions & Answers
1. What professional responsibility applies when practicing material properties?
The fundamental canon of engineering ethics requires holding paramount the safety, health, and welfare of the public.
2. What quality control measure is most important in material properties?
Continuous quality assurance throughout the project lifecycle catches issues early when they are easiest and least costly to correct.
3. How should engineering changes to safety standards be managed?
Formal change control processes ensure all modifications are properly evaluated, approved, documented, and communicated.
4. In ASHRAE building controls, what does 'reset control' (e.g., supply air temperature reset) accomplish?
Reset control varies a setpoint (such as chilled water or supply air temperature) based on outdoor air temperature or zone demand, allowing the plant to operate at less extreme conditions and save energy during mild weather.
5. What distinguishes the room sensible heat ratio (RSHR) from the effective sensible heat ratio (ESHR) in cooling system design?
RSHR represents the sensible heat ratio for the conditioned space load only, while ESHR accounts for the combined effect of the room load plus the enthalpy of outdoor ventilation air introduced into the system.
6. What environmental consideration applies to safety standards?
Environmental compliance and sustainable practices are both regulatory requirements and professional ethical obligations for engineers.