CRD Study Guide 2026
Everything you need to pass the CRD 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.
📋 CRD Exam Format at a Glance
📚 CRD Topics to Study (21)
✍️ Sample CRD Questions & Answers
1. Which document is typically completed and left with the homeowner after geothermal system commissioning?
A commissioning report documenting all measured parameters provides the homeowner and future technicians with a performance baseline for the system.
2. Which statement BEST describes the relationship between Certified Residential Geothermal Designer certification and industry evolution?
Certification requirements evolve to keep pace with professional and technological advances.
3. How do environmental compliance regulations impact Residential Energy Efficiency & Load Calculations?
Environmental compliance regulations impact Residential Energy Efficiency & Load Calculations by ensuring sustainable practices in geothermal system design and installation. These regulations mandate adherence to ecological guidelines, such as protecting groundwater quality and minimizing land disturbance, promoting environmentally responsible and long-term sustainable energy solutions.
4. What is a common tool used in Residential Energy Efficiency & Load Calculations?
Manual J and Manual S are common tools used in Residential Energy Efficiency & Load Calculations. ACCA Manual J is the industry standard for calculating a building's heating and cooling loads, while Manual S is used for properly selecting and sizing HVAC equipment based on those load calculations. Together, they ensure optimal system design and performance.
5. Which stakeholder typically issues drilling permits for vertical borehole geothermal loops in US residential projects?
Vertical boreholes are regulated similarly to water wells, so state or local well drilling authorities issue required permits before drilling begins.
6. What is the purpose of a pre-construction site assessment in residential geothermal project management?
A pre-construction site assessment identifies physical constraints that affect loop placement, equipment access, and overall project feasibility before signing contracts.