ASHRAE Certified HVAC Designer
(CHD)
ID0547
,ASHRAE Certified HVAC Designer (CHD)
1. During an installation inspection, the field inspector handling ashrae certified hvac designer (chd)
finds that refrigeration cycle heat transfer has not been adequately addressed in the field checklist. A
later reviewer must be able to follow the reasoning. What should be addressed first?
A. Verify materials, tools, equipment and accepted installation methods used in Certified HVAC Designer (CHD)
before final approval.
B. Apply scope-of-work boundaries, plans, specifications and code references governing Certified HVAC Designer
(CHD) before final approval.
C. Review air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements before final approval.
D. Evaluate refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose and size
HVAC systems before final approval.
Correct Answer: D - Evaluate refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose
and size HVAC systems before final approval.
Explanation: The scenario is centered on refrigeration cycle heat transfer; this maps directly to refrigeration
cycle, heat transfer, psychrometrics and load concepts used to diagnose and size HVAC systems. Addressing that area
first is the most defensible way to protect inspection readiness under the stated conditions; the other choices
address different syllabus areas.
2. During a coordination meeting, the project foreman handling ashrae certified hvac designer (chd)
finds that air distribution duct design has not been adequately addressed in the installation record.
The issue cannot be deferred without increasing risk. What should be addressed first?
A. Reconcile air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements while the evidence is still traceable.
B. Confirm inspection checkpoints, tolerances, testing and quality-control criteria for Certified HVAC
Designer (CHD) while the evidence is still traceable.
C. Address layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) while the evidence is still traceable.
D. Verify materials, tools, equipment and accepted installation methods used in Certified HVAC Designer (CHD)
while the evidence is still traceable.
Correct Answer: A - Reconcile air distribution, duct design, ventilation, filtration, indoor-air-quality and
balancing requirements while the evidence is still traceable.
Explanation: The controlling issue is air distribution duct design; this maps directly to air distribution, duct
design, ventilation, filtration, indoor-air-quality and balancing requirements. Addressing that area first is the
most defensible way to protect material performance under the stated conditions; the other choices address different
syllabus areas.
3. During a corrective-action review, the trade specialist handling ashrae certified hvac designer (chd)
finds that compressors condensers evaporators metering has not been adequately addressed in the field
checklist. The available evidence is sufficient to act, but not to ignore the discrepancy. What should
be addressed first?
A. Document scope-of-work boundaries, plans, specifications and code references governing Certified HVAC
Designer (CHD) before the record is closed.
B. Prioritize compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling
before the record is closed.
C. Validate inspection checkpoints, tolerances, testing and quality-control criteria for Certified HVAC
Designer (CHD) before the record is closed.
D. Reconcile safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified
HVAC Designer (CHD) before the record is closed.
Correct Answer: B - Prioritize compressors, condensers, evaporators, metering devices, controls and safe
refrigerant handling before the record is closed.
Explanation: The strongest syllabus match is compressors condensers evaporators metering; this maps directly to
compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling. Addressing that area
first is the most defensible way to protect schedule control under the stated conditions; the other choices address
different syllabus areas.
ASHRAE Certified HVAC Designer (CHD) 2
,ASHRAE Certified HVAC Designer (CHD)
4. During a permit check, the quality inspector handling ashrae certified hvac designer (chd) finds that
electrical/control troubleshooting commissioning efficiency has not been adequately addressed in the
installation record. The decision must remain within the stated scope. What should be addressed first?
A. Apply compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling before
responsibility transfers.
B. Review layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer (CHD)
before responsibility transfers.
C. Evaluate electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation
as applicable before responsibility transfers.
D. Document safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC
Designer (CHD) before responsibility transfers.
Correct Answer: C - Evaluate electrical/control troubleshooting, commissioning, efficiency, combustion or
heat-pump operation as applicable before responsibility transfers.
Explanation: The required judgment turns on electrical/control troubleshooting commissioning efficiency; this maps
directly to electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation as
applicable. Addressing that area first is the most defensible way to protect code compliance under the stated
conditions; the other choices address different syllabus areas.
5. During a final quality inspection, the site supervisor handling ashrae certified hvac designer (chd)
finds that scope-of-work boundaries plans specifications has not been adequately addressed in the field
checklist. A supporting note was added after the original review. What should be addressed first?
A. Confirm air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements within the stated scope.
B. Address scope-of-work boundaries, plans, specifications and code references governing Certified HVAC
Designer (CHD) within the stated scope.
C. Verify safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC
Designer (CHD) within the stated scope.
D. Apply sequencing, coordination with adjacent trades and protection of completed work during Certified HVAC
Designer (CHD) within the stated scope.
Correct Answer: B - Address scope-of-work boundaries, plans, specifications and code references governing
Certified HVAC Designer (CHD) within the stated scope.
Explanation: The evidence gap concerns scope-of-work boundaries plans specifications; this maps directly to
scope-of-work boundaries, plans, specifications and code references governing Certified HVAC Designer (CHD).
Addressing that area first is the most defensible way to protect installation quality under the stated conditions;
the other choices address different syllabus areas.
6. During a pre-work site review, the licensed contractor handling ashrae certified hvac designer (chd)
finds that materials tools equipment accepted has not been adequately addressed in the installation
record. The result will be used by another team. What should be addressed first?
A. Prioritize refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose and size
HVAC systems before implementation.
B. Validate materials, tools, equipment and accepted installation methods used in Certified HVAC Designer
(CHD) before implementation.
C. Reconcile sequencing, coordination with adjacent trades and protection of completed work during Certified
HVAC Designer (CHD) before implementation.
D. Confirm layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) before implementation.
Correct Answer: B - Validate materials, tools, equipment and accepted installation methods used in Certified HVAC
Designer (CHD) before implementation.
Explanation: The priority issue involves materials tools equipment accepted; this maps directly to materials, tools,
equipment and accepted installation methods used in Certified HVAC Designer (CHD). Addressing that area first is the
most defensible way to protect worker safety under the stated conditions; the other choices address different
syllabus areas.
ASHRAE Certified HVAC Designer (CHD) 3
, ASHRAE Certified HVAC Designer (CHD)
7. During an installation inspection, the field inspector handling ashrae certified hvac designer (chd)
finds that layout measurement quantity load has not been adequately addressed in the field checklist.
Management has requested a concise, evidence-based rationale. What should be addressed first?
A. Review scope-of-work boundaries, plans, specifications and code references governing Certified HVAC
Designer (CHD) before the result is relied upon.
B. Evaluate compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling
before the result is relied upon.
C. Document electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation
as applicable before the result is relied upon.
D. Prioritize layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) before the result is relied upon.
Correct Answer: D - Prioritize layout, measurement, quantity, load or trade calculations required for Certified
HVAC Designer (CHD) before the result is relied upon.
Explanation: The case is testing layout measurement quantity load; this maps directly to layout, measurement,
quantity, load or trade calculations required for Certified HVAC Designer (CHD). Addressing that area first is the
most defensible way to protect inspection readiness under the stated conditions; the other choices address different
syllabus areas.
8. During a coordination meeting, the project foreman handling ashrae certified hvac designer (chd)
finds that sequencing coordination adjacent trades has not been adequately addressed in the installation
record. The matter is scheduled for closeout today. What should be addressed first?
A. Address sequencing, coordination with adjacent trades and protection of completed work during Certified
HVAC Designer (CHD) before sign-off.
B. Verify refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose and size HVAC
systems before sign-off.
C. Apply electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation as
applicable before sign-off.
D. Review air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements before sign-off.
Correct Answer: A - Address sequencing, coordination with adjacent trades and protection of completed work during
Certified HVAC Designer (CHD) before sign-off.
Explanation: The decisive cue is sequencing coordination adjacent trades; this maps directly to sequencing,
coordination with adjacent trades and protection of completed work during Certified HVAC Designer (CHD). Addressing
that area first is the most defensible way to protect material performance under the stated conditions; the other
choices address different syllabus areas.
9. During a corrective-action review, the trade specialist handling ashrae certified hvac designer (chd)
finds that safety controls ppe fall/excavation/electrical has not been adequately addressed in the field
checklist. An exception has been recorded and must be resolved before proceeding. What should be
addressed first?
A. Validate layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) before the issue is escalated.
B. Reconcile sequencing, coordination with adjacent trades and protection of completed work during Certified
HVAC Designer (CHD) before the issue is escalated.
C. Confirm safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC
Designer (CHD) before the issue is escalated.
D. Address compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling
before the issue is escalated.
Correct Answer: C - Confirm safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to
Certified HVAC Designer (CHD) before the issue is escalated.
Explanation: The scenario is centered on safety controls ppe fall/excavation/electrical; this maps directly to
safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC Designer (CHD).
Addressing that area first is the most defensible way to protect schedule control under the stated conditions; the
other choices address different syllabus areas.
ASHRAE Certified HVAC Designer (CHD) 4
(CHD)
ID0547
,ASHRAE Certified HVAC Designer (CHD)
1. During an installation inspection, the field inspector handling ashrae certified hvac designer (chd)
finds that refrigeration cycle heat transfer has not been adequately addressed in the field checklist. A
later reviewer must be able to follow the reasoning. What should be addressed first?
A. Verify materials, tools, equipment and accepted installation methods used in Certified HVAC Designer (CHD)
before final approval.
B. Apply scope-of-work boundaries, plans, specifications and code references governing Certified HVAC Designer
(CHD) before final approval.
C. Review air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements before final approval.
D. Evaluate refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose and size
HVAC systems before final approval.
Correct Answer: D - Evaluate refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose
and size HVAC systems before final approval.
Explanation: The scenario is centered on refrigeration cycle heat transfer; this maps directly to refrigeration
cycle, heat transfer, psychrometrics and load concepts used to diagnose and size HVAC systems. Addressing that area
first is the most defensible way to protect inspection readiness under the stated conditions; the other choices
address different syllabus areas.
2. During a coordination meeting, the project foreman handling ashrae certified hvac designer (chd)
finds that air distribution duct design has not been adequately addressed in the installation record.
The issue cannot be deferred without increasing risk. What should be addressed first?
A. Reconcile air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements while the evidence is still traceable.
B. Confirm inspection checkpoints, tolerances, testing and quality-control criteria for Certified HVAC
Designer (CHD) while the evidence is still traceable.
C. Address layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) while the evidence is still traceable.
D. Verify materials, tools, equipment and accepted installation methods used in Certified HVAC Designer (CHD)
while the evidence is still traceable.
Correct Answer: A - Reconcile air distribution, duct design, ventilation, filtration, indoor-air-quality and
balancing requirements while the evidence is still traceable.
Explanation: The controlling issue is air distribution duct design; this maps directly to air distribution, duct
design, ventilation, filtration, indoor-air-quality and balancing requirements. Addressing that area first is the
most defensible way to protect material performance under the stated conditions; the other choices address different
syllabus areas.
3. During a corrective-action review, the trade specialist handling ashrae certified hvac designer (chd)
finds that compressors condensers evaporators metering has not been adequately addressed in the field
checklist. The available evidence is sufficient to act, but not to ignore the discrepancy. What should
be addressed first?
A. Document scope-of-work boundaries, plans, specifications and code references governing Certified HVAC
Designer (CHD) before the record is closed.
B. Prioritize compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling
before the record is closed.
C. Validate inspection checkpoints, tolerances, testing and quality-control criteria for Certified HVAC
Designer (CHD) before the record is closed.
D. Reconcile safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified
HVAC Designer (CHD) before the record is closed.
Correct Answer: B - Prioritize compressors, condensers, evaporators, metering devices, controls and safe
refrigerant handling before the record is closed.
Explanation: The strongest syllabus match is compressors condensers evaporators metering; this maps directly to
compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling. Addressing that area
first is the most defensible way to protect schedule control under the stated conditions; the other choices address
different syllabus areas.
ASHRAE Certified HVAC Designer (CHD) 2
,ASHRAE Certified HVAC Designer (CHD)
4. During a permit check, the quality inspector handling ashrae certified hvac designer (chd) finds that
electrical/control troubleshooting commissioning efficiency has not been adequately addressed in the
installation record. The decision must remain within the stated scope. What should be addressed first?
A. Apply compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling before
responsibility transfers.
B. Review layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer (CHD)
before responsibility transfers.
C. Evaluate electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation
as applicable before responsibility transfers.
D. Document safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC
Designer (CHD) before responsibility transfers.
Correct Answer: C - Evaluate electrical/control troubleshooting, commissioning, efficiency, combustion or
heat-pump operation as applicable before responsibility transfers.
Explanation: The required judgment turns on electrical/control troubleshooting commissioning efficiency; this maps
directly to electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation as
applicable. Addressing that area first is the most defensible way to protect code compliance under the stated
conditions; the other choices address different syllabus areas.
5. During a final quality inspection, the site supervisor handling ashrae certified hvac designer (chd)
finds that scope-of-work boundaries plans specifications has not been adequately addressed in the field
checklist. A supporting note was added after the original review. What should be addressed first?
A. Confirm air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements within the stated scope.
B. Address scope-of-work boundaries, plans, specifications and code references governing Certified HVAC
Designer (CHD) within the stated scope.
C. Verify safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC
Designer (CHD) within the stated scope.
D. Apply sequencing, coordination with adjacent trades and protection of completed work during Certified HVAC
Designer (CHD) within the stated scope.
Correct Answer: B - Address scope-of-work boundaries, plans, specifications and code references governing
Certified HVAC Designer (CHD) within the stated scope.
Explanation: The evidence gap concerns scope-of-work boundaries plans specifications; this maps directly to
scope-of-work boundaries, plans, specifications and code references governing Certified HVAC Designer (CHD).
Addressing that area first is the most defensible way to protect installation quality under the stated conditions;
the other choices address different syllabus areas.
6. During a pre-work site review, the licensed contractor handling ashrae certified hvac designer (chd)
finds that materials tools equipment accepted has not been adequately addressed in the installation
record. The result will be used by another team. What should be addressed first?
A. Prioritize refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose and size
HVAC systems before implementation.
B. Validate materials, tools, equipment and accepted installation methods used in Certified HVAC Designer
(CHD) before implementation.
C. Reconcile sequencing, coordination with adjacent trades and protection of completed work during Certified
HVAC Designer (CHD) before implementation.
D. Confirm layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) before implementation.
Correct Answer: B - Validate materials, tools, equipment and accepted installation methods used in Certified HVAC
Designer (CHD) before implementation.
Explanation: The priority issue involves materials tools equipment accepted; this maps directly to materials, tools,
equipment and accepted installation methods used in Certified HVAC Designer (CHD). Addressing that area first is the
most defensible way to protect worker safety under the stated conditions; the other choices address different
syllabus areas.
ASHRAE Certified HVAC Designer (CHD) 3
, ASHRAE Certified HVAC Designer (CHD)
7. During an installation inspection, the field inspector handling ashrae certified hvac designer (chd)
finds that layout measurement quantity load has not been adequately addressed in the field checklist.
Management has requested a concise, evidence-based rationale. What should be addressed first?
A. Review scope-of-work boundaries, plans, specifications and code references governing Certified HVAC
Designer (CHD) before the result is relied upon.
B. Evaluate compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling
before the result is relied upon.
C. Document electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation
as applicable before the result is relied upon.
D. Prioritize layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) before the result is relied upon.
Correct Answer: D - Prioritize layout, measurement, quantity, load or trade calculations required for Certified
HVAC Designer (CHD) before the result is relied upon.
Explanation: The case is testing layout measurement quantity load; this maps directly to layout, measurement,
quantity, load or trade calculations required for Certified HVAC Designer (CHD). Addressing that area first is the
most defensible way to protect inspection readiness under the stated conditions; the other choices address different
syllabus areas.
8. During a coordination meeting, the project foreman handling ashrae certified hvac designer (chd)
finds that sequencing coordination adjacent trades has not been adequately addressed in the installation
record. The matter is scheduled for closeout today. What should be addressed first?
A. Address sequencing, coordination with adjacent trades and protection of completed work during Certified
HVAC Designer (CHD) before sign-off.
B. Verify refrigeration cycle, heat transfer, psychrometrics and load concepts used to diagnose and size HVAC
systems before sign-off.
C. Apply electrical/control troubleshooting, commissioning, efficiency, combustion or heat-pump operation as
applicable before sign-off.
D. Review air distribution, duct design, ventilation, filtration, indoor-air-quality and balancing
requirements before sign-off.
Correct Answer: A - Address sequencing, coordination with adjacent trades and protection of completed work during
Certified HVAC Designer (CHD) before sign-off.
Explanation: The decisive cue is sequencing coordination adjacent trades; this maps directly to sequencing,
coordination with adjacent trades and protection of completed work during Certified HVAC Designer (CHD). Addressing
that area first is the most defensible way to protect material performance under the stated conditions; the other
choices address different syllabus areas.
9. During a corrective-action review, the trade specialist handling ashrae certified hvac designer (chd)
finds that safety controls ppe fall/excavation/electrical has not been adequately addressed in the field
checklist. An exception has been recorded and must be resolved before proceeding. What should be
addressed first?
A. Validate layout, measurement, quantity, load or trade calculations required for Certified HVAC Designer
(CHD) before the issue is escalated.
B. Reconcile sequencing, coordination with adjacent trades and protection of completed work during Certified
HVAC Designer (CHD) before the issue is escalated.
C. Confirm safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC
Designer (CHD) before the issue is escalated.
D. Address compressors, condensers, evaporators, metering devices, controls and safe refrigerant handling
before the issue is escalated.
Correct Answer: C - Confirm safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to
Certified HVAC Designer (CHD) before the issue is escalated.
Explanation: The scenario is centered on safety controls ppe fall/excavation/electrical; this maps directly to
safety controls, PPE, fall/excavation/electrical or equipment hazards applicable to Certified HVAC Designer (CHD).
Addressing that area first is the most defensible way to protect schedule control under the stated conditions; the
other choices address different syllabus areas.
ASHRAE Certified HVAC Designer (CHD) 4
