Esco Heat Pump Exam (Latest
2026/2027 Update) 100% Verified Actual
Exam Questions & Answers | Grade A
This practice resource covers 100+ multiple-choice questions aligned with the
ESCO Institute Heat Pump Certification Exam. It verifies a technician's expertise
in reversing valves, defrost controls, system charging, and electrical
troubleshooting, making it an essential tool for passing the professional
certification test.
Exam Description Overview
This comprehensive study and preparation bank mirrors the exact format and
rigorous standards of the ESCO Group Professional Technician Certifications.
Designed for both entry-level and experienced technicians, it tests your ability to
diagnose, install, and service modern residential and light commercial heat pump
systems.
Key Areas of Competency Covered
The questions are strategically divided to measure your knowledge across the
most critical domains of heat pump technology:
• Refrigeration Cycle & Components: Grasp the operation of the
reversing valve, suction accumulators, bi-flow filter driers, and scroll
compressors.
• Defrost Controls: Master the different methods of defrosting, including
demand vs. timed-temperature defrost cycles, and how to manipulate
defrost boards.
• Electrical Control & Wiring: Understand system staging, O/B reversing
valve reversing operations, sequencers, auxiliary electric heat strips, and
reading ladder schematics.
1
, • System Charging & Troubleshooting: Practice calculating superheat
and subcooling, identifying true outlet pressures, and maintaining correct
CFM (400-450) across evaporator coils.
• Thermostats & Balance Points: Learn to determine building heat loads,
size for cooling loads, and install/program digital thermostats.
Who Needs This Exam Prep?
• HVAC Students: An indispensable tool for clearing end-of-program
written assessments like the H.E.A.T. Exam.
• Working Technicians: Excellent for those seeking to add the Heat Pump
Installer or Heat Pump Service credentials.
Quiz_________________?
1. An air-to-air heat pump has many of the same components as an air
conditioning system. The major difference is that a heat pump also has a (an); -
Answer
C: reversing valve.
Quiz_________________?
2. What is the difference between "demand defrost" and "timed defrost?" -
Answer
D: demand defrost only happens when needed, and time defrost is on timed
temperature
Quiz_________________?
3. The thermostat that controls the auxiliary electric heat according to the
outdoor temperature is called the; -
2
, Answer
C: outdoor ambient thermostat.
Quiz_________________?
4. The outdoor temperature at which the heat pump provides the same amount
of heat as the heat loss of the conditioned space without auxiliary heat is known
as the; -
Answer
A: initial balance point.
Quiz_________________?
5. At what temperature is an outdoor ambient thermostat normally set? -
Answer
B: At or slightly above the initial balance point.
Quiz_________________?
6. The outdoor coil is frozen solid on a "no heat" service call. The most likely
reason is: -
Answer
D: outdoor fan is inoperative
Quiz_________________?
3
2026/2027 Update) 100% Verified Actual
Exam Questions & Answers | Grade A
This practice resource covers 100+ multiple-choice questions aligned with the
ESCO Institute Heat Pump Certification Exam. It verifies a technician's expertise
in reversing valves, defrost controls, system charging, and electrical
troubleshooting, making it an essential tool for passing the professional
certification test.
Exam Description Overview
This comprehensive study and preparation bank mirrors the exact format and
rigorous standards of the ESCO Group Professional Technician Certifications.
Designed for both entry-level and experienced technicians, it tests your ability to
diagnose, install, and service modern residential and light commercial heat pump
systems.
Key Areas of Competency Covered
The questions are strategically divided to measure your knowledge across the
most critical domains of heat pump technology:
• Refrigeration Cycle & Components: Grasp the operation of the
reversing valve, suction accumulators, bi-flow filter driers, and scroll
compressors.
• Defrost Controls: Master the different methods of defrosting, including
demand vs. timed-temperature defrost cycles, and how to manipulate
defrost boards.
• Electrical Control & Wiring: Understand system staging, O/B reversing
valve reversing operations, sequencers, auxiliary electric heat strips, and
reading ladder schematics.
1
, • System Charging & Troubleshooting: Practice calculating superheat
and subcooling, identifying true outlet pressures, and maintaining correct
CFM (400-450) across evaporator coils.
• Thermostats & Balance Points: Learn to determine building heat loads,
size for cooling loads, and install/program digital thermostats.
Who Needs This Exam Prep?
• HVAC Students: An indispensable tool for clearing end-of-program
written assessments like the H.E.A.T. Exam.
• Working Technicians: Excellent for those seeking to add the Heat Pump
Installer or Heat Pump Service credentials.
Quiz_________________?
1. An air-to-air heat pump has many of the same components as an air
conditioning system. The major difference is that a heat pump also has a (an); -
Answer
C: reversing valve.
Quiz_________________?
2. What is the difference between "demand defrost" and "timed defrost?" -
Answer
D: demand defrost only happens when needed, and time defrost is on timed
temperature
Quiz_________________?
3. The thermostat that controls the auxiliary electric heat according to the
outdoor temperature is called the; -
2
, Answer
C: outdoor ambient thermostat.
Quiz_________________?
4. The outdoor temperature at which the heat pump provides the same amount
of heat as the heat loss of the conditioned space without auxiliary heat is known
as the; -
Answer
A: initial balance point.
Quiz_________________?
5. At what temperature is an outdoor ambient thermostat normally set? -
Answer
B: At or slightly above the initial balance point.
Quiz_________________?
6. The outdoor coil is frozen solid on a "no heat" service call. The most likely
reason is: -
Answer
D: outdoor fan is inoperative
Quiz_________________?
3
