Energy Efficiency Technician Certification
Practice Exam Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary goal of energy efficiency in buildings?
A. Increase energy consumption
B. Reduce energy waste while maintaining performance
C. Eliminate all energy use
D. Maximize equipment size
Answer: B
Rationale: Energy efficiency focuses on reducing unnecessary
energy use while maintaining comfort and system performance.
2. Which unit is commonly used to measure electrical energy
consumption?
A. Watt
B. Volt
C. Kilowatt-hour
D. Ampere
Answer: C
Rationale: Kilowatt-hours (kWh) measure the total energy used
over time.
3. What device measures electricity consumption in a building?
A. Thermostat
B. Energy meter
C. Capacitor
, D. Transformer
Answer: B
Rationale: An energy meter records electrical energy usage in
kWh.
4. What is the purpose of insulation in buildings?
A. Increase airflow
B. Reduce heat transfer
C. Improve lighting
D. Increase humidity
Answer: B
Rationale: Insulation slows heat transfer, improving energy
efficiency.
5. Which type of lighting is most energy-efficient?
A. Incandescent
B. Halogen
C. LED
D. Fluorescent
Answer: C
Rationale: LEDs use significantly less energy and last longer than
other lighting types.
6. What does HVAC stand for?
A. Heat Ventilation and Cooling
B. Heating, Ventilation, and Air Conditioning
C. High Voltage Air Control
D. Heat Variable Air Cycle
Answer: B
, Rationale: HVAC systems control indoor temperature, air quality,
and ventilation.
7. What is an energy audit?
A. Repairing equipment
B. Measuring insulation thickness
C. Assessing energy use and identifying savings opportunities
D. Installing solar panels
Answer: C
Rationale: Energy audits analyze energy consumption to identify
efficiency improvements.
8. Which factor affects a building’s energy efficiency most?
A. Paint color
B. Building envelope
C. Furniture layout
D. Ceiling height
Answer: B
Rationale: The building envelope (walls, roof, windows)
determines heat transfer.
9. What does R-value measure?
A. Electrical resistance
B. Thermal resistance
C. Air pressure
D. Energy consumption
Answer: B
Rationale: R-value indicates insulation’s resistance to heat flow.
10. What is the purpose of a programmable thermostat?
A. Increase energy bills
Practice Exam Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary goal of energy efficiency in buildings?
A. Increase energy consumption
B. Reduce energy waste while maintaining performance
C. Eliminate all energy use
D. Maximize equipment size
Answer: B
Rationale: Energy efficiency focuses on reducing unnecessary
energy use while maintaining comfort and system performance.
2. Which unit is commonly used to measure electrical energy
consumption?
A. Watt
B. Volt
C. Kilowatt-hour
D. Ampere
Answer: C
Rationale: Kilowatt-hours (kWh) measure the total energy used
over time.
3. What device measures electricity consumption in a building?
A. Thermostat
B. Energy meter
C. Capacitor
, D. Transformer
Answer: B
Rationale: An energy meter records electrical energy usage in
kWh.
4. What is the purpose of insulation in buildings?
A. Increase airflow
B. Reduce heat transfer
C. Improve lighting
D. Increase humidity
Answer: B
Rationale: Insulation slows heat transfer, improving energy
efficiency.
5. Which type of lighting is most energy-efficient?
A. Incandescent
B. Halogen
C. LED
D. Fluorescent
Answer: C
Rationale: LEDs use significantly less energy and last longer than
other lighting types.
6. What does HVAC stand for?
A. Heat Ventilation and Cooling
B. Heating, Ventilation, and Air Conditioning
C. High Voltage Air Control
D. Heat Variable Air Cycle
Answer: B
, Rationale: HVAC systems control indoor temperature, air quality,
and ventilation.
7. What is an energy audit?
A. Repairing equipment
B. Measuring insulation thickness
C. Assessing energy use and identifying savings opportunities
D. Installing solar panels
Answer: C
Rationale: Energy audits analyze energy consumption to identify
efficiency improvements.
8. Which factor affects a building’s energy efficiency most?
A. Paint color
B. Building envelope
C. Furniture layout
D. Ceiling height
Answer: B
Rationale: The building envelope (walls, roof, windows)
determines heat transfer.
9. What does R-value measure?
A. Electrical resistance
B. Thermal resistance
C. Air pressure
D. Energy consumption
Answer: B
Rationale: R-value indicates insulation’s resistance to heat flow.
10. What is the purpose of a programmable thermostat?
A. Increase energy bills
