EPA 608 CERTIFICATION EXAM PREP 2026 |
UNIVERSAL, TYPE I, II & III PRACTICE QUESTIONS AND
STUDY GUIDE | HVAC REFRIGERANT HANDLING, CORE
SECTION REVIEW, LATEST UPDATED QUESTIONS WITH
VERIFIED ANSWERS
EPA 608 Exam Sample
1. What is the primary purpose of the EPA 608 certification?
• A) To regulate electrical safety
• B) To certify technicians handling refrigerants
• C) To oversee indoor air quality
• D) To monitor environmental pollution
Correct Option: B
Rationale: The primary purpose of the EPA 608 certification is to certify technicians who handle
refrigerants, ensuring they understand the proper methods of refrigerant management and the
environmental impact.
2. Which of the following refrigerants is considered a greenhouse gas?
• A) R-22
• B) R-134a
• C) R-410A
• D) All of the above
Correct Option: D
Rationale: All the listed refrigerants—R-22, R-134a, and R-410A—are considered greenhouse
gases contributing to global warming.
3. What is the maximum allowable pressure for recovery tanks in the U.S.?
• A) 10 psig
• B) 60 psig
• C) 80 psig
, • D) 90 psig
Correct Option: C
Rationale: The maximum allowable pressure for recovery tanks in the U.S. is 80 psig, according
to EPA regulations.
4. What is the main method used for refrigerant recovery?
• A) Evaporation
• B) Vacuum
• C) Compression
• D) Transfer through solid phase
Correct Option: B
Rationale: Vacuum is the main method used for refrigerant recovery, as it helps in removing
refrigerant from the system safely.
5. How often must technicians renew their EPA 608 certification?
• A) Every year
• B) Every 2 years
• C) Every 3 years
• D) No renewal is required
Correct Option: D
Rationale: Once obtained, the EPA 608 certification does not expire and does not require
renewal.
6. What is the first step in recovering refrigerant?
• A) Disconnect power
• B) Identify the refrigerant type
• C) Open the service valve
• D) Evacuate the system
Correct Option: B
UNIVERSAL, TYPE I, II & III PRACTICE QUESTIONS AND
STUDY GUIDE | HVAC REFRIGERANT HANDLING, CORE
SECTION REVIEW, LATEST UPDATED QUESTIONS WITH
VERIFIED ANSWERS
EPA 608 Exam Sample
1. What is the primary purpose of the EPA 608 certification?
• A) To regulate electrical safety
• B) To certify technicians handling refrigerants
• C) To oversee indoor air quality
• D) To monitor environmental pollution
Correct Option: B
Rationale: The primary purpose of the EPA 608 certification is to certify technicians who handle
refrigerants, ensuring they understand the proper methods of refrigerant management and the
environmental impact.
2. Which of the following refrigerants is considered a greenhouse gas?
• A) R-22
• B) R-134a
• C) R-410A
• D) All of the above
Correct Option: D
Rationale: All the listed refrigerants—R-22, R-134a, and R-410A—are considered greenhouse
gases contributing to global warming.
3. What is the maximum allowable pressure for recovery tanks in the U.S.?
• A) 10 psig
• B) 60 psig
• C) 80 psig
, • D) 90 psig
Correct Option: C
Rationale: The maximum allowable pressure for recovery tanks in the U.S. is 80 psig, according
to EPA regulations.
4. What is the main method used for refrigerant recovery?
• A) Evaporation
• B) Vacuum
• C) Compression
• D) Transfer through solid phase
Correct Option: B
Rationale: Vacuum is the main method used for refrigerant recovery, as it helps in removing
refrigerant from the system safely.
5. How often must technicians renew their EPA 608 certification?
• A) Every year
• B) Every 2 years
• C) Every 3 years
• D) No renewal is required
Correct Option: D
Rationale: Once obtained, the EPA 608 certification does not expire and does not require
renewal.
6. What is the first step in recovering refrigerant?
• A) Disconnect power
• B) Identify the refrigerant type
• C) Open the service valve
• D) Evacuate the system
Correct Option: B
