1. C
2. D
3. D
4. B
5. C
6. B
7. A
8. B
9. A
10. B
11. A
12. B
13. B
14. A
15. A
16. B
17. D
18. C
19. A
20. D Practice with the free ESCO - Energy Service Company practice test on PracticeTestGeeks (100+ questions with answer explanations).
Numbers in brackets link to the official sources listed under Sources & last verified. Dates that have passed are removed automatically.
| Item | Detail | Source · Verified |
|---|---|---|
| Number of questions (A2L Low GWP Refrigerant Safety) | 50 multiple-choice questions, closed book[1] | escotesting.com · Oct 24, 2026 |
| Passing score (A2L Low GWP Refrigerant Safety) | 70% (35 of 50)[1] | escotesting.com · Oct 24, 2026 |
| Passing score (EPA Section 608) | 70% per section (18 of 25)[2] | escotesting.com · Oct 24, 2026 |
| Exam fee (A2L Low GWP Refrigerant Safety) | $75 per attempt[1] | escotesting.com · Oct 24, 2026 |
| Exam fee (EPA Section 608) | $85 (Core, Type I, II and III)[2] | escotesting.com · Oct 24, 2026 |
| Retake policy (EPA Section 608) | Retake only failed sections; extra fees apply[2] | escotesting.com · Oct 24, 2026 |
| Validity (EPA Section 608) | Does not expire[3] | ESCO Institute (ESCO Group), an EPA-approved Section 608 technician certifying organization · Oct 20, 2026 |
| Eligibility | Webcam computer, government photo ID, private room (online)[2] | escotesting.com · Oct 24, 2026 |
| Score release | Same day; card mailed next business day[2] | escotesting.com · Oct 24, 2026 |
| Registration deadline | Schedule at least 72 hours ahead to avoid rush fees[2] | escotesting.com · Oct 24, 2026 |
| Testing window (EPA Section 608 (2018 exam)) | 2018 exam available until January 1, 2027[3] | ESCO Institute (ESCO Group), an EPA-approved Section 608 technician certifying organization · Oct 20, 2026 |
According to ESCO Institute (ESCO Group), an EPA-approved Section 608 technician certifying organization, “The Low GWP Refrigerant Safety — A2L Refrigerants exam is a single 50-question, closed-book exam.”[1]
The content areas below are copied from the official ESCO content outline published by ESCO Institute (ESCO Group), an EPA-approved Section 608 technician certifying organization. The right-hand column shows which of our practice sets covers it.
| Official content area | Practice on this site |
|---|---|
| Environmental impact of CFCs, HCFCs, and substitute refrigerants[4] | ESCO EPA Learn how CFCs and HCFCs damage stratospheric ozone, and how substitute refrigerants compare on ozone depletion and global warming potential. |
| Laws and regulations[4] | ESCO EPA Practise the venting prohibition, technician certification types, leak repair requirements and recordkeeping rules until you can tell which rule applies to which equipment. |
| Changing industry outlook[4] | ESCO EPA Review refrigerant phase-outs and the move toward lower-GWP refrigerants, including what that change means for service work. |
| Leak detection[4] | ESCO EPA Practise matching leak detection methods to the situation, and know the signs that a system is losing charge. |
| Recovery Techniques[4] | ESCO EPA Work through vapor versus liquid recovery, the required evacuation levels and how to recover refrigerant from appliances of different sizes. |
| Safety[4] | ESCO EPA Study cylinder handling, pressure hazards, personal protective equipment and the risks of refrigerant exposure in enclosed spaces. |
| Shipping[4] | ESCO EPA Know the labelling and cylinder requirements for shipping recovered refrigerant, and when a cylinder counts as full. |
| Disposal[4] | ESCO EPA Practise the steps required before an appliance is scrapped, including who is responsible for making sure the refrigerant was recovered. |
Prepare for the ESCO - Energy Service Company exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
These are practice questions written for this site, not questions from the real exam. Each explanation shows why the right answer is right and why the others are wrong.
Question: What is the relationship between theory and practice in Energy Service Company performance contracting?
Answer: A. Theory provides the foundation and framework that guides effective practical application
Explanation:
A is correct. In performance contracting, the theory is the engineering and financial model: how a retrofit should cut energy use and how those savings repay the project. That model guides what gets installed, measured and verified in practice. B is wrong because the savings estimate and the field work rely on each other. C is wrong because work without a sound model leads to savings claims that cannot be checked. D is wrong because a model only shows its value when real equipment, real buildings and real operating conditions test it. Rule to remember: on this kind of question, pick the answer that combines both sides. Reject answers that call one side unnecessary or say one side replaces the other.
Question: Which approach is most effective for mastering renewable energy in Energy Service Company?
Answer: A. Combining theoretical study with practical application and regular review
Explanation:
A is correct. Renewable energy topics mix concepts such as resource availability, system sizing and interconnection with practical judgment about specific sites. Studying the concepts, applying them to examples and reviewing regularly builds understanding that you keep. B is wrong because memorized definitions do not help when a question describes a new situation. C is wrong because cramming fades quickly and leaves no time to fix weak areas. D is wrong because job experience is often narrow and may never cover topics the exam tests. Rule to remember: on study-method questions, the right answer usually combines understanding, application and repeated review. Answers with words like only or solely are usually wrong.
Question: What does a demand ratchet clause in a utility tariff do?
Answer: B. Sets billing demand to at least a percentage of the highest peak recorded in the previous months (often 11–12)
Explanation:
B is correct. A demand ratchet sets a floor on billing demand. The utility bills you for either the current month's peak or a set percentage of the highest peak in the previous months (often 11–12), whichever is higher. So one short spike can keep demand charges high long after it happens. A is wrong because it describes a declining-block energy rate, not a demand clause. C is wrong because a seasonal surcharge is a separate tariff feature. A ratchet works all year based on past peaks. D is wrong because customers cannot resell unused demand under a standard tariff. Rule to remember: under a ratchet, avoiding a peak saves money for months, not just on the current bill. That is why peak shaving and load control count for more in an energy project's savings.
Start with the official material. Read the Section 608 outline on ESCO Institute's site, and note which sections you plan to take: Core, Type I, Type II and Type III. Each section is scored separately at 70% (18 of 25). Treat each one as a separate exam to prepare for.
If you are taking the A2L exam, remember it is closed book. Practise recalling facts from memory instead of looking them up.
Interactive ESCO - Energy Service Company resources on PracticeTestGeeks, free to start:
| Pros | Cons |
|---|---|
| Validates your knowledge and skills objectively | Study materials can be expensive |
| Increases job market competitiveness | Exam anxiety can affect performance |
| Provides structured learning goals | Requires dedicated preparation time |
| Networking opportunities with other certified professionals | Retake fees apply if you don't pass |
Try these questions from our free ESCO - Energy Service Company practice tests. The correct answer and an explanation follow each question.
What is the relationship between theory and practice in Energy Service Company energy auditing?
Answer: A. Theory provides the foundation and framework that guides effective practical application
Theory and practice are complementary: theoretical knowledge provides the conceptual framework and understanding that guides effective, evidence-based practical application in professional settings.
For ESCO measurement and verification of water savings, which IPMVP option is best when a submetered water meter is installed on the retrofitted system?
Answer: A. Option B — Retrofit Isolation with continuous measurement
Option B uses continuous metering of the isolated system to directly measure actual consumption before and after the retrofit.
What is the relationship between theory and practice in Energy Service Company building envelope?
Answer: A. Theory provides the foundation and framework that guides effective practical application
Theory and practice are complementary: theoretical knowledge provides the conceptual framework and understanding that guides effective, evidence-based practical application in professional settings.
What is a cooling tower 'cycles of concentration' (COC) and why does it matter for ESCO water projects?
Answer: A. The ratio of dissolved solids in blowdown vs. makeup water; higher COC reduces makeup water consumption
Increasing COC reduces the volume of makeup water required by the cooling tower, directly lowering water and sewer costs.
Take the full ESCO - Energy Service Company practice test
Many readers pair this guide with the esco practice test to check their readiness before exam day.
The number of questions can vary by the specific certifying body, such as the Association of Energy Engineers (AEE). For a credential like the Certified Energy Manager (CEM), you can typically expect around 130 multiple-choice questions over four hours. Our 2026 practice tests are designed to simulate this format and length.
It is a challenging professional-level exam that requires a broad understanding of engineering, finance, and project management principles. Candidates with practical field experience often find it more manageable. Consistent study using a high-quality 2026 practice exam is crucial for success, as the test covers a wide range of technical topics.
To pass on your first attempt, combine theoretical knowledge with practical application using a strong study guide. Use our 2026 practice tests to identify and strengthen weak areas. Focus on truly understanding core concepts like Energy Savings Performance Contracts (ESPCs) and M&V protocols, not just memorizing isolated facts.
The cost for an ESCO-related certification exam, such as the CEM, generally ranges from $400 to $500. This fee can vary based on your membership status with the certifying organization (e.g., AEE) and whether training is bundled. Always check the official body's website for the most accurate 2026 pricing.
PracticeTestGeeks.com offers a FREE, comprehensive ESCO practice test designed to mirror the real exam. Our updated 2026 version includes hundreds of expert-vetted questions with detailed explanations, helping you prepare effectively without any cost. It is an excellent tool to begin your online study plan and assess your readiness.
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