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How Our Practice Exam Works?

Study wherever, whenever with these quiz practice questions for CEM:

Pick a Mode

Pick a Mode

You can choose Study Mode for course preparation and Exam Mode (timed 90-minute) for simulation.

Realistic Mix

Realistic Mix

CEM exam questions reflect both multiple-choice and scenario/performance-style prompts aligned to exam objectives.

Detailed Explanations

Detailed Explanations

Every question includes a clear explanation, so you know why an answer is correct.

Domain Analytics

Domain Analytics

See strengths/weaknesses by the domains & sub-topics to focus your revision.

Reattempts

Reattempts

Retake Certified Energy Manager (CEM) practice exam to improve your speed and accuracy; watch your score trend toward the benchmark.

Exam Simulator

Exam Simulator

Get a feel for the real exam with our Association of Energy Engineers (AEE) practice test.

Why Choose PrepHOW for CEM Practice Questions

Train the way you'll be tested. With the most clinically accurate, expertly written question bank, you’ll build the speed, accuracy, and confidence needed to pass the Certified Energy Manager (CEM) on your first attempt.

  • 1. Practice & Exam modes to switch between learning and testing
  • 2. Detailed answer explanations for every question
  • 3. Instant scoring & feedback to show what you missed and why
  • 4. Smart dashboard to track strengths, weaknesses, and progress
  • 5. Study anywhere with mobile-friendly design
  • 6. Updated CEM questions bank to match the latest exam changes
  • 7. Free practice test to start - no credit card required

Real Exam Feel

Mock Exam/Study modes, question flagging, and instant or end-of-exam feedback.

Smarter Analytics, Faster Improvement

Trend charts so you can see when you're consistently above the passing scrore.

Quality You Can Trust

Clear, teach-back explanations with why the correct answer is right and why others aren't.

Frequently Asked Questions

What is the CEM certification and why should I pursue it?

The Certified Energy Manager (CEM) certification is a professional credential offered by the Association of Energy Engineers (AEE) that validates your expertise in energy management. It demonstrates you have comprehensive knowledge of energy auditing, economics, HVAC systems, and energy efficiency practices. Many energy professionals pursue it to advance their careers, meet job requirements, or establish credibility in the field.

What are the eligibility requirements to sit for the CEM exam?

Eligibility for CEM certification is based on a combination of education and verified experience in energy engineering or energy management. Requirements typically include:

  • Four-year Engineering or Architecture degree plus 3 years of relevant experience.
  • Four-year Business or related degree plus 5 years of relevant experience.
  • Two-year Technical degree plus 8 years of relevant experience.
  • No degree but 10 or more years of verified experience.

What is the format and structure of the CEM exam?

The CEM exam is a 4-hour, closed-book, proctored test consisting of 110 multiple-choice questions. The questions are designed to test your applied knowledge across the entire body of knowledge for energy management.

What topics or areas does the CEM exam cover?

The exam covers a wide range of subjects critical to energy management, including:

  • Energy Accounting and Economics
  • Electrical Systems
  • HVAC Systems and Building Envelope
  • Industrial Systems (Motors, Compressed Air, Steam)
  • Building Automation and Control Systems
  • Thermal Energy Storage
  • Boilers and Thermal Systems
  • Lighting Systems
  • Renewable Energy
  • Energy Procurement and Risk Management
  • Maintenance & Commissioning

How do I apply for the CEM exam?

You must apply directly through the Association of Energy Engineers (AEE). The process involves submitting an application that details your education and work experience for verification, along with the required fees. Once your application is approved, you will receive an eligibility notice to schedule your exam.

How do I prepare for the CEM exam?

Most successful candidates use a combination of study methods. The AEE offers official training seminars and Prephow CEM study materials. Many people also use practice exams to familiarize themselves with question formats and identify weak areas. Plan for 2-3 months of dedicated study time, focusing on areas where you have less practical experience. The CEM Body of Knowledge guide is essential reading.

Can I take the CEM exam online or remotely?

Absolutely, it's proctored remotely from home with strict rules like webcam monitoring and no extra screens. You can also test in-person at training sites or centers. Schedule through AEE after applying.

What career opportunities does CEM certification open up?

CEM certification is recognized across industries including commercial buildings, manufacturing, utilities, government, and consulting. It can qualify you for roles like energy manager, sustainability coordinator, energy consultant, facility manager, or energy analyst. Many employers prefer or require CEM certification for senior energy management positions, and it often correlates with higher salary potential in the field.

Trusted By 1.2K+ Peoples

Discover how our CEM practice tests have empowered countless students to pass their exams with ease.

Seven Kemp

Seven Kemp

The Prephow CEM practice questions helped me get comfortable with load calculations and energy auditing steps. The questions felt close to the real format. I walked into the exam with a lot more confidence and ended up passing.

Anika Ward

Anika Ward

I struggled with renewable energy calculations, but the study material from Prephow made the concepts click. They also highlighted where I needed more work. That made a real difference on exam day.