About CRES Exam Prep
An independent practice platform for the Certified Refrigeration Energy Specialist (CRES) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the CRES exam
The Certified Refrigeration Energy Specialist (CRES) exam is organized into 5 knowledge domains. It has 135 questions and is completed in 3 hours. Here is what it covers:
- Refrigeration system concepts, components, and functions in safe operations, including performance, measurement, Process Safety Management (PSM) and Risk Management (RM)
- Energy Efficiency Basics: Concepts, calculations, conversions, efficiency opportunities, measuring and tracking energy use, energy mapping
- Refrigeration Best Practices: Instrumentation, calibration, controls, design, and sizing characteristics, defrost cycles, refrigeration loads
- Managing non-refrigeration system energy use such as lighting, compressed air and pumps
- Facility Energy Management: Set and monitor key performance Indicators, measurement to improve energy efficiency, creating incentives and opportunities to improve energy efficiency
Every practice question on this site is organized across these 5 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.