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CVI practice questions - frequently asked questions

Plain answers about how CVI Exam Prep works: the exam, the questions, pricing, the free trial, and what you actually get.

No - and you should be wary of any site claiming otherwise. Every question here is original, written to mirror the style, difficulty, and judgment the real CVI exam tests. Each one comes with a plain-language explanation of why the right answer is right and the others aren't.

The CVI exam spans 5 domains: Understand HVAC Systems and Components (30% of the exam); Industry Standards and Guidelines (10% of the exam); HVAC and Indoor Air Quality (10% of the exam); Performing an Inspection (40% of the exam); Risk Management (10% of the exam). Every practice question on this site is tagged to one of these domains.

The domains are not weighted equally on the exam. By share of the marks: Performing an Inspection 40%; Understand HVAC Systems and Components 30%; Industry Standards and Guidelines 10%; HVAC and Indoor Air Quality 10%; Risk Management 10%.

The CVI exam has 150 questions and is completed in 3 hours 30 minutes. Our timed practice mirrors that length and pacing, so exam day feels familiar.

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