About NRT Exam Prep
An independent practice platform for the RESNET National Rater Test (NRT) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the NRT exam
The RESNET National Rater Test (NRT) exam is organized into 11 knowledge domains. It has 55 questions and is completed in 2 hours. Each domain makes up a different share of the exam, so the most efficient way to prepare is to know where the weight sits and practice accordingly:
- General7.7% of the exam
- Health and Safety10.0% of the exam
- Building Science Topics9.7% of the exam
- Insulation9.7% of the exam
- Heating and Cooling Systems9.7% of the exam
- Domestic Water Heating Systems7.7% of the exam
- Appliances and Lighting7.0% of the exam
- Air Leakage10.7% of the exam
- Conditioned Air Distribution Systems9.7% of the exam
- Ventilation8.7% of the exam
- RESNET Rating System9.7% of the exam
Every practice question on this site is organized across these 11 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.