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## FREE HERS RATER PRACTICE EXAM## GET THE NEWSLETTER |
## HERS Rater Field Exam - Pa, CFM, CFM50, CAZ, Draft, Room Pressure
Self check - see if you can answer these questions from memory:
- How are room pressures are different from worst case?
- How is CAZ is different from worst case?
- What is the formula for ACH50?
- What is the formula for CFM50? (Answer - there is none)
- What are the steps to calculate the BAS for a home?
- What are the steps to put a home under worst case conditions?
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