A Texas Environmental Air Class A exam candidate is inspecting a new residential ventilation system. The system is designed to provide continuous air exchange. Which of the following is a minimum requirement for the air exchange rate as specified in the 2024 IMC?
- A0.35 air changes per hour
- 0.5 air changes per hour
- C0.75 air changes per hour
- D1.0 air changes per hour
Exam tip
Always check the specific code section for the most accurate requirements.
Why B is correct
The 2024 IMC requires a minimum of 0.5 air changes per hour for continuous air exchange in residential ventilation systems, making option B the correct answer. Options A, C, and D exceed the minimum requirement and are not necessary for compliance.