Interpretation #8176
Published October 18, 2018
Original Request
- Code Version
- 2017
- Code
- MECHANIC
- Code Description
- Chapter
- Section
- Table 403.3.1.1 Minimum Ventilation Rates
- Topic
- Mechanical Exhaust Ventilation
Question
Is mechanical exhaust ventilation required for SFR's that have garages ?
Answer Published 10/18/2018 at 9:59 AM
Firstly, the code cited does not apply to SFR. To answer the question, no; unless the blower door test indicates an air infiltration rate of are less than 3 ach thereby triggering a requirement for whole house mechanical ventilation. (FBC-R R303.4)
Commentary
Refer back to the FBC-Residential, Chapter 15 deals with exhaust systems.