// CODE SNIPPET
N1103.6 (R403.6) Mechanical Ventilation (Mandatory)
JUMP TO FULL CODE CHAPTER
Fans used to provide whole-house mechanical ventilation shall meet the efficacy requirements of Table N1103.6.1.
Exception: Where an air handler that is integral to tested and listed HVAC equipment is used to provide whole-house mechanical ventilation, the air handler shall be powered by an electronically commutated motor.
|FAN LOCATION||AIR FLOW RATE MINIMUM |
|MINIMUM EFFICACY |
|AIR FLOW RATE MAXIMUM |
|HRV or ERV||Any||1.2 cfm/watt||Any|
|Range hoods||Any||2.8 cfm/watt||Any|
|In-line fan||Any||2.8 cfm/watt||Any|
|Bathroom, utility room||10||1.4 cfm/watt||< 90|
|Bathroom, utility room||90||2.8 cfm/watt||Any|
For SI: 1 cubic foot per minute = 28.3 L/min.
- When tested in accordance with HVI Standard 916.