UpCodes logo
Go To Full Code Chapter
Fans shall have a fan efficiency grade (FEG) of not less than 67, as determined in accordance with AMCA 205 by an approved, independent testing laboratory and labeled by the manufacturer. The total efficiency of the fan at the design point of operation shall be within 15 percentage points of the maximum total efficiency of the fan.
Exception: The following fans are not required to have a fan efficiency grade:
  1. Fans of 5 hp (3.7 kW) or less as follows:
    1. 1.1. Individual fans with a motor nameplate horsepower of 5 hp (3.7 kW) or less, unless Exception 1.2 applies.
    2. 1.2. Multiple fans in series or parallel that have a combined motor nameplate horsepower of 5 hp (3.7 kW) or less and are operated as the functional equivalent of a single fan.
  2. Fans that are part of equipment covered in Section C403.3.2.
  3. Fans included in an equipment package certified by an approved agency for air or energy performance.
  4. Powered wall/roof ventilators.
  5. Fans outside the scope of AMCA 205.
  6. Fans that are intended to operate only during emergency conditions.

Related Code Sections

R403.6 [RE] Residential Energy Efficiency, Mechanical Ventilation (Mandatory)
installed to function as a whole house mechanical ventilation system fans shall meet the efficacy requirements of Table R403.6.1. Exception: Where whole ...
C407.2 [CE] Commercial Energy Efficiency, Mandatory Requirements
efficiencies C403.4, except C403.4.3, C403.4.4 and C403.4.5 Heating and cooling system controls C403.5.5 Economizer fault detection ...
R403.6 [RE] Residential Energy Efficiency, Mechanical Ventilation (Mandatory)
Fans used to provide whole-house mechanical ventilation shall meet the efficacy requirements of Table R403.6.1. Exception: Where an air handler ...