Performance Rating for Radiant Output of Gas Fired Infrared Heaters
2.1 Scope. This standard applies to Infrared Heaters that are Gas-Fired High-intensity Infrared Heaters and Gas-Fired Low-intensity Infrared Heaters with inputs up to and including 117.5 kW per burner intended for installation in and heating of outdoor or indoor spaces.
2.1.1 Exclusions. This standard does not apply to heaters that do not radiate their energy into a single measuring plane.