Fan Energy Rating (FER)

Fan Energy Rating (FER) is a government regulated minimum airflow efficiency standard for residential furnace fans and gas packaged units. The FER rating system was developed to help improve energy efficiency in residential heating systems, while also improving indoor air quality by reducing pollutants such as dust and allergens that can be drawn into the home when the fan is running. This rating also helps homeowners save money on their energy bills by ensuring that their furnace or gas package unit is operating at an efficient level.