Skip to the main content.

Defining Fan Efficiency Grade

Defining Fan Efficiency Grade

 

A fan efficiency grade (FEG) is a measurement for determining an HVAC fan’s energy efficiency.

The FEG measures the fan ability to convert its shaft or impeller power into air power. It takes the shaft/impeller power and then controls for aerodynamic, mechanical, and acoustic losses, with the result being air power. The equation is as follows: Air Power, Ho ≡ PT Q

The HVAC industry uses FEGs to define any given project’s energy efficiency needs. FEGs let project engineers understand what kinds of fans and shaft power systems they need to look into to meet their clients’ energy efficiency requirements (e.g., to meet LEED Gold).

(Source: DepositPhotos)

<< Return to Glossary

 

 

Unleash the Power of Perimeter Heating: New Perimeter Heaters Provide Warmth and Style

Unleash the Power of Perimeter Heating: New Perimeter Heaters Provide Warmth and Style

Perimeter convectors are commonly called radiators. The true method of heat transfer is convection. Radiators are a necessary evil in many homes,...

Read More
Is Your Building a Good Fit for Converting to Trench Heaters?

Is Your Building a Good Fit for Converting to Trench Heaters?

Building technologies are advancing every day. From smart glass that automatically dims to decrease heat gain from the sun during the day to...

Read More
How to Install Trench Heaters

How to Install Trench Heaters

Architects, builders and engineers are always looking to push the envelope in their commercial building designs. These unique designs capture...

Read More