Retrofitting

The engineering design of a complex building is usually divided into several disciplines: HVAC, electrical, plumbing, and fire protection. Each area is budgeted a certain amount in time as part of the project manager’s completion […]

Two kinds of fans are used in HVAC applications: centrifugal and axial. Centrifugal fans can generate higher pressures, such as those needed to overcome the high resistance of duct systems, while axial-flow fans can deliver […]

Modification of existing incandescent fixtures is a good source of savings because, for a given light output, they use more watts of energy than fluorescent lamps. Fluorescent lamps are over five times more efficient than […]

A little more information on how lighting calculations are performed will help an understanding of the lighting projects to be discussed. The fundamental equation for the zonal cavity method is as follows: RcR = 5 […]

It’s important before beginning a major lighting retrofit project to first become familiar with the lighting environment of your business. Doing one or two of the less costly maintenance-type projects is an excellent way to […]