Retrofitting

With the advent of increased outside-air requirements to combat indoor- air quality problems — in some cases requiring 15 to 20 ft3/min per occupant — the volume of outside air introduced to many buildings will […]

The most common system of choice for central outside-air systems — those in which a large volume of fresh air is tempered at a central location, for distribution throughout a building — are desiccant-based enthalpy […]

A fourth of all electricity sold in the United States is used for lighting. Most of this lighting is used in stores, offices, warehouses, and factories. It is strange, then, that conserving energy with lighting […]

It’s key for management to show a formal recognition of, and commitment to, lighting-efficiency standards. Since lighting renovations are long-term undertakings involving incremental improvements rather than one-time fixups, lighting upgrades can lose momentum unless the […]

The majority of the traditional lighting projects are automated— lower- wattage lamps, lighting controls, and minimal footcandle levels—and do not require any other activity on the part of the users. Even with these projects in […]