Using Keene "Director" fixtures, a Rotterdam, New York, school will save over $16,000 annually and have improved classroom light. These fixtures will pay for themselves in 3-4 years, halving the wattage used per square foot; they direct 40 percent of their light upward to provide uniform, glare-free lighting. (MCG)

Merrimack College in North Andover (Massachusetts) has reduced the cost of lighting its physical education center by over 70 percent; the new lighting system, which uses metal halide lamps, has also doubled the illumination in the building, attracting revenue-producing activities. (MCG)

The same form of lighting will not be effective in all areas of a school facility. Factors to be considered include physical and psychological effects, visual requirements, and cost. A chart illustrates type of lamp, output/energy ratio, light "quality," and applications. (MLF)

A new sliding insulated panel reduces window heat loss up to 86 percent, and infiltration 60-90 percent, paying for itself in 3-9 years. This article discusses the panel's use and testing in the upper Midwest, reporting both technical characteristics and users' reactions. (MCG)