There are many reasons for air-conditioning schools and among them are--(1) the improvement of learning and teaching efficiency, (2) effective use of the educational plant for a greater part of the year, and (3) more efficient use of space through compact building design. Five climate control techniques are cited as providing optimum…

Several types of refrigeration systems available to the consulting engineer are discussed. The engineer should analyze all energy sources and base his recommendations on comparative costs and availability of sources, keeping in mind that operating costs are of primary importance to schools. The analysis begins with a careful appraisal of the…