The annuallighting cost for that facility was over $8,200.On a watt per square foot basis, the restaurants averaged1.55 watts per square foot. The range was from .44 wattsper square foot to 4.40 watts per square foot.One facilityused compact fluorescent bulbs in the dining area.In Florida restaurants, the availability of air-conditioningis highly essential to business. Lost efficiency in air-conditioning was examined.989,reported the annual Btu per square foot nationwide is590,000 Btu. The 46 restaurants in this study averaged512,568 Btu per square foot.Claar et al. 1985, made a series of general observations inrespect to energy conservation opportunities in their exten-sive end-use monitoring project of restaurants.