HOLYOKE, Mass.--Stevens Roofing Systems of Holyoke has released its Life Cycle Costing Kit in response to the growing industry demand for energy and cost-efficient buildings, and an increased focus on environmental issues. The kit defines the variables necessary for an effective long-term cost/benefit analysis of a commercial roofing system. Besides installation, maintenance, and repair costs, building owners must consider the impact that the roof has on energy costs for a true life-cycle analysis. Included in the kit are worksheets for the life cycle energy cost analysis of specific roofing systems and for energy efficient comparisons of competitive roofing systems. The kit is available free of charge to commercial building owners, facility managers, architects, and specifiers. For more information, phone (877) TPO-ROOF or email info@stvroof.com.