"This Guide is intended for box retail stores ranging in size from 20@000 to 100@000 ft2 but also applies to smaller or larger retail stores with similar space types. The Guide is applicable to general merchandise stores@ specialty retailers@ department stores@ and other types of standalone retail buildings. Space types covered by the Guide include vestibules@ administrative and office areas@ general merchandise sales floors@ fitting/dressing rooms@ specialty sales areas@ corridors and transition areas@ restrooms@ mechanical rooms@ break rooms@ conference rooms@ and stocking areas. This Guide will not cover atypical specialty spaces with extraordinary heat or pollution generation@ such as commercial kitchens or restaurants. This Guide also does not cover large@ centralized refrigeration systems commonly found in grocery stores. The primary focus of this Guide is new construction@ but recommendations may be equally applicable to stores undergoing complete renovation and in part to many other retail renovation@ addition@ remodeling@ and modernization projects (including changes to one or more systems in existing buildings). Included in the Guide are recommendations for the design of the building opaque envelope; fenestration; lighting systems (including electrical interior and exterior lights and daylighting); heating@ ventilation@ and air-conditioning (HVAC) systems; building automation and controls; outdoor air (OA) requirements; service water heating (SWH); and plug and process loads. Additional savings recommendations not necessary for 50% savings are discussed in the ""Additional Bonus Savings"" section of Chapter 5. Chapter 4 contains prescriptive recommendations contained in a single table for each climate zone. These tables do not include all the components listed in ASHRAE/IESNA Standard 90.1. Though this Guide focuses only on the primary energy systems within a building@ the underlying energy analysis assumes that all the other components and systems comply with the minimum design criteria in ASHRAE/IESNA Standard 90.1 and ANSI/ASHRAE Standard 62.1@ Ventilation for Acceptable Indoor Air Quality (ASHRAE 2004b). The recommendations in this Guide are based on typical prototype operational schedules and industry best practices as well as typical costs and utility rates. The operational schedule@ actual costs@ and utility rates of any one project may vary@ and it is encouraged that each specific project have life-cycle cost analysis performed for key design considerations to properly capture the unique project cost and operational considerations. In addition@ the Guide is not intended to substitute for rating systems or references that address the full range of sustainability issues in retail design@ such as acoustics@ productivity@ sales rates@ indoor air quality (IAQ)@ water efficiency@ landscaping@ and transportation@ except as they relate to energy use. Nor is it a comprehensive design text. The Guide assumes good design skills and expertise in retail building design."