…QualityPerformance. Increase ventilation rates by 30% above ASHRAE 62.1-2007 CASE 2. Naturally Ventilated Spaces Design natural ventilation systems for occupied spaces to meet the recommendations Note: energy efficiency may be negatively set forth in the Carbon Trust's Good Practice Guide z37 (1998). Determine that natural affected. ventilation is an effective strategy for the project by following the &w diagram process shown in Figure 138 of the Chartered Institution of Building Services Engineers (CIBSE) Applications Manual to: zoos…