1. Sustainable Buildings are Valuable. 1.1 HVAC Has an Impact on Property Value and Profitability -- 1.2 High Performance Buildings Reduce Workplace Related Costs -- 1.3 Low Energy Use and Renewable Sources Save the Environment -- 1.4 The Water Efficiency of a Building is Vital in Many Ways 2. Tenants Prefer Healthy, Comfortable and Energy Efficient Buildings. 2.1 Target Values for Indoor Environment -- 2.2 Healthy Indoor Air Quality -- 2.3 Comfortable Thermal Environment -- 2.4 Requirements for the Acoustic Environment Vary -- 2.5 Lighting and Daylight: High Performance with Low Energy Use 3. Hvac Systems and other Technical Solutions for Sustainable Buildings. 3.1 Room Systems for Ventilation, Cooling and Heating -- 3.2 HVAC Systems Equipment -- 3.3 HVAC Operations as Part of Building Envelope -- 3.4 Energy Technologies