Page 5 - Hong Kong Green School Guide

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Contents
Hong Kong Green Building Council
3.2.3 Rapidly Renewable Materials 64
3.2.4 Waste Sorting & Food Composting Facilities 66
3.2.5 Meal Portioning at Schools 69
3.2.6 Recycled and Upcycled Furniture 71
3.3 Energy Saving 73
3.3.1 Window Films 75
3.3.2 Double Glazing 77
3.3.3 Blinds, Curtains and Automatic Control 79
3.3.4 Solar Tube & Heliostat 80
3.3.5 Air Conditioning Units 82
3.3.6 Energy Efficient Lighting and Smart Control 85
3.3.7 Heat Pump Water Heaters 89
3.3.8 Energy Efficient Lift 91
3.3.9 Energy Efficient Appliances 93
3.3.10 Solar Hot Water System 95
3.3.11 Wind Turbine 98
3.3.12 Photovoltaic (PV) Panel 101
3.3.13 Energy Meters 105
3.3.14 Energy Saving Measures for Swimming Pools 107
3.4 Water Use 109
3.4.1 Water Efficient Fixtures 110
3.4.2 Water Meters 112
3.4.3 Water Efficient Irrigation 114
3.4.4 Rainwater Harvesting and Grey Water Recycling 116
3.5 Indoor Environmental Quality 119
3.5.1 Fresh Air Provision 119
3.5.2 Indoor Air Quality (IAQ) 122
3.5.3 Thermal Comfort 125
3.5.4 Interior Lighting Quality 128
3.5.5 Acoustic Absorption and Isolation 130
3.6 Greenhouse Gas (GHG) Emissions 132
4. Step-by-Step Guide of Green Procurement 136
4.1 Step 1 – Identify Your Need 137
4.1.1 Identify Green Features and Operational Practices 137