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Book Data

ISBN: 9780976491132
Year Added to Catalog: 2009
Book Format: Paperback
Book Art: 87 black & white
Dimensions: 8 x 10
Number of Pages: 264
Book Publisher: Green Building Press
Old ISBN: 0976491101
Release Date: December 8, 2009
Web Product ID: 483

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Table of Contents

List of Figures xiii

Acronyms and Abbreviations xvi

Foreword xix

Preface xxi

Chapter 1 What’s It All About? 1

Why ZEH? 1

Which Energy Use? 2

  • Components of household energy use 3
  • Personal transportation 4
  • Other components of household energy use 5
  • So, what to include? 7

What Does It Mean To Be Net-Zero Energy? 8

  • Off-grid, on-grid? 8
  • Where is the energy produced? 9
  • How is the energy measured? 10
  • Choosing a definition 13

How Do You Get There? 16

Chapter 2 Net-Zero Home Economics 19

Making Choices Instead of Paying Premiums for Greener Buildings 20

Net Cost of Ownership – Who Pays, Who Benefits? 27

  • Homeowner-builder/long-term owner 28
  • Speculative builder 29
  • Multifamily affordable housing projects 31
  • Bottom line 34

Other Multifamily Findings 34

Incentives and Innovative Financial Arrangements 35

Payback – the Relative Cost-efficiency of Various Options 36

  • First, the conventional wisdom 36
  • A contrarian view 37
  • What about your project? 38
  • Relative cost-effectiveness 41

CHAPTER 3 Integrated Design 45

What Is Integrated Design, and Why Does It Matter? 45

The Integrated Process 47

Phases of the Process 49

  • Phase 1. Setting Goals 50
  • Phase 2. Building Your Team 52
  • Phase 3. Launching the Process 58
  • Phase 4. Promoting Teamwork 60
  • Phase 5. Working through the Design 66

Does Integrated Design Cost More? 69

A Footnote about Construction 71

CHAPTER 4 Minimize the Energy Your Building Needs 73

The Basics 73

  • Size matters 73
  • Form factors: the influence of context 75
  • Siting 77
  • Massing 77
  • Orientation 77

Enclosure Design 78

  • What is a Passive House? 79
  • Air sealing 81
  • Walls, roofs, and floors 86
  • Foundations 94
  • Doors and windows 95
  • Assemblies and layering 101

Comfort Strategies and Systems 103

  • Heating 106
  • Cooling 115

Prioritizing Elements 122

Hot Water 126

  • Water heating equipment 126
  • Hot water delivery 129
  • Drain water heat recovery 130
  • Hot water use 131
  • Multifamily considerations 131

CHAPTER 5 Minimize the Occupants’ Energy Needs 137

Major Appliances 138

  • Induction cooktops 138
  • Refrigerators 140
  • Dishwashers 141
  • Clothes washers and dryers 142

Lighting 145

  • Fixtures 147
  • Table and standing lamps 150
  • Controls 151
  • Using your lights 151

Water Use 152

  • Bathrooms 152
  • Kitchens 154
  • Gardens 154
  • Pools and spas 156
  • Using less 157

Household Gadgets 157

  • Be aware and buy wisely (or not at all) 159
  • After buying: tips for minimizing plug loads 161

Automation 162

Managing Heating and Other Systems 164

Monitoring and Behavior 165

  • Simple plug-in electric meters 166
  • Whole-home electricity monitors 167
  • Smart electric metering dashboards 167
  • Multi-system dashboards 168

Occupant Education 171

CHAPTER 6 Power the Rest 175

Solar Hot Water 177

  • Do you need separate storage? 179
  • Estimating hot water demand and storage 180
  • Estimating collector size 181
  • Choosing a collector 182
  • Passive or active? Open loop or closed? 183
  • Should you include a solar thermal system? 184
  • Other applications 186

Renewable Electricity 187

  • Fuel choices: all-electric? 187

Solar Electricity: Photovoltaics 189

  • PV options 190
  • System sizing 192

Wind Turbines 196

  • Building-integrated wind 198
  • Turbine selection 200

Backup Power 202

Hybrids 203

Other Options 203

Choosing a Renewable System 203

Community Issues 204

APPENDIX A Resources / Bibliography 209

APPENDIX B Case Study Resources 221

APP ENDIX C National High-Performance Home Programs 227

APP ENDIX D Green Building Advisor 231


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