2.2.6 Conformance with HVAC Zones
Thermal blocks shall conform with the actual HVAC zoning as documented on the construction documents or the as-built drawings. "Conform with" as used here means that thermal blocks shall accurately reflect the actual floor areas of the HVAC zones (i.e., to within 5% of actual square footage), and thermal blocks and HVAC zones should share the same bounding surfaces.
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Book Navigation
- Commercial Buildings Energy Modeling Guidelines & Procedures (MGP)
- Acknowledgments
- 1 Overview
- 2 General Modeling Procedures
- 3 Software Requirements
- 4 Content and Format of Standard Reports
- 5 Energy Costs and Currency Specification
- 6 Building Decriptors Reference
- 6.1 Overview
- 6.2 Project Data
- 6.3 Thermal Blocks
- 6.4 Space Uses
- 6.5 Building Envelope Data
- 6.6 HVAC Zone Level Systems
- 6.7 HVAC Secondary Systems
- 6.8 HVAC Primary Systems
- 6.9 Miscellaneous Energy Uses
- 6.10 On-Site Power Generation
- 6.11 Common Data Structures
- 6.11.1 Schedule
- 6.11.2 Holidays
- 6.11.3 Surface Geometry
- 6.11.4 Opening Geometry
- 6.11.5 Opening Shade
- 6.11.6 Construction Assembly
- 6.11.7 Fenestration Construction
- 6.11.8 Material
- 6.11.9 Slab Construction
- 6.11.10 Exterior Surface Properties
- 6.11.11 Building Shade
- 6.11.12 Utility Rate
- 6.11.13 Occupant Heat Rate
- 6.11.14 Furniture and Contents
- 6.11.15 Reference Position in a Space
- 6.11.16 Two Dimensional Curve
- 6.11.17 Three Dimensional Curve
- 6.11.18 Temperature Reset Schedule
- 6.11.19 Photovoltaic (PV) Panel
- 6.11.20 Contact
- 7 Advanced Modeling Tips
- 7.1 Challenging Building Types
- 7.2 Design Features
- 7.2.1 Automatically Controlled Window Shades
- 7.2.2 Active Chilled Beams
- 7.2.3 Dedicated Outside Air Systems (DOAS)
- 7.2.4 Displacement ventilation
- 7.2.5 Gas Engine Driven Heat Pumps
- 7.2.6 Ground Source Heat Pumps
- 7.2.7 Ice Storage Air Conditioners
- 7.2.8 Radiant Heating and/or Cooling
- 7.2.9 Switchable glazing
- 7.2.10 UFAD
- 7.2.11 Variable Refrigerant Flow
- Download Appendices