Saturday, August 3, 2019

Chapter 9: Heating, Ventilation and Air-Conditioning (HVAC)

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The energy requirements of the building code that apply to HVAC installations (ECCCNYS Section 503) are in addition to any plumbing, mechanical, and fuel gas codes that apply to these systems. Although it is generally the HVAC installer’s responsibility to follow these requirements, because they are in the building code it may be up to the builder to know what they are and to communicate them to the subs for a given project. Here’s a summary of the HVAC requirements. Remember that these requirements generally apply to all residential buildings, but more complex mechanical systems typically found in multifamily residences may have to meet additional requirements—see ECCCNYS Section 503 for more detail.

Energy Code Requirements
• Heat loss calculations and system sizing (ECCCNYS 503.3.1 and Chapter 3)
• HVAC system efficiencies
• Heating system trade-offs
• HVAC controls (ECCCNYS 503.3.2 and 503.3.3.5)
• Duct and pipe insulation
• Duct sealing
• Written materials
1. Mechanical Ventilation
2. How Much Ventilation?
3. Other Ventilation Rate Considerations
4. Types of Ventilation Systems
5. Other HVAC recommendations
6. Going Further

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