1. Home
  2. Modeling Guidelines
  3. 3.0 Building Descriptors Reference
  4. 3.1 Overview
  5. 3.1.1 Standard 90.1 Section G3.2 HVAC System Map

3.1.1.4 Standard 90.1 Section G3.3 Rules for Determining Baseline HVAC System Type

No content for 90.1-2019.

G3.3 Minor Alterations

Baseline HVAC system types shall be the same as the proposed design with the exception that if the proposed design includes variable refrigerant flow heat pumps or single-zone systems with electric resistance heat, then air source heat pumps shall be modeled in the baseline design.