phius CORE Prescriptive 2021 Snapshot  
Input or select data in orange cells
      State  
 
      City  
 
      ASHRAE Climate Zone    
      iCFA* (ft2)    
      Number of Bedrooms*    
      Number of Stories    
          *per dwelling unit      
    1. GENERAL            
    1.1.2  iCFA divided by Number of Bedrooms Maximum Limit     ft2   
          (Calculated Value based on Inputs)     ft2   
    3. COMPACTNESS            
    3.1  Maximum Envelope Area       ft2  
          (Maximum Envelope to Floor Area Ratio)          
    4. SOLAR PROTECTION  
    4.1.1  Maximum Whole Window SHGC        
    4.4.1  Projection Factor for Fixed Overhangs        
    5. HEAT TRANSMISSION  
    5.1.1a  Fenestration/Openings Maximum Whole Component U-Value     (BTU/h.ft2.°F)  
    5.1.1b  Walls & Overhang Floors Minimum Effective R-Value     (ft2.°F.h/BTU)  
    5.1.1c  Roofs, Ceilings Minimum Effective R-Value     (ft2.°F.h/BTU)  
    5.1.1d  Whole Slab Foundations & Below-Grade Walls and Floors of Conditioned Basements and Crawl Spaces Minimum Effective R-Value     (ft2.°F.h/BTU)  
    5.1.1e  Ceilings of Unconditioned Basements or Crawl Spaces, and Pier and Beam Floors Minimum Effective R-Value     (ft2.°F.h/BTU)  
    6. MOISTURE RISK LIMITATION  
    6.2.1  Minimum Fenestration Condensation Resistance        
    7. MECHANICAL VENTILATION  
    7.2.1  Minimum Sensible Recovery Efficiency, Heating Mode        
    7.2.2  Minimum Total Recovery Efficiency, Cooling Mode        
    7.2.5  Maximum Total Length of Fresh Air Ducts to Outside     ft  
    8. MECHANICAL SYSTEMS  
    Select System Type    
     
    8.2  System Efficiency        
           
               
    *NR = No Requirement            
    For further details, please see the phius 2021 CORE Prescriptive Checklist.