Scoring Methodology

• How Are Homes Scored?
  • Scale
  • Compensating for differences in home size and location?
  • The Home Energy Score Scale: Bin Definitions
  • Site to Source Conversion Factors
  • Accounting for Residential Solar Installations
  • Cost Savings: What utility rates are assumed?
  • Carbon Savings: Carbon Conversion Factors
• Recommendations
• Models
  • Heating and Cooling
  • Water Heater Model
  • Infiltration Model
  • Weather
  • Model Defaults
• User Inputs
• API Access
  • Use
  • Access
  • Programming
  • Testing
  • Certification