HERS Rater Certification Requirements

A certified home energy rater must successfully complete training by a RESNET Accredited Rater Training Provider and must be certified by a RESNET Accredited Rating Provider.

A rater must successfully complete training by a RESNET accredited rater training organization. The training is conducted in accordance with a syllabus developed by RESNET. The training addresses:

  • Basic principles of building science (i.e., viewing the home as a system)
  • Thermal resistance of insulation materials
  • The minimum rated features for buildings
  • Blower door testing procedures
  • Duct leakage testing procedures
  • Variations in construction types and their ramifications
  • Types and efficiencies of windows
  • Types and efficiencies of heating, cooling, water heating, and lighting systems
  • Types and characteristics of space conditioning and domestic hot water distribution systems
  • Types of thermostatic controls
  • Determination of air leakage
  • Determination of fuels used by major appliances
  • Utility rate structures
  • On-site inspection procedures
  • Producing a scaled and dimensioned drawing of a home
  • Calculating the area of rectangles, triangles, circles, ovals and combinations of these shapes
  • Calculating the volume of boxes, pyramids, spheres, and other geometric shapes
  • Completing a home energy rating checklist or entering data into a home energy rating software program
  • Completing a home energy improvement analysis or entering data into a home energy rating software program that performs improvements analysis
  • Basic knowledge of financial incentive programs and energy efficient mortgages
  • Communicating the benefits of energy saving measures and practices to the consumer
  • Quality assurance

Certified Raters must also pass all required examinations that demonstrate a practical, working ability to effectively use the knowledge and skills set contained in Chapter Two of the RESNET Standards.