HERS Energy Modeling & Rating Systems

Question 1

What does the HERS Index Score represent?

Accepted Answer

The energy efficiency rating of the home

Answer

The HERS Index Score is a numeric value that measures a home's energy efficiency. Lower scores indicate higher efficiency.

Question 2

Which software is most commonly used in HERS energy modeling?

Accepted Answer

REM/Rate

Answer

REM/Rate is a widely recognized software tool used by certified raters to model home energy performance.

Question 3

What is the benchmark HERS Index Score for a standard new home?

Accepted Answer

100

Answer

A score of 100 is considered the benchmark, representing the energy use of a standard new home built to code.

Question 4

What does a HERS Index Score of 0 indicate?

Accepted Answer

The home is Net Zero Energy

Answer

A score of 0 means the home produces as much energy as it uses annually, also known as a Net Zero Energy Home.

Question 5

What is included in an energy modeling assessment?

Accepted Answer

Building envelope, systems, and orientation

Answer

Energy modeling involves evaluating insulation levels, HVAC systems, windows, orientation, and more to predict energy performance.

(HERS) Home Energy Rater Certification Practice Test