HERS Rating Standards & Compliance 3

Question 1

When performing duct leakage testing for a HERS rating, which metric represents total duct leakage to outside the conditioned space?

Accepted Answer

Duct leakage to outside (CFM25 out)

Answer

CFM25 out (duct leakage to outside) measures air escaping the duct system into unconditioned spaces, which directly affects HERS scoring.

Question 2

A RESNET-certified rater discovers mid-inspection that insulation has been installed at a lower R-value than specified. What is the correct action?

Accepted Answer

Document the discrepancy, rate using the as-built value, and notify the Provider

Answer

Raters must document and use as-built conditions in the rating; discrepancies must be reported to the Rating Provider per RESNET quality assurance requirements.

Question 3

Which RESNET standard addresses measurement of airtightness and ventilation airflows in residential buildings?

Accepted Answer

ANSI/RESNET/ICC 380

Answer

ANSI/RESNET/ICC 380 establishes standard test methods for airtightness and mechanical ventilation airflow measurement.

Question 4

For a home rated under ENERGY STAR Certified Homes Version 3.2, what additional requirement beyond HERS Index applies?

Accepted Answer

All mandatory requirements in the ENERGY STAR checklist must be verified

Answer

ENERGY STAR requires both HERS Index compliance AND verification of all mandatory thermal enclosure, HVAC, and water management checklist items.

Question 5

Under RESNET's quality assurance oversight, what percentage of a rater's confirmed ratings must be reviewed by the Rating Provider annually?

Accepted Answer

10%

Answer

RESNET requires Rating Providers to conduct quality assurance reviews on a minimum of 10% of each rater's confirmed ratings annually.

(HERS) Certified Home Energy Rating System Rater Practice Test

(HERS) Certified Home Energy Rating System Rater Practice Test

HERS Rating Standards & Compliance 3