HERS RESNET Standards and Policies 2 — Questions and Answers
Question 1: Under RESNET Mortgage Industry National Home Energy Rating Standards, what is the minimum sampling frequency allowed for production builders using the sampling protocol?
- Every 5th home built
- Every 7th home built
- Every 10th home built (Correct answer)
- Every 15th home built
Correct answer: Every 10th home built
RESNET sampling protocol allows production builders to rate 1 in every 10 homes of a repeating floor plan as a minimum sampling frequency.
Question 2: Which RESNET standard specifically governs the accreditation of Home Energy Rating System (HERS) providers?
- RESNET Chapter 1 Standard
- RESNET Chapter 2 Standard (Correct answer)
- RESNET Chapter 3 Standard
- RESNET Chapter 9 Standard
Correct answer: RESNET Chapter 2 Standard
RESNET Chapter 2 Standard establishes the requirements for accrediting HERS providers who oversee rater certification and quality assurance.
Question 3: What must a HERS rater do if they discover a significant discrepancy between the rated features and actual construction during a final inspection?
- Proceed with rating using the original design inputs
- Refuse to issue the rating and leave the site
- Revise the rating inputs to reflect actual conditions (Correct answer)
- Submit the rating as-is and note it in comments
Correct answer: Revise the rating inputs to reflect actual conditions
RESNET Standards require raters to update rating inputs to match actual field conditions discovered during inspections.
Question 4: According to RESNET policy, how long must HERS raters retain rating files and supporting documentation?
- 1 year
- 2 years
- 5 years (Correct answer)
- 10 years
Correct answer: 5 years
RESNET requires HERS raters to maintain rating files and documentation for a minimum of 5 years after the rating is issued.
Question 5: In the RESNET quality assurance framework, what is the role of a 'provider' relative to a HERS rater?
- A provider installs energy-efficient equipment in rated homes
- A provider accredits and oversees HERS raters and their quality assurance (Correct answer)
- A provider purchases the energy ratings from raters for resale
- A provider audits RESNET itself for compliance with federal standards
Correct answer: A provider accredits and oversees HERS raters and their quality assurance
RESNET providers are accredited organizations responsible for certifying, training, and conducting quality assurance oversight of HERS raters.
Question 6: What does RESNET Standard 380-2019 primarily address?
- Procedures for rating manufactured housing
- Methods for measuring airtightness of building enclosures (Correct answer)
- Requirements for HERS rater training curricula
- Protocols for rating commercial buildings
Correct answer: Methods for measuring airtightness of building enclosures
RESNET/ICC 380-2019 establishes standard test methods for measuring the airtightness of building enclosures, ducts, and mechanical ventilation systems.
Question 7: When a HERS rater certifies a home using the confirmed rating pathway, which of the following site inspections is required?
- Foundation inspection only
- Pre-drywall inspection only
- Final inspection only
- Both pre-drywall and final inspections (Correct answer)
Correct answer: Both pre-drywall and final inspections
The confirmed rating pathway requires both a pre-drywall inspection (to verify insulation and air sealing) and a final inspection with diagnostic testing.
HERS RESNET Standards and Policies 2
Under RESNET Mortgage Industry National Home Energy Rating Standards, what is the minimum sampling frequency allowed for production builders using the sampling protocol?