Question 1

What is a HERS Rating (HERS Index)?

Accepted Answer

The HERS Index is the standard measure of home energy efficiency. Lower scores mean higher efficiency. 100 is the benchmark for a standard 2006 home.

Question 2

Is a HERS Rating required for new construction in Massachusetts?

Accepted Answer

Yes. New construction and major renovations in MA require a specific HERS score and passing tests for MA State Energy Code compliance.

Question 3

What is the current HERS score requirement for new homes in MA?

Accepted Answer

Requirements change with the stretch code. Scores range from HERS 55 to HERS 42, depending on permit date and jurisdiction.

Question 4

What specific tests does a HERS Rater perform?

Accepted Answer

Key tests are the Blower Door Test (air tightness) and Duct Leakage Testing. The rater also inspects insulation and mechanical systems.

Question 5

Can a home fail a HERS Rating?

Accepted Answer

Yes. A home fails if it does not meet the minimum HERS score or fails the Blower Door Test (air changes per hour).

Question 6

How does the HERS Rating relate to Mass Save incentives?

Accepted Answer

A HERS Rating is the required document to qualify for high-value Mass Save rebates. The rater verifies performance targets to unlock funds.

Question 7

What Mass Save rebates are available through a HERS Rating?

Accepted Answer

Rebates cover high-efficiency HVAC (heat pumps), insulation, and achieving high performance standards.

Question 8

Can I still get Mass Save incentives if my home is already finished?

Accepted Answer

No. Incentives require Rater involvement during the design/permitting phase to ensure all qualification requirements are met.

Question 9

Do you handle the Mass Save paperwork for me?

Accepted Answer

Yes. As a certified Mass Save Partner, we manage all technical documentation, submission forms, and rebate verification.

Question 10

Do I have to use a specific energy company to qualify for Mass Save?

Accepted Answer

No. Mass Save is a collaboration of energy providers (Eversource, National Grid, etc.). Qualification depends on service territory and program participation.

Question 11

When should I first contact a HERS Rater?

Accepted Answer

Contact a Rater during the design phase (before framing) to review plans, optimize insulation, and identify cost-effective compliance paths.

Question 12

What information do you need for the free 15-minute project review?

Accepted Answer

We need the project address, floor plans, and details on your target systems (HVAC, water heater, insulation) for assessment.

Question 13

What determines the cost of a HERS Rating?

Accepted Answer

Cost is based on home size/complexity, site visits (typically 2-3), and whether specialized testing or complex documentation is needed.

Question 14

How many site visits are required?

Accepted Answer

Standard protocol requires two visits: an interim inspection (pre-drywall) and a final inspection (post-construction) for the Blower Door and Duct Tests.

Question 15

How quickly can I get my final HERS certificate?

Accepted Answer

If all tests pass, the HERS certificate is issued promptly after the final inspection. Delays are only due to failed tests requiring re-inspection.

Question 16

Does a HERS Rating increase my home's value?

Accepted Answer

Yes. Certified efficiency (a low HERS Index score) is highly desirable, helping homes sell faster and at higher prices.

Question 17

What is the difference between a HERS Rating and a home energy audit?

Accepted Answer

A HERS Rating is a standardized certification for new construction/major renos. An energy audit is typically for existing homes to find basic savings.

Question 18

Can I get a HERS Rating on an existing home?

Accepted Answer

Yes, existing homeowners can use a HERS Rating to identify major upgrade opportunities and qualify for efficiency programs.

Question 19

What happens if my home fails the Blower Door Test?

Accepted Answer

We provide guidance on air leak sources and necessary sealing. We then return for a re-test to confirm compliance.

Question 20

Why should I choose The Energy Code Consultant over another rater?

Accepted Answer

We offer expertise specific to MA Code and Mass Save, guaranteeing full compliance and maximizing your incentive funds while keeping your project on schedule.

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HERS Rating & MA Code Compliance FAQ

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