HERS ratings

Understand how your home uses energy. Our HERS rating services coordinate the model inputs, inspections, and testing needed to assess its performance.

How a HERS rating helps your project

A HERS rating uses an energy model, inspections, and testing to measure a home's energy performance. Oxalis helps your team gather the building information, coordinate field work, and understand what the rating means for your project.

Who we work with

  • Homebuilders and developers
  • Multifamily and residential project teams
  • Affordable housing programs
  • Homeowners who need a HERS rating

What your rating includes

  • Review of the rating scope and project records
  • Coordination of energy model inputs
  • A field inspection schedule
  • Coordination of diagnostic testing
  • Rating documentation and help resolving outstanding issues

From plans to the final rating

  1. Confirm the rating purpose, project type, plans, and schedule.
  2. Gather the building and system information needed for the energy model.
  3. Schedule inspections before construction covers the items that need checking.
  4. Complete or coordinate the required diagnostic testing.
  5. Resolve outstanding issues and finalize the rating records.

Common questions

What is a HERS Index score?

The HERS Index compares a home's energy performance with a reference home. A lower score means greater energy efficiency. Your project may also need to meet a specific program, code, or funding requirement. See RESNET's explanation of the HERS Index.

When are inspections needed?

The timing depends on your rating scope. Some conditions need to be checked before insulation, drywall, or other work covers them. Contact Oxalis early so those visits can fit the construction schedule.

Can a HERS rating support certification?

Yes, depending on the program. Rating data and field verification may help satisfy certification, energy code, incentive, or funding requirements. Oxalis can review what your project needs.

Let’s make the next step clear.

Tell us what you’re building, where it is located, and which certification requirements you are working through.