NGBS vs. ENERGY STAR for Multifamily Projects
NGBS Green and ENERGY STAR Multifamily New Construction can both be part of a multifamily project. They cover different ground, so the choice starts with what the building needs to achieve and what its approvals require.
NGBS Green evaluates a broad set of green building practices, including energy and water use, materials, indoor environmental quality, site planning, and building operation. ENERGY STAR Multifamily New Construction focuses on energy performance, with mandatory design requirements and field verification. A project may need one certification or both.
What does your project need to meet?
Check the project approvals and funding documents before choosing a program. They may name a certification, a specific level, or an energy target. Record those commitments alongside the owner's goals. A program that suits one development may not satisfy the next project's requirements.
How do the programs differ?
NGBS Green uses mandatory practices and points across six categories. Its Bronze, Silver, Gold, and Emerald levels require progress across the categories, rather than a high score in energy alone. Home Innovation Research Labs administers certification. See the NGBS Green program resources for the applicable standard and scoring tools.
ENERGY STAR offers Prescriptive, ERI, and ASHRAE compliance paths for multifamily new construction, subject to program eligibility. Each path includes mandatory requirements that an approved Rater verifies in the field. Use EPA's multifamily program requirements to confirm the version and revision that apply to the location and project timing.
Plan inspections before walls close
NGBS Green verification includes inspections before drywall and after construction. ENERGY STAR also requires design review and field checks; the selected path determines the documentation and testing involved. Have the verifier or Rater identify the visits your schedule needs, who will supply each record, and what must remain visible for inspection.
Choose the path while changes are practical
Review the certification plan before equipment orders and construction details are fixed. A late change can affect specifications or leave the team without evidence of work already covered up. If construction has started, share the current drawings and site status with the certification team before making new commitments.
Can a project pursue both?
Yes, where the building is eligible and both programs support the project requirements. Coordinate the work early so the team can share useful records and plan visits together. Each certification still has its own requirements and review process.
Which one costs less?
Compare proposals against the same building design and certification scope. Ask what each fee includes, such as modeling, inspections, testing, program fees, and follow up visits. The least expensive proposal may leave work for another consultant or contractor, so check the full scope before choosing.
Talk through the options with Oxalis
Send us the project location, building type, current drawings, and any certification commitments. Oxalis can help compare the available paths and plan the verification work. Discuss your project with an Oxalis advisor.
