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Contact James with any questions about this program.
(202) 821-3734



January 2019: MFNC available for use. A building that complies with all MFNC requirements, regardless of construction permit date, can be certified.

July 2021: MFNC required for buildings with permit dates of July 1, 2021 and later.



Single Family homes will continue to utilize ENERGY STAR V3.1.


Multifamily projects will be required to utilize ENERGY STAR Multifamily New Construction program.  

Single family homes are defined as detached homes, two-family dwellings, townhomes (IRC definition).

A townhome is a single-family dwelling unit constructed in a group of three or more attached units, each unit extends from foundation to roof and with open space on at least two sides. Townhomes may choose to use the Multifamily New Construction Checklists as well, but they must use the ERI Path and Certified Homes Reference Design.

Decision Tree

OLD Structure

New Structure

ESMFNC old structure.JPG
ESMFNC new structure.JPG


Multifamily New Construction Requirements Overview

ESMFNC pathways.JPG


  • Continuous wall insulation - 4 stories or more

  • Projected Balcony / Elevated Slab Insulation

  • Compartmentalization test

  • Common Areas

    • Windows​

    • Envelope

    • HVAC

    • Lighting

    • Hot Water

  • Heated plenum in garages

    • R10 top, R13 bottom, R5 sides​

  • HVAC Design Report

  • Rater Design Review Checklist

  • Rater Field Checklist

  • HVAC Functional Testing Checklist

  • Water Management System Requirements

Link to ENERGY STAR Checklist

Key Takeaways

  • MFNC full implementation July 2021

  • For our region, continuous insulation is biggest concern for projects 4+ stories

  • Common area requirements

  • Paperwork in scope

  • Find a trusted source, like us, to help you navigate all this!

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