Residential Building Energy Standards


The Vermont Residential Building Energy Standard (RBES) - 30 V.S.A. § 51 affects all new homes built after July 1, 1998. It is the energy code for all residential buildings 3 stories or less above grade in Vermont.

New RBES revisions took effect in 2015 and apply to construction commenced on and after the effective date. RBES applies to all new residential construction, including additions, alterations, renovations, and repairs.  The effective dates are as follows:

  • Residential Building Energy Standard Base - March 1, 2015
  • Residential Building Energy Standard Stretch (applies to all Act 250 projects) - December 1, 2015

Energy Code Materials for Homes Built Starting March 1, 2015

*Note: if you are having trouble accessing the free viewable version of either RBES or CBES online, click on this link or go to and search for "Vermont". Then click on "FREE VIEW" under the icon for the 2015 RBES or 2015 CBES.

Hard copies of code materials are available free of charge from the Energy Code Assistance Center (toll free #: 1-855-887-0673).

Energy Code Materials for Homes Built October 1, 2011 -- February 28, 2015

Energy Code Materials for Homes Built January 1, 2005 -- September 30, 2011

Energy Code Material for Homes Built July 1, 1998 -- December 31, 2004

Other Resources

For more information please contact Kelly Launder by email, or 1-802-828-4039, at the Department of Public Service.