In 2011 the City of Boulder, Colorado enacted its “SmartRegs” ordinances that require all single family and multifamily rental properties to meet a minimum energy efficiency standard by January 2019. The SmartRegs initiative is designed to help the city achieve its ambitious carbon emissions reduction goals and to improve the quality, safety, and marketability of Boulder’s rental housing stock.

This paper describes a wide variety of behavior change insights potentially applicable to the energy efficiency program context, provides examples of efficiency programs that have applied these insights, and explores some untapped opportunities to achieve energy savings through behavior change.