- Requires a Home Energy Rating System (HERS) score of 120 or less.
- The HERS index will be used for the verification of energy performance.
- A HERS rating shall be performed by a rater accredited by the Residential Energy Services Network (RESNET).
Spring 2026 Survey
The city is working with a national research firm, Probolsky Research, on a randomized and statistically valid survey to better understand community concerns and opinions about potential 2026 ballot measures. Boulder voters may receive a phone call, text or email to complete the survey, which will be available in both English and Spanish.