Current Energy Code Status
| Residential | Commercial | |
|---|---|---|
| Current State Code | Home Rule | Home Rule |
| Equivalent Code* | 2018 IECC | 90.1-2016 |
| Enforcement | Jurisdictional | Jurisdictional |
| Can use COMcheck / Rescheck | Yes | Yes |
*Equivalent Code is based on a quantitative analysis of the state code with amendments as displayed in the Residential and Commercial Status of State Energy Code Maps.
State Certifications
Federal law directs states to review and update their building energy codes regarding energy efficiency and submit related certifications. The following is the most recent certification submitted by the state.
States are required by statute to submit certifications within 2 years of the publication of an affirmative determination of a new model energy code. Learn more about the statutory requirements.
Most Recent Submitted Certification
- Residential: 2009 IECC
- Commercial: ASHRAE Standard 90.1-2007
Model Energy Code Impacts
Key metrics related to incremental construction costs and consumer energy cost savings.
Energy and Economic Impacts
| Model Energy Code | Measure | Energy Cost Savings |
|---|---|---|
| Residential Statewide Impact Potential (2024 IECC) | Incremental First Cost of 2024 IECC ($/home) | $ 8,057 |
| Annual Energy Cost Savings ($/home) | $ 310 | |
| Annual Energy Savings (kBtu/home) | 17,380 | |
| 30 year Life Cycle Cost (LCC) Savings ($/home) | -$ 1,911 | |
| Simple Payback Period (years) | 26 | |
| Housing Starts (15 year average)** | 19,067 | |
| Statewide Total Incremental Cost Impact ($) | $ 153,622,819 | |
| Statewide First Year Energy Cost Savings ($) | $ 5,910,770 |
** Based on 2020 U.S Census, American Housing Survey 15 year average housing starts
Contacts
1600 Broadway, Suite 1960
Denver, CO 80202
United States
1313 Sherman Street #320
Denver, CO 80203
United States