Analysis for Previous Residential Codes
The following national analyses are available for previous editions of the International Energy Conservation Code (IECC):
The table below contains additional state-level analysis:
| Alabama | Alaska | Arizona | Arkansas |
| California* | Colorado | Connecticut | Delaware |
| District of Columbia | Florida* | Georgia | Hawaii |
| Idaho | Illinois* | Indiana | Iowa |
| Kansas | Kentucky | Louisiana | Maine |
| Maryland* | Massachusetts | Michigan | Minnesota |
| Mississippi | Missouri | Montana | Nebraska |
| Nevada | New Hampshire | New Jersey | New Mexico |
| New York | North Carolina* | North Dakota | Ohio |
| Oklahoma | Oregon* | Pennsylvania | Rhode Island |
| South Carolina | South Dakota | Tennessee | Texas |
| Utah | Vermont | Virginia | Washington* |
| West Virginia | Wisconsin | Wyoming | |
| *Cost Analysis not planned for this state. | |||