IECC Information

IECC Climate Zones Map

Table 402.1.1 in the 2012 IECC
(Prescriptive Compliance)

There are THREE options for IECC Compliance:

Additional Information:
IECC Default U-Values
Status of Residential Code Adoption
IECC State Compliance Guides
Can your state use REScheck Software?


Future Criteria:
2015 IECC – Includes a new compliance option based on an energy rating index.