FHA and USDA mortgages do not require homes to comply with the International Energy Conservation Code (IECC) as a condition of eligibility. While certain energy-efficiency standards or improvements may be encouraged or eligible for specific programs (such as FHA’s Energy Efficient Mortgage or USDA’s Single Family Housing Repair loans), there is no blanket rule that non-compliance with the IECC renders a home ineligible for FHA or USDA financing.

FHA and USDA mortgage programs do not have a blanket requirement that homes comply with the International Energy Conservation Code (IECC) to be eligible; their property standards focus on health, safety, and structural soundness, not IECC compliance.

Both FHA and USDA mortgage programs require homes to meet minimum property standards that include energy efficiency requirements, which often reference or align with the IECC. Non-compliance would indeed make a home ineligible for these mortgage programs.