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2021 IECC Residential Cost Effectiveness Analysis

Published Wednesday, February 24, 2021

2021 IECC Residential Cost Effectiveness Analysis

The 2021 International Energy Conservation Code (IECC) includes several changes which impact both energy savings and construction costs for residential construction.

The objective of this analysis is to quantify the incremental construction cost and energy use cost savings associated with constructing a house compliant with the 2021 IECC relative to a 2018 IECC baseline and to evaluate the cost-effectiveness of the code changes.

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