U.S. Department of Energy - Energy Efficiency and Renewable Energy
US Department of Energy Office of Energy Efficiency and Renewable Energy
Building Energy Codes Program
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Building Energy Codes Program

Prescriptive Approach - Residential

The prescriptive approach allows you to select from various combinations of energy conservation measures (called packages) based on your climate zone location.

Prescriptive packages and climate zone maps are available for the following codes:

Prescriptive package field guides (tri-folds) are also available for the 1998/2000 IECC. These guides (one for each climate zone) provide a single page summary of the envelope requirements (insulation R-values and glazing U-factors).

The REScheck™ (formerly MECcheck) prescriptive packages guide is available in Adobe Acrobat PDF Format. Download Acrobat Reader. Click on the desired document (PDF) in the following table to download.

Prescriptive Packages Guide 1998, 2000, & 2003 IECC '92, '93, & '95 MEC
Prescriptive Packages User's Guide PDF 1.45 MB, 81pp PDF 1.45 MB, 74pp
Prescriptive Worksheet Only PDF 50 KB PDF 49 KB

The Prescriptive Packages User's Guide includes an Introduction to REScheck, the Basic Requirements Guide, and the Prescriptive Packages User's Guide. These materials were originally part of the discontinued REScheck Workbook.