We provide full 2012 and 2015 IECC code testing, generally performing duct leakage tests prior to close-in and blower door tests at final, along with appropriate certificates and documentation as required by municipalities.

2012 and 2015 IECC Code Compliance Testing
The State of Maryland was the first state in the US to begin enforcement on the 2012 International Energy Conservation Code (IECC), and has continued to be on the forefront of energy code adoption with the adoption of the 2015 IECC.

Any home permitted in Maryland after July 1, 2015 is required to meet the 2015 IECC standards. Requirements to pass the code include meeting specific air infiltration and duct leakage requirements. These are met by Blower Door Testing and Duct Blast Testing.

There are three paths to meeting the code:

  1. The prescriptive path.
  2. Performance based “UA trade-off” path.
  3. The Energy Rating Index (ERI) path.

Efficient Home has worked with builders using all methods of compliance, and the Raters at Efficient Home work with builders to determine the correct path for their situation.

Virginia has now adopted the 2012 IECC with amendments. The most notable of the changes states that air leakage of a home must not exceed 5 air changes per hour at 50 Pa, or 5 ACH50, and the total duct leakage shall be less than or equal to 5 CFM per 100 ftof conditioned floor area when tested at 25 Pa at rough-in. 
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More Resources:

• "2015 IECC: What You Need to Know" from BUILDER Online
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• U.S. Department of Energy Air Leakage Guide
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• Maryland Energy Administration 2015 IECC Information Page
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• Local Code Amendments by County in Maryland
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• Virginia Uniform Statewide Building Code
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