Recap: Train-the-Trainer Session for 2009 IECC and ASHRAE 90.1-2007

*This post was drafted by Isaac Elnecave and Michael Hairston members of the MEEA Policy Team


This week, the Midwest Energy Efficiency Alliance (MEEA) held a train-the-trainer session for the 2009 IECC and ASHRAE 90.1 – 2007 at the Science Museum of Minnesota in St. Paul, Minnesota. This training was sponsored and funded by the US Department of Energy and hosted attendees from several Midwest states including North Dakota, South Dakota, Iowa, Illinois and Minnesota. The training was taught by Eric Makela and Mark Halverson of the Pacific Northwest National Laboratory (PNNL). The purpose of the training was to allow the attendees an opportunity to gain understanding of the two energy codes so they could, in turn, train other individuals in their states or be a reference for codes questions. We would like to thank all of our attendees and our instructors for being a part of the training.


The first day of the training covered the residential portion of the 2009 IECC. The training covered residential requirements such as acceptable air infiltration levels, duct tightness requirements, requirements for the building thermal envelope such as insulation and windows, heating and cooling system requirements, a brief section on lighting requirements.  The session also included discussion on how to perform a performance analysis (using software to model the energy use of a home), using the ResCheck software.   The training also covered the scope of the code i.e. what buildings are covered and when code requirements are triggered in alterations, additions and renovations.


The last two days of the training session covered ASHRAE 90.1-2007, which is a energy code for commercial buildings and multi-family residences over three stories. The training covered requirements for administration and enforcement, the building envelope, HVAC systems, service water heating, power and lighting. It also covered the building performance rating method which gives the methodology for conducting a performance analysis in lieu of using prescriptive requirements.  ComCheck compliance software developed by the US DOE was also discussed.


MEEA is dedicated to energy efficiency and looks forward to sponsoring this type of training session in the future. Please continue to visit the MEEA website for updates to the training schedules for more opportunities. If you would like to be added to the list and considered for future training opportunities, please send your contact information to Michael Hairston at

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Tags: 2009, 90.1-2007, ASHRAE, IECC, efficiency


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