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Choosing the Right Energy Code for Your Project: IECC 2018 or ASHRAE 90.1-2016

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Course Length: 6 Hours

ASHRAE/IES Standard 90.1-2016 has been determined by the Department of Energy (DOE) to cost-effectively save energy, triggering the adoption of the standard in numerous states and federal departments. The International Energy Conservation Code (IECC) has been adopted by states as a part of the International Code Council suite of codes. The IECC allows ASHRAE/IES Standard 90.1 to be used as an alternate path to compliance with specified requirements of the IECC.

Early in a project, a designer must determine whether to use the standard or the code to comply with all project disciplines. This seminar will provide the information needed to make the determination with full knowledge of the requirements that must be met. It will compare the requirements of the standard and the code and explain how to apply each. Participants will identify the effort and compromises required to show compliance with codes based on the project design.

Recommended References

ASHRAE/IES Standard 90.1-2016, Energy Standard for Buildings Except Low-Rise Residential Buildings

2018 International Energy Conservation Code


McHenry Wallace, P.E., Member ASHRAE, LEED® AP

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Additional Information

All courses and webinars are available for Chapter and In-Company Programs. They may be periodically scheduled for the Winter and/or Annual Conference Education Programs, as well as the Online Courses Series.

Chapters or Companies: Contact Karen Murray, Manager of Professional Development ( or 678-539-1146), to schedule an ALI seminar, course, or webinar at your organization or event.

Availability: Check the various offerings listed under Professional Development > All Instructor-Led Training to see if this course is being offered at an upcoming event or as a webinar.