Compiled by Jobe Leonard from the Reschexpert blog and  Jobe like researching Rescheck data and creating useful charts for others to create their own energy reports.

Jobe Leonard

Jobe Leonard


Rescheck Energy Code Chart

We developed this custom energy code chart based on multitude of factors involving our experience using Rescheck Web and Rescheck Desktop. The following methods where used in the creation:

Survey of local building building departments

Interviews with building inspectors

State adopted code information

Data filtering of Reschecks created on our Rescheck Web portal

Sampling of our projects in Rescheck Desktop

Publicly available IECC and ASHRAE code information

You will quickly notice that some states have multiple codes. This is because there may be a state adopted code, but in our research we found a substantial number of jurisdictions using different codes from what is required by the state. This is perfectly normal in world of Rescheck, and you will quickly find that many times the building inspector or building department has preferences based on their local area. Many times these predilections will take priority, and argument of them can prove futile. The building inspector typically has the final say on the Rescheck of a project, and that is why we offer free modifications to your Rescheck. Sometimes the code will change in the middle of a project for example:

You submit your plans on May 1st along with your Rescheck under IECC 2015 code. On July 1st the jurisdiction you are building in modifies their Energy Code to IECC 2018. Since you have not completed your project and obtained a certificate of occupancy, the building inspectors requires a resubmittal of your Rescheck under IECC 2018.

In this instance we would handle the code change on your Rescheck free of charge. Rescheck codes are always changing, being modified, and being upgraded. We do our best to keep on top of it because we are on the front line of meeting with building inspectors, talking with contractors, and helping DIY Rescheck creators through the intricacies of Rescheck Web and Rescheck Desktop software every day.

Please enjoy this easy to use Rescheck Energy Code Chart:

State NameRescheck Code
Alabama2015 IECC 2018 IECC
AlaskaIECC 2018
ArizonaIECC 2015 IECC 2018
ArkansasIECC 2009
CaliforniaTitle 24
ColoradoIECC 2015 IECC 2018
ConnecticutIECC 2021
DelawareIECC 2018
FloridaIECC 2018 405 Form
GeorgiaIECC 2015 IECC 2018
HawaiiIECC 2018
IdahoIECC 2018
IllinoisIECC 2018
IndianaIECC 2018
IowaIECC 2012
KansasIECC 2006 IECC 2009
KentuckyIECC 2012
LouisianaIECC 2012 IECC 2021
MaineIECC 2015 IECC 2018 IECC 2021
MarylandIECC 2018
MassachusettsIECC 2018
MichiganIECC 2018
MinnesotaIECC 2018
MississippiIECC 2015
MissouriIECC 2015
MontanaIECC 2021
NebraskaIECC 2018
NevadaIECC 2018
New HampshireIECC 2015
New JerseyIECC 2018 IECC 2021
New MexicoIECC 2018
New YorkIECC 2018
North CarolinaIECC 2015 IECC 2018
North DakotaIECC 2018
OhioIECC 2012 IECC 2018
OklahomaIECC 2006
OregonIECC 2018
PennsylvaniaIECC 2018
Rhode IslandIECC 2018
South CarolinaIECC 2009
South DakotaIECC 2009
TennesseeIECC 2018
TexasIECC 2015 IECC 2018 IECC 2021
UtahUtah 2012 IECC 2015
VermontIECC 2018
VirginiaIECC 2018
WashingtonIECC 2021
West VirginiaIECC 2009
WisconsinIECC 2009
WyomingIECC 2018


Thank you for reading the Reschexpert blog and using our easy to use Rescheck Energy Code Chart. We hope you find this helpful. If you are confounded on which code to use and would like us to create a Rescheck for you, we offer a Rescheck for $79. The service takes 4-6 hours. Simply email us your order number, pdf plans, jobsite address, and square footage and we will get your Rescheck completed.

Commercial Construction Comcheck Energy Code Chart


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Rescheck Energy Code Chart
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