Skip to main content

Scheduled Maintenance Scheduled Maintenance

The REScheck and legacy COMcheck web tools may be unavailable beginning Thursday, June 13, 2024, through Monday. June 17, 2024, for scheduled maintenance. The New COMcheck-Web will still be available during this time. We apologize for any inconvenience this may cause.


State Profile

Code Type: Commercial Residential
Current State Code 2009 IECC and ASHRAE 90.1-2007 2009 IECC with Amendments
Effective Date
Adoption Date
State Amendments No Yes
State Code Analysis*
Enforcement Mandatory Statewide Mandatory Statewide
Can use COM/REScheck Yes Yes


Commercial Residential
Current Model Code ASHRAE Standard 90.1-2007 2009 IECC
Yes Yes

Model Code Savings Potential

Statewide Savings Potential (2010-2030) Residential Commercial
Cost $0.30B $0.32B
Energy (primary) 33MBtu 45MBtu

Consumer Cost Savings

Consumer Cost Savings Residential
per Home
per 1,000 ft2
Annual ($) $397 $116
Annual (%) 24.5%
Life-cycle (30 year) $5722 $1560
Simple Payback 3.9 years 0.0 years
Positive Cash Flow 0.4 years


Code Type: Residential Commercial
Field Study Yes No
Training Program No No

Additional Information



    The first Arkansas Energy Code was enacted in 1979 and was based on the 1977 Model Code for Energy Conservation in New Building Construction (MCEC), which references ASHRAE/IES Standard 90-1975. Legislation was approved in January 1993, giving the AEO the authority to adopt new standards through a rule-making process. The AEO adopted a new code in October 1994, that became effective June 1, 1995. This code references ASHRAE Standard 90.1-1989 for commercial buildings and is based on the 1992 Model Energy Code (MEC) for residential buildings. The code was again editorially revised on May 3, 1995. This revision made no substantive changes to the energy code. The 2004 Arkansas Energy Code, based on the 2003 IECC, became effective October 1, 2004. For commercial structures, the 2004 code adopts ASHRAE Standard 90.1-2001, except for low rise buildings.

    HB1663 Act 1494 was enacted in April 2009, to promote the conservation of energy and natural resources in buildings owned by public agencies and institutions of higher education. Energy use in all existing state buildings must be reduced by 20% of 2008 levels by 2014 and 30% by 2017. Public buildings must be certified to be 10% more efficient than ASHRAE Standard 90.1-2007, as it existed on January 1, 2009.

    2014 Arkansas Energy Code became effective January 1, 2015 to the 2009 IECC with amendments.

    State-Owned/Funded Buildings

    On April 14, 2009, Arkansas Gov. Mike Beebe signed Act No. 1494 into law. It promotes the conservation of energy and natural resources in buildings owned by the state or institutions of higher education. It establishes performance criteria and goals for sustainable and energy-efficient new and majorly renovated public buildings based on ASHRAE Standard 90.1-2007. Buildings must be designed, constructed, and certified to at least 10% reduction below the baseline energy consumption determined by the performance rating method of Appendix G of ASHRAE Standard 90.1-2007.

    Adoption Process

    State Level: A rule-making process is used to adopt new and change existing codes. When a proposed code change is initiated by the Arkansas Energy Office (AEO), it is first reviewed by the affected parties. They evaluate the proposed changes and work with the AEO to refine them to satisfy all parties, if possible. All changes are then submitted for public hearing. After approval at the public hearing, the proposed change is acted upon by the AEO and by two legislative committees before it is included in the next edition of the code.

    Local Level: The local government may adopt and implement the code, which is usually achieved through a vote of the city council or county commission. Depending on the form of government, the mayor may be required to sign the law. Because compliance is based on self-certification by the builder, the builder must address compliance upon request when the local government has not adopted the code.

    Enforcement Process

    In jurisdictions that have adopted codes, units of local government enforce the codes through the established inspection process. Depending on the size of the local government, the same individual may be responsible for performing plan reviews and inspections. In jurisdictions that have not adopted codes, state enforcement staff or their agents use spot inspections and consumer notifications. Because the compliance system is based on self-certification by the builder and enforcement can depend on homeowner involvement, the AEO has spent considerable effort on education and communication.

    Compliance Process

    Proof and verification of compliance is required state-wide for all buildings and is demonstrated by the responsible party (e.g., builder) signing a self-certification seal. In jurisdictions that have adopted the energy code, a local inspection is required to verify compliance and the builder must sign the self-certification seal. The certification seal must be placed in the building for visible inspection. A state Board of Appeals (BOA) has been established in the regulations to resolve different interpretations of the standards. The code requires local jurisdictions that adopt the code to also establish a BOA. Compliance with the Arkansas Energy Code is determined by using the set of amended prescriptive requirements or by using REScheck with the code option of 2009 IECC.