Status of All State Energy Codes
Residential State Codes
| Residential Code: | REScheck shows compliance: | Amendments: | Approximate Stringency: | Residential Code Notes: | |
|---|---|---|---|---|---|
| Alaska | No Statewide Code, some municipalities have adopted voluntarily.
The Building Energy Efficiency Standard (BEES 2011) consists of: 1. The International Energy Conservation Code (IECC) 2009, Second Printing, which includes 2. ASHRAE Standard 62.2-2010 Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings with 3. Alaska Amendments to IECC 2009 and ASHRAE Standard 62-2 2010 adopted March 9, 2011 by Alaska Housing Finance Corporation (AHFC). Those who finance through AHFC must comply with the code requirements to qualify. |
Thermal compliance with BEES most often shown using AkWarm software. Must be performed by a certified AkWarmTM energy rater. AkWarm Software |
Alaska Amendments to the 2009 IECC | As stringent as the 2009 IECC. | The Alaska Building Energy Efficiency Standard, February 9, 2010 was replaced on March 9, 2011. |
| Alabama | The Energy and Residential Energy Code for Alabama is a voluntary state developed code based on the 2006 IECC and is contingent upon local adoption. This code is also recommended for private commercial buildings. | None identified. RECA publishes guides at www.reca-codes.org. | RECA amended the requirement to exclude the SHGC 0.40. | Equivalent to the 2006 IECC. | The Alabama Energy and Residential Codes Board voted to adopt the 2009 International Energy Conservation Code for Commercial Buildings and the 2009 International Residential Code including the energy chapter for residential construction. The new codes will become effective on October 1, 2012. |
| Arkansas | State specific code based off of the 2003 IECC. | Can use REScheck. | Amendment excludes compliance to the .40 SHGC in hdd areas less than 3,500. | Less stringent than the 2003 IECC. | On January 13, 2012, the Administrative Rules and Regulations Subcommittee of the Arkansas General Assembly approved the Arkansas Energy Office (AEO) 2011 proposal to update the state’s commercial energy code. Effective January, 1, 2013, it updates the commercial provisions to reference ASHRAE Standard 90.1-2007 and Chapter 5 of the 2009 IECC for commercial. |
| American Samoa | None. | ||||
| Arizona | None statewide. | Can use REScheck in jurisdictions that allow it. | Arizona has no statewide energy code. However, many counties have adopted the IECC 2006 as an energy efficiency code. | ||
| California | State developed code, 2008 Building Energy Efficiency Standards, comprising Title 24, Parts 1 and 6, of the California Code of Regulations, is mandatory statewide. | List of approved computer programs can be viewed at California Energy Commission website. | 2008 Building Energy Efficiency Standards | More stringent than the 2009 IECC. | On 01/12/2010, Governor Schwarzenegger announces the first-in-the-nation statewide Green Building Standards Code (CALGREEN) taking effect on January 1, 2011, requiring all new buildings in the state to be more energy efficient and environmentally responsible. |
| Colorado | 2003 IECC for jurisdictions that adopt and enforce codes.
2009 IECC for all Factory Built and Multi Family structures in areas of Colorado that do not adopt or enforce building codes. |
Can use REScheck. | None. | The Colorado Energy Codes Support Partnership (ECSP) was established in 2010 and includes the Colorado Department of Local Affairs (DOLA/DOH), the Colorado Governor's Energy Office (GEO), Colorado Code Consulting, LLC (CCC), the International Code Council (ICC) and Energylogic. The purpose of the ECSP is to provide specific, on-site technical assistance to Colorado local jurisdictions concerning the adoption, enforcement and compliance with the 2009 IECC. As of May 2011, the results of the partnership include the adoption of the 2009 IECC by local jurisdictions that represent approximately thirty (30) percent of the construction market in the State. Current information on the Partnership can be found at www.colorado.gov/energycodes | |
| Connecticut | 2009 IECC with minor amendments | Can use REScheck | 2009 Amendments | As stringent as the 2009 IECC. | The 2009 IECC was adopted in September 2011 and became effective October 6, 2011. CT will automatically go to the 2012 IECC within 18 months of its printing. |
| District of Columbia | 2006 IECC with amendments. | Amendments include provisions of the 2009 IECC. 2008 D.C. Construction Code |
More stringent than the 2006 IECC. | In December the DC CCCB voted 7-1 to adopt the 2012 IECC. The code will now enter administrative review and legislative process with likely adoption in the second half of 2013. | |
| Delaware | 2009 IECC (previous 2000 IECC). | Can use REScheck. | None. | As stringent as the 2009 IECC. | 2009 IECC with ASHRAE 90.1-2007 effective July 1, 2010. Respective county and municipality government shall exclude agricultural structures from the provisions of the current and new codes. |
| Florida | The 2010 Florida Building Code | REScheck. The user must select the Florida code option. | See Florida Building Code | As stringent as the 2009 IECC. | REScheck now supports the 2010 Florida Building Code. The user must select the Florida option under codes. |
| Georgia | 2009 IECC with amendments | Can use RESCheck and choose 2009 IECC as the code option.
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GA Amendments | More stringent than the 2009 IECC. | |
| Guam | 2009 IRC | GuamSoft or REScheck | 2009 IRC | Guam continues to improve on its energy code and has teamed up with other territories and Hawaii to develop a Tropical Energy Code. | |
| Hawaii | The State of Hawaii adopted the 2006 IECC with state-specific amendments as the statewide energy code. Counties of Hawaii can modify the statewide code, as long as the codes are at least as stringent as the statewide code. |
Currently working on approval for a customized REScheck version. | Hawaii County adopted the amended 2006 IECC in October 2010 Maui County adopted and amended 2006 IECC in October, 2009 Honolulu County adopted and amended 2006 IECC in November, 2009 Kauai County adopted and amended 2009 IECC in May, 2010 |
As stringent as the 2006 IECC. | Architectural Energy Corporation has developed energy conservation codes and provided related consultation and training for the State of Hawaii. |
| Iowa | 2009 IECC. | Can use REScheck. | Minor amendments (IAC, Ch 303, p.1) related to Chapter 1 regarding deleting sections regarding construction document requirements, inspections, fees, stop work orders, and board of appeals.
Residential sprinkler requirements in the 2009 IRC have been pushed back until January 1, 2013. |
As stringent as the 2009 IECC. | |
| Idaho | 2009 IECC. | Can use REScheck. | None. | As stringent as the 2009 IECC. | As of January 1, 2011 all jurisdictions are required to comply with the 2009 IECC. |
| Illinois | 2009 IECC, or most recently published (71 IAC 600). | Can use REScheck. | "Residential building" means (i) a detached one-family or 2-family dwelling or (ii) any building that is 3 stories or less in height above grade that contains multiple dwelling units, in which the occupants reside on a primarily permanent basis, such as a townhouse, a row house, an apartment house, a convent, a monastery, a rectory, a fraternity or sorority house, a dormitory, and a rooming house; provided, however, that when applied to a building located within the boundaries of a municipality having a population of 1,000,000 or more, the term "residential building" means a building containing one or more dwelling units, not exceeding 4 stories above grade, where occupants are primarily permanent. | As stringent as the 2009 IECC. | Legislation passed in 2009 amending the Energy Efficient Commercial Buildings Act to the Energy Efficient Buildings Act, and requiring residential buildings to conform to energy efficient standards that apply to commercial buildings. |
| Indiana | 2005 Indiana Residential Code with 2011 Amendments Based on the 2009 IRC. | As stringent as the 2009 IECC. | On April 5, 2012 the 2009 IRC with amendments became effective for residential construction. | ||
| Kansas | Homebuilders or realtors must disclose information about the home energy performance parameters on the Kansas Energy Efficiency Disclosure form and provide it to potential buyers. | ||||
| Kentucky | 2006 IRC with Kentucky Amendments. | Can use REScheck in areas that allow its use. Kentucky Energy Conservation Workbook For Residential and Commercial Buildings |
2007 KY Residential Code | As stringent as the 2006 IRC. | KY moves forward with the 2009 IECC by reference in their updated 2007 Kentucky Building Code. “IECC-09 (Effective 3/6/2011 with mandatory compliance beginning 6/1/2011) KY Residential was also updated, however, the provisions for the 2006 IECC remain unchanged. |
| Louisiana | 2006 IRC with direct reference to 2006 IECC. 2006 IRC with amendments. |
Can use REScheck. | All AC duct insulation is R6 instead of R8 and to include Section R301.2.1.1 of the 2003 edition of the IRC in lieu of Section R301.2.1.1 of the 2006 edition. The code adopted and amended above in this Subsection shall remain in effect until the 2009 edition of the IRC is published, at which time such edition of the code shall be adopted by the council as provided in Subparagraph (A)(3)(a) of this Section. Thereafter, the council shall adopt the latest edition of the IRC as provided in Subparagraph (A)(3)(a) of this Section. | As stringent as the 2006 IECC. | |
| Massachusetts | MA's Board of Building Regulations and Standards (BBRS) has amended the code as of January 1, 2010, requiring the use of the 2009 IECC with MA's amendments instead of the 2006 IECC. When using REScheck, the 2009 IECC code option should be chosen for compliance. |
REScheck can be used for demonstrating compliance. | As stringent as the 2009 IECC. | ||
| Maryland | 2012 IECC | Can use REScheck. | None. | As stringent as the 2009 IECC. | 2012 IECC is effective as of January 1, 2012. Code compliance software tool, REScheck will not have the 2012 IECC code option available until February 2012. COMcheck will not have the 2012 IECC code option available until March 2012, however, ASHRAE 90.1-2010 can currently be used as a code option in COMcheck. For commercial buildings the 2012 IECC has a direct reference for compliance to ASHRAE Standard 90.1-2010. |
| Maine | None statewide | Can use REScheck | The most recent bill, LD 1416 was signed into law on June 24,2011 effectively repealing the statewide code (2009 IECC), by making it only optional to communities under 4,000 population size (roughly 40% of Maine). As of June 2011, only 15% of the state has chosen to adopt the code locally. | ||
| Michigan | 2009 IECC | Can use REScheck | 2009 MI Uniform Energy Code Rules | As stringent as the 2009 IECC | The energy code in Michigan has been finalized. The new code will be the 2009 International Energy Conservation Code for residential dwellings and ASHRAE 90.1-2007 for commercial buildings. The code will go into effect in March 2011. |
| Minnesota | Residential Energy Code based on Chapter 11 of the 2006 IRC with amendments. | Residential provisions are very prescriptive. Cannot use REScheck. | Residential Energy Code | Not as stringent than the 2006 IRC, but due to air tightness and make-up air requirements every new gas heated home (~ 90% of the market) built has a sealed combustion 90%+ efficiency furnace, resulting in performance superior to a home built to the 2009 IECC. | The 2009 editions of the International Residential Code (IRC), International Building Code (IBC), and International Fire Code (IFC) will be published soon and the Construction Codes and Licensing Division and the State Fire Marshal Division have been discussing this adoption. |
| Missouri | None statewide. | Can use REScheck in areas that allows its use. | None. | St. Louis County adopted the 2009 IECC on November 1, 2010. St. Louis County Public Works
Reviewed proposed legislation to create a state building code including energy codes. Benefit - caught a number of errors in the legislation that if not addressed could have caused problems in the future for the state and those being regulated by the resultant energy code which is adoption of the current IECC and 90.1-2007. |
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| Commonwealth of the Northern Mariana Islands | Tropical Model Energy Code | October 2009, N. Mariana Islands adopted the Tropical Model Energy Code based on the 2009 IBC and energy provisions for residential and commercial buildings.
No effective date determined. |
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| Mississippi | State energy code, based on ASHRAE Standard 90-1975, is adopted by local jurisdictions. | ||||
| Montana | 2009 IECC. | Can use REScheck to demonstrate compliance. | 2009 Residential Code | As stringent as the 2009 IECC. | |
| North Carolina | 2012 North Carolina Energy Conservation Code | Can use REScheck. | More stringent than the 2009 IECC. | Mandatory compliance of the 2012 North Carolina Energy Conservation Code became effective March 1, 2012. | |
| North Dakota | None statewide. Chapter 11 of 2009 IRC is contingent on adoption by local jurisdiction. | Can use REScheck in jurisdictions that have adopted recent energy codes and allow its use. | Effective in August 2009, the state's voluntary energy codes (the 1993 MEC and ASHRAE 90.1-1989) were removed. With the new statute, the state's Code Advisory Committee must include energy requirements in the state building codes (currently, the 2006 I-Codes with the energy efficiency sections of Chapter 11 of the IRC and Chapter 13 of the IBC removed). These codes are, of course, still voluntary and subject to adoption by local ordinance. | ||
| Nebraska | 2009 IECC | Can use REScheck | Cities and counties may adopt codes that differ from the Nebraska Energy Code, however, state law requires the adopted code to be equivalent to the Nebraska Energy Code.
For existing buildings: only those renovations that will cost more than 50 percent of the replacement cost of the building must comply with the Code. |
As stringent as the 2009 IECC. | Nebraska Legislature adopted the 2009 IECC/ASHRAE 90.1-2007 and the effective date is August 27, 2011 |
| New Hampshire | 2009 IECC | For certification of compliance with the Residential Energy Code, fill out the EC-1 form and submit it to the PUC.
Residential Energy Code Application EC-1 Form
Residential Energy Code Application (EC-1 Form) - 10/10 Please mail your applications to: New Hampshire Public Utilities Commission 21 S. Fruit St., Suite 10 Concord, NH 03301-2429 Or fax to (603) 271-3878. Or scan and e-mail to energycodes@puc.nh.gov.
REScheck should be used only if your structure will not meet the code requirements laid out in the EC-1 form. NOTE: REScheck will not allow trade-offs for high efficiency heating systems. If you wish to use the software approach to prove compliance of residential structures with the code you should download the latest version of REScheck Software. Click on Code on the toolbar and set to 2009 IECC. Select the State of New Hampshire and City to the municipality where the project is planned. (In the case of Durham, select Concord as the City.) |
As stringent as the 2009 IECC | ||
| New Jersey | 2009 IECC with minor modifications. | Can use REScheck
For additional information see Bulletin 11-1 |
New Jersey amendments | As stringent as the 2009 IECC. | On 9/7/10, the State of NJ adopted the 2009 IECC for low-rise
residential buildings (one- and two-family dwellings and multiple-family
buildings three stories or less in height) and the 2007 ASHRAE 90.1 for
all other buildings, both with minimal amendments, in regards to energy
conservation. The amendments can be found on pages 39-41 of the
Energy Subcodes in the section labeled "N.J.A.C. 5:23-3.18".
With the adoption of the new codes begins a six month grace period to allow compliance with the previous codes, the 2006 IECC with amendments and 2004 ASHRAE 90.1 with minor amendments. A complete permit application has to be filed before March 7, 2011 to utilize these codes. On March 7, 2011, the 2009 IECC and 2007 ASHRAE 90.1 are the only energy conservation codes allowed. |
| New Mexico | 2009 IECC with Amendments | Can use REScheck | New Mexico Amendments | As stringent as the 2009 IECC | The 2009 IECC became mandatory on January 1, 2012. |
| Nevada | 2006 IECC. | Can use REScheck. | Minor amendments to include more detail regarding air barrier definitions and modeling assumptions and site energy moved to source energy. | As stringent as the 2006 IECC. | On November 10, 2011, The Nevada State office of Energy adopted the 2009 IECC with an effective date of July 1, 2012. Jurisdictions in southern Nevada adopted the 2009 IECC effective July 5, 2011. |
| New York | 2009 IECC with NY State amendments. | Can use RESCheck 4.4.1 or subsequent. | The Energy Conservation Construction Code of New York State 2010 can be obtained from ICC. | As stringent as the 2009 IECC. | Governor's Program Bill No. 6, A.42012/S.68012: The Energy Law of New York State was amended by the New York State Assembly and the Senate, and signed into Law by Governor Paterson on December 13, 2010. The single largest change will effect energy code applicablity in all building renovation projects, (required by the ARRA-2009), so that the Energy Conservation Construction Code of New York State -2010 (ECCCNYS) will be applicable to renovations involving building system replacement. Exemptions to compliance apply as allowed under Section 101.4, 101.4.3, and 101.4.6 of the energy Conservation Construction Code of New York State -2010, which are concurrent with compliance exemptions under the IECC 2009. The New York State Energy Law amendment is effictive January 1, 2011. New version of COMcheck 3.7.1 was posted with NY's state specific commercial code option that supports the Energy Conservation Construction Code of New York State-2010 NY Energy Conservation Code which is required for permit applications after December 28, 2010. Alternatively, if the building design is based on ASHRAE Standard 90.1 then 90.1 (2007) Standard code can be used to demonstrate compliance. If REScheck is used for residential compliance, you can download the most recent version of REScheck, (Version 4.4.1 and all subsequent versions). |
| Ohio | 2006 IECC. | REScheck can be used. | As stringent as the 2006 IECC. | Effective November 1, 2011 the commercial code in Ohio is the 2009 IECC with a direct reference to ASHRAE 90.1-07. | |
| Oklahoma | 2009 IRC | Can use REScheck. | None. | ||
| Oregon | 2011 Oregon Residential Specialty Code requirements are based on the 2009 IRC.
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Alternative compliance path instructions Alt Compliance Path Pub 10
New Compliance Tool Coming Soon. |
2011 Residential Energy Code Requirements | As stringent as the 2009 IRC. | Effective July 1, 2011, the requirements of the state's updated residential code, Chapter 11 of the 2011 Oregon Residential Specialty Code (ORSC), will be identical to Chapter 4 of the 2010 Oregon Energy Efficiency Specialty Code (OEESC). This will be 10% more efficient than the current residential code, the 2008 ORSC. There will be a 90-day phase-in period through October 1, 2011. |
| Pennsylvania | 2009 IECC, 2009 IRC, Chapter 11, and/or PA-Alt. | Can use REScheck or alternative method. | PA-Alt: Adherence to Pennsylvania's Alternative Residential Energy Provisions 2009 is an acceptable means of demonstrating compliance with the energy conservation code requirements of the Uniform Construction Code. | As stringent as the 2009 IRC. | As of March 2011, several bills have been introduced, ranging from limited amendments to changes in the update process. One bill would complicate the process, making updates less likely. SB605 would move the code back to the 2006 code. |
| Puerto Rico | The adoption date of the IECC 2009 began on January 1st, 2011; however, the effective date of this code will be transitory. This means that the effectiveness of the IECC 2009 will depend on the Building Occupancy Group as defined in the IBC 2009, all the way through 2017, in order to fulfill with the 90% compliance as stated in the State Energy Program Regulations. Effective dates begin March 1, 2013 through March 1, 2016. PR Building Code 2011 |
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| Rhode Island | 2009 IECC with a 90 day interim period. | Can use REScheck. | None. | As stringent as the 2009 IECC. | Rhode Island is the first state to adopt the International Green Construction Code (IGCC). The Rhode Island Green Buildings Act identifies the IGCC as an equivalent standard in compliance with requirements that all public agency major facility projects be designed and constructed as green buildings. The Rules and Regulations to implement the Act took effect in October 2010. |
| South Carolina | 2006 IECC. | Can use REScheck. | SC State Legislature passed a bill to mandate the 2006 IECC for all new and renovated buildings effective July 1, 2009. This bill removes the residential compliance option which would have weakened the energy savings achievable through the 2006 IECC. |
As stringent as the 2006 IECC. | On April 2, 2012, South Carolina adopted the 2009 IECC, to become effective on January 1, 2013. |
| South Dakota | None statewide.
2006 IECC voluntary as of July 2009. |
South Dakota adopts the 2009 IECC as the voluntary energy standard for new residential construction. SB 94 was signed into law on March 15, 2011. Effective date is July 1, 2011. | |||
| Tennessee | 2006 IECC | Can use REScheck | None | As stringent as the 2006 IECC. | |
| Texas | 2009 IRC | Can use REScheck. | Less energy efficient than the 2009 IECC. | As published in the Texas Register today: ADOPTED RULES June 4, 2010 35 TexReg 4727
19.53.Building Energy Efficiency Performance Standards. (a) Single-family residential construction. Effective January 1, 2012, the energy efficiency provisions of the International Residential Code as they existed on May 1, 2009, are adopted as the energy code in this state for single-family residential construction as it is defined in Health and Safety Code, 388.002(12). (b) All other residential, commercial, and industrial construction. Effective April 1, 2011, the International Energy Conservation Code as it existed on May 1, 2009, is adopted as the energy code for use in this state for all residential, commercial, and industrial construction that is not single-family residential construction under subsection (a) of this section.
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| Utah | 2006 IECC. | Can use REScheck. | None. | As stringent as the 2006 IECC. | In January, 2012, Bill 262 was received by the House Rules Committee. Bill 262 incorporates the 2009 IECC for residential buildings into the state building codes. See http://le.utah.gov/~2012/bills/hbillint/hb0262.htm for the text of Bill 262. |
| Virginia | 2009 IRC/IECC | Can use REScheck | the prior 2006 codes may be utilized for a period of one year from the effective date of the 2009 codes (March 1, 2011) Amendment 1: does not require posting of the U and R values Amendment 2: Visual inspection are allowed for the duct system, mechanical contractors are allowed to submit duct testing results | As stringent as the 2009 IECC. | BHCD/DHCD will commence the 2012 USBC/IECC process in late 2012 through 2013 with an expected effective date in early 2014. |
| U.S. Virgin Islands | 2009 IECC | ||||
| Vermont | 2011 RBES is based on the 2009 IECC with amendments. | Can use REScheck | 2011 Residential Energy Code Handbook | As stringent as the 2009 IECC | Commercial Building Energy Standard will become effective on Jan. 3, incorporating elements of the 2012 IECC. |
| Washington | State-developed code. | Residential Compliance Forms | WA 2009 Residential Codes | As stringent as the 2009 IECC. | |
| Wisconsin | 2006 IECC with amendments (SPS 322 for 1-2 family dwellings). | Can use REScheck. | 1-2 Family Dwelling Code SPS 322 Energy Conservation Code The Wisconsin Uniform Dwelling Code for 1 & 2 family dwellings requires heated slabs to be fully insulated along the edge, as well under the slab, per the rules of SPS 322.10(7) & SPS Table 322.31-1 footnote C. Currently, the provisions in SPS 322 for one- and two-family dwellings include a prescriptive list of requirements for the thermal envelope. The requirements differ depending on whether the home is electrically heated. A whole-house performance option is also included. SPS Chapter 367 requirements (for existing residential rental properties) may require up to R-11 insulation in side walls, R-38 insulation in attics, and R-19 in floors over vented spaces. These values are dependent on the heating degree-days of the area. |
As stringent as the 2006 IECC. | On Sept. 1, 2011, the Wisconsin Department of Safety & Professional Services, Division of Safety & Buildings, implemented a revision to the Wisconsin Commercial Building Code consisting of the adoption of the 2009 ICC codes as modified by Comm Chapters 60-66 (reference revised to SPS Chapters 360-366 on Jan. 1, 2012) |
| West Virginia | The 2003 International Residential Code and the 2003 International Energy Conservation Code with amendments during the 2006 legislative session. | Can use REScheck, however, other compliance paths are optional. | West Virginia Building Code | Complex Stringency - 2003 IECC with alternative compliance path. | The West Virginia Legislature passed companion bills directing the State Fire Commission to promulagate rules adding the 2009 IECC and ASHRAE 90.1-2007 to the state building code. The Legislative session started Jan. 2010. |
| Wyoming | None statewide. The ICBO Uniform Building Code, which is based on the 1989 MEC, may be adopted and enforced by local jurisdictions. | Can use REScheck in areas that have adopted more recent codes and allow its use. | None. | As stringent as the PRIOR 92 MEC. |
Commercial State Codes
| Commercial Code: | COMcheck shows compliance: | Amendments: | Approximate Stringency: | Commercial Code Notes: | |
|---|---|---|---|---|---|
| Alaska | None statewide. | None. | None. | The Alaska Building Energy Efficiency Standard, February 9, 2010 was replaced on March 9, 2011. | |
| Alabama | In May 2006 the governor of Alabama issued an executive order mandating that state departments and agencies encourage and promote the conservation of energy in state-owned buildings. In December 2008, the Building Commission adopted the 2006 International Energy Conservation Code (IECC) as the standard for new public buildings. The latest version of the code is found at Alabama Building Commission website. | The Alabama Energy and Residential Codes Board voted to adopt the 2009 International Energy Conservation Code for Commercial Buildings and the 2009 International Residential Code including the energy chapter for residential construction. The new codes will become effective on October 1, 2012. | |||
| Arkansas | ASHRAE/IESNA 90.1-2007 for state owned public buildings. For commercial structures, the 2004 Arkansas Energy Code for New Building Construction adopts by reference ASHRAE Standard 90.1-2001 except Low-Rise Residential Buildings. |
Can use COMcheck. | None. | As stringent as the 2003 IECC. | On January 13, 2012, the Administrative Rules and Regulations Subcommittee of the Arkansas General Assembly approved the Arkansas Energy Office (AEO) 2011 proposal to update the state’s commercial energy code. Effective January, 1, 2013, it updates the commercial provisions to reference ASHRAE Standard 90.1-2007 and Chapter 5 of the 2009 IECC for commercial. |
| American Samoa | None. | ||||
| Arizona | None statewide. | Can use COMcheck in jurisdictions that allow it. | Arizona has no statewide energy code. However, many counties have adopted the IECC 2006 as an energy efficiency code. | ||
| California | State-developed code, 2008 Building Energy Efficiency Standards, comprising Title 24, Parts 1 and 6, of the California Code of Regulations, is mandatory statewide. | List of approved computer programs can be viewed at California Energy Commission website. | 2008 Building Energy Efficiency Standards | More stringent than ASHRAE 90.1-2007. | On 01/12/2010, Governor Schwarzenegger announces the first-in-the-nation statewide Green Building Standards Code (CALGREEN) taking effect on January 1, 2011, requiring all new buildings in the state to be more energy efficient and environmentally responsible. |
| Colorado | 2003 IECC for jurisdictions that adopt and enforce codes.
2009 IECC (with reference to ASHRAE 90.1-2007) for all Factory Built and Multi Family structures in areas of Colorado that do not adopt or enforce building codes. |
Can use COMcheck. | None | The Colorado Energy Codes Support Partnership (ECSP) was established in 2010 and includes the Colorado Department of Local Affairs (DOLA/DOH), the Colorado Governor's Energy Office (GEO), Colorado Code Consulting, LLC (CCC), the International Code Council (ICC) and Energylogic. The purpose of the ECSP is to provide specific, on-site technical assistance to Colorado local jurisdictions concerning the adoption, enforcement and compliance with the 2009 IECC. As of May 2011, the results of the partnership include the adoption of the 2009 IECC by local jurisdictions that represent approximately thirty (30) percent of the construction market in the State. Current information on the Partnership can be found at www.colorado.gov/energycodes | |
| Connecticut | 2009 IECC with reference to ASHRAE 90.1-2007 with minor amendments | Can use COMcheck | None | As stringent as the 2009 IECC. | The 2009 IECC was adopted in September 2011 and became effective October 6, 2011. CT will automatically go to the 2012 IECC within 18 months of its printing. |
| District of Columbia | ASHRAE 90.1-2007 based on 2008 DC Construction Code with several ammendments. | As stringent as ASHRAE 90.1-2007. | In December the DC CCCB voted 7-1 to adopt the 2012 IECC. The code will now enter administrative review and legislative process with likely adoption in the second half of 2013. | ||
| Delaware | 2009 IECC (previous 2001 IECC). | Can use COMcheck. | Agriculture structures are excluded. | As stringent as the 2009 IECC. | 2009 IECC with ASHRAE 90.1-2007 effective July 1, 2010. Respective county and municipality government shall exclude agricultural structures from the provisions of the current and new codes. |
| Florida | The 2010 Florida Building Code | EnergyGauge Summit FlaCom | See Florida Building Code | As stringent as ASHRAE 90.1-2007. | REScheck now supports the 2010 Florida Building Code. The user must select the Florida option under codes. |
| Georgia | 2009 IECC with Georgia state amendments | Can use COMcheck (must choose 90.1-2007 ASHRAE Standard as code option) | GA Amendments | As stringent as 2009 IECC | |
| Guam | 2009 IBC with reference to 2009 IECC | As stringent as the 2009 IECC | Guam continues to improve on its energy code and has teamed up with other territories and Hawaii to develop a Tropical Energy Code. | ||
| Hawaii | Hawaii County adopted the amended 2006 IECC in October 2010 Maui County adopted and amended 2006 IECC in October, 2009 Honolulu County adopted and amended 2006 IECC in November, 2009 Kauai County adopted and amended 2009 IECC in May, 2010 |
As stringent as the 2006 IECC. | Architectural Energy Corporation has developed energy conservation codes and provided related consultation and training for the State of Hawaii. | ||
| Iowa | 2009 IECC with reference to ASHRAE 90.1-2007. | Can use COMcheck. | Minor amendments (IAC, Ch 303, p.1) related to Chapter 1 regarding deleting sections regarding construction document requirements, inspections, fees, stop work orders, and board of appeals. | As stringent as the 2009 IECC. | |
| Idaho | 2009 IECC with reference to ASHRAE 90.1-2007. | Can use COMcheck. | None. | As stringent as the 2009 IECC. | As of January 1, 2011 all jurisdictions are required to comply with the 2009 IECC. |
| Illinois | The 2009 IECC with reference to ASHRAE Standard 90.1-2007. | Can use COMcheck. | None. | As stringent as the 2009 IECC. | Legislation passed in 2009 amending the Energy Efficient Commercial Buildings Act to the Energy Efficient Buildings Act, and requiring residential buildings to conform to energy efficient standards that apply to commercial buildings. |
| Indiana | 2010 Indiana Energy Conservation Code based on ASHRAE 90.1-2007. | Can use COMcheck. | New commercial code with amendments can be viewed at Title 675 Fire Prevention and Building Safety Commission | As stringent as 90.1-2007. | On April 5, 2012 the 2009 IRC with amendments became effective for residential construction. |
| Kansas | The State has adopted the 2006 IECC as the applicable EE standard for commercial and industrial buildings in Kansas (KSA 66-1227). The same law also states that "The state corporation commission has no authority to adopt or enforce energy efficiency standards for residential, commercial, or industrial structures." | Can use COMcheck | |||
| Kentucky | 2009 IECC | Can use COMcheck in areas that allow its use. Kentucky Energy Conservation Workbook For Residential and Commercial Buildings |
2007 KY Building Code | As stringent as the 2009 IECC. | KY moves forward with the 2009 IECC by reference in their updated 2007 Kentucky Building Code. “IECC-09 (Effective 3/6/2011 with mandatory compliance beginning 6/1/2011) KY Residential was also updated, however, the provisions for the 2006 IECC remain unchanged. |
| Louisiana | ASHRAE 90.1-2007 | Can use COMcheck | None | As stringent as ASHRAE 90.1-07 | |
| Massachusetts | MA's Board of Building Regulations and Standards (BBRS) has amended the code as of January 1, 2010, requiring the use of the 2009 IECC with MA's amendments instead of the 2006 IECC. | ||||
| Maryland | 2012 IECC. | Can use COMcheck. | None. | As stringent as the 2009 IECC. | 2012 IECC is effective as of January 1, 2012. Code compliance software tool, REScheck will not have the 2012 IECC code option available until February 2012. COMcheck will not have the 2012 IECC code option available until March 2012, however, ASHRAE 90.1-2010 can currently be used as a code option in COMcheck. For commercial buildings the 2012 IECC has a direct reference for compliance to ASHRAE Standard 90.1-2010. |
| Maine | None statewide | Can use COMcheck | The most recent bill, LD 1416 was signed into law on June 24,2011 effectively repealing the statewide code (2009 IECC), by making it only optional to communities under 4,000 population size (roughly 40% of Maine). As of June 2011, only 15% of the state has chosen to adopt the code locally. | ||
| Michigan | ASHRAE 90.1-2007 | Can use COMcheck | 2009 MI Uniform Energy Code Rules | As stringent as ASHRAE 90.1-07 | The energy code in Michigan has been finalized. The new code will be the 2009 International Energy Conservation Code for residential dwellings and ASHRAE 90.1-2007 for commercial buildings. The code will go into effect in March 2011. |
| Minnesota | Commercial Energy Code based on ASHRAE Standard 90.1-2004 with amendments. | Compliance forms can be downloaded from ASHRAE. Cannot use COMcheck. |
Commercial Energy Code | More stringent than 90.1-2004. | The 2009 editions of the International Residential Code (IRC), International Building Code (IBC), and International Fire Code (IFC) will be published soon and the Construction Codes and Licensing Division and the State Fire Marshal Division have been discussing this adoption. |
| Missouri | None statewide. | Can use COMcheck in areas that allow its use. | None | St. Louis County adopted the 2009 IECC on November 1, 2010. St. Louis County Public Works
Reviewed proposed legislation to create a state building code including energy codes. Benefit - caught a number of errors in the legislation that if not addressed could have caused problems in the future for the state and those being regulated by the resultant energy code which is adoption of the current IECC and 90.1-2007. |
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| Commonwealth of the Northern Mariana Islands | Tropical Model Energy Code | October 2009, N. Mariana Islands adopted the Tropical Model Energy Code based on the 2009 IBC and energy provisions for residential and commercial buildings.
No effective date determined. |
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| Mississippi | 90-1975 is mandatory for state-owned buildings, public buildings, and high-rise buildings only. | ||||
| Montana | 2009 IECC with reference to ASHRAE 90.1-2007. | Can use COMcheck to demonstrate compliance. | None. | As stringent as the 2009 IECC. | |
| North Carolina | 2012 North Carolina Energy Conservation Code | Can use COMcheck. | More stringent than the 2009 IECC. | Mandatory compliance of the 2012 North Carolina Energy Conservation Code became effective March 1, 2012. | |
| North Dakota | None statewide. Chapter 13 of 2009 IBC is contingent on adoption by local jurisdiction. | Can use COMcheck in jurisdictions that have adopted recent energy codes and allow its use. | Effective in August 2009, the state's voluntary energy codes (the 1993 MEC and ASHRAE 90.1-1989) were removed. With the new statute, the state's Code Advisory Committee must include energy requirements in the state building codes (currently, the 2006 I-Codes with the energy efficiency sections of Chapter 11 of the IRC and Chapter 13 of the IBC removed). These codes are, of course, still voluntary and subject to adoption by local ordinance. | ||
| Nebraska | 2009 IECC | Can use COMcheck | Cities and counties may adopt codes that differ from the Nebraska Energy Code, however, state law requires the adopted code to be equivalent to the Nebraska Energy Code.
For existing buildings: only those renovations that will cost more than 50 percent of the replacement cost of the building must comply with the Code. |
As stringent as the 2009 IECC. | Nebraska Legislature adopted the 2009 IECC/ASHRAE 90.1-2007 and the effective date is August 27, 2011 |
| New Hampshire | 2009 IECC with direct reference for compliance to ASHRAE Standard 90.1-2007 | Can use COMcheck. | 103.5 Compliance. Exception: Any structure three stories or less above grade plane in height and less than 4000 square feet in gross floor area is permitted to show envelope compliance based on Chapter 4. | As stringent as the 2009 IECC. | |
| New Jersey | ASHRAE 90.1-2007 with minor modifications. | Can use COMcheck
For additional information see Bulletin 11-1 |
New Jersey amendments | As stringent as ASHRAE 90.1-2007 | On 9/7/10, the State of NJ adopted the 2009 IECC for low-rise
residential buildings (one- and two-family dwellings and multiple-family
buildings three stories or less in height) and the 2007 ASHRAE 90.1 for
all other buildings, both with minimal amendments, in regards to energy
conservation. The amendments can be found on pages 39-41 of the
Energy Subcodes in the section labeled "N.J.A.C. 5:23-3.18".
With the adoption of the new codes begins a six month grace period to allow compliance with the previous codes, the 2006 IECC with amendments and 2004 ASHRAE 90.1 with minor amendments. A complete permit application has to be filed before March 7, 2011 to utilize these codes. On March 7, 2011, the 2009 IECC and 2007 ASHRAE 90.1 are the only energy conservation codes allowed. |
| New Mexico | 2009 IECC with Amendments | Can use COMcheck | New Mexico Amendments | As stringent as the 2009 IECC | The 2009 IECC became mandatory on January 1, 2012. |
| Nevada | 2006 IECC with reference to 90.1-2004. | Can use COMcheck. | Southern Nevada commerical amendments related to lighting power densities to better reflect casino resort buildings. | As stringent as the 2006 IECC. | On November 10, 2011, The Nevada State office of Energy adopted the 2009 IECC with an effective date of July 1, 2012. Jurisdictions in southern Nevada adopted the 2009 IECC effective July 5, 2011. |
| New York | 2009 IECC with NY State amendments, or ASHRAE 90.1-2007. | Can use COMCheck 3.8.0 or subsequent. | As stringent as the 2009 IECC. | Governor's Program Bill No. 6, A.42012/S.68012: The Energy Law of New York State was amended by the New York State Assembly and the Senate, and signed into Law by Governor Paterson on December 13, 2010. The single largest change will effect energy code applicablity in all building renovation projects, (required by the ARRA-2009), so that the Energy Conservation Construction Code of New York State -2010 (ECCCNYS) will be applicable to renovations involving building system replacement. Exemptions to compliance apply as allowed under Section 101.4, 101.4.3, and 101.4.6 of the energy Conservation Construction Code of New York State -2010, which are concurrent with compliance exemptions under the IECC 2009. The New York State Energy Law amendment is effictive January 1, 2011. New version of COMcheck 3.7.1 was posted with NY's state specific commercial code option that supports the Energy Conservation Construction Code of New York State-2010 NY Energy Conservation Code which is required for permit applications after December 28, 2010. Alternatively, if the building design is based on ASHRAE Standard 90.1 then 90.1 (2007) Standard code can be used to demonstrate compliance. If REScheck is used for residential compliance, you can download the most recent version of REScheck, (Version 4.4.1 and all subsequent versions). |
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| Ohio | 2009 IECC with reference to ASHRAE 90.1-2007. | Can use COMcheck. | As stringent as the 2009 IECC. | Effective November 1, 2011 the commercial code in Ohio is the 2009 IECC with a direct reference to ASHRAE 90.1-07. | |
| Oklahoma | IBC 2006 is recognized by the Oklahoma State Fire Marshall. | Can use COMcheck. | OK Referenced Standards | ||
| Oregon | 2010 Oregon Energy Efficiency Specialty Code (OEESC) are based on the 2009 IBC State-developed code that meets or exceeds 2009 IECC with several amendments with the majority of them regarding mechanical and service water heating. | Lastest version of COMcheck using the Oregon-specific location selection. | More stringent than 2009 IECC. | Effective July 1, 2011, the requirements of the state's updated residential code, Chapter 11 of the 2011 Oregon Residential Specialty Code (ORSC), will be identical to Chapter 4 of the 2010 Oregon Energy Efficiency Specialty Code (OEESC). This will be 10% more efficient than the current residential code, the 2008 ORSC. There will be a 90-day phase-in period through October 1, 2011. | |
| Pennsylvania | 2009 IECC with reference to ASHRAE 90.1-2007. | Can use COMcheck. | None. | As stringent as the 2009 IECC. | As of March 2011, several bills have been introduced, ranging from limited amendments to changes in the update process. One bill would complicate the process, making updates less likely. SB605 would move the code back to the 2006 code. |
| Puerto Rico | The adoption date of the IECC 2009 began on January 1st, 2011; however, the effective date of this code will be transitory. This means that the effectiveness of the IECC 2009 will depend on the Building Occupancy Group as defined in the IBC 2009, all the way through 2017, in order to fulfill with the 90% compliance as stated in the State Energy Program Regulations. Effective dates begin March 1, 2013 through March 1, 2016. PR Building Code 2011 |
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| Rhode Island | 2009 IECC with reference to ASHRAE 90.1-2007, effective July 1, 2010 with a 90 day interim period. | Can use COMcheck. | None. | As stringent as the 2009 IECC. | Rhode Island is the first state to adopt the International Green Construction Code (IGCC). The Rhode Island Green Buildings Act identifies the IGCC as an equivalent standard in compliance with requirements that all public agency major facility projects be designed and constructed as green buildings. The Rules and Regulations to implement the Act took effect in October 2010. |
| South Carolina | 2006 IECC. | Can use COMcheck. | None. | As stringent as the 2006 IECC. | On April 2, 2012, South Carolina adopted the 2009 IECC, to become effective on January 1, 2013. |
| South Dakota | None statewide. | South Dakota adopts the 2009 IECC as the voluntary energy standard for new residential construction. SB 94 was signed into law on March 15, 2011. Effective date is July 1, 2011. | |||
| Tennessee | 2006 IECC | Can use COMcheck | None | As stringent as the 2006 IECC | |
| Texas | 2009 IECC | Can use COMcheck | As stringent as the 2009 IECC. | As published in the Texas Register today: ADOPTED RULES June 4, 2010 35 TexReg 4727
19.53.Building Energy Efficiency Performance Standards. (a) Single-family residential construction. Effective January 1, 2012, the energy efficiency provisions of the International Residential Code as they existed on May 1, 2009, are adopted as the energy code in this state for single-family residential construction as it is defined in Health and Safety Code, 388.002(12). (b) All other residential, commercial, and industrial construction. Effective April 1, 2011, the International Energy Conservation Code as it existed on May 1, 2009, is adopted as the energy code for use in this state for all residential, commercial, and industrial construction that is not single-family residential construction under subsection (a) of this section.
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| Utah | 2009 IECC with reference to ASHRAE 90.1-2007. | Can use COMcheck. | None. | As stringent as the 2009 IECC. | In January, 2012, Bill 262 was received by the House Rules Committee. Bill 262 incorporates the 2009 IECC for residential buildings into the state building codes. See http://le.utah.gov/~2012/bills/hbillint/hb0262.htm for the text of Bill 262. |
| Virginia | 2009 IECC with reference to ASHRAE 90.1-2007 | Can use COMcheck | None | As stringent as the 2009 IECC | BHCD/DHCD will commence the 2012 USBC/IECC process in late 2012 through 2013 with an expected effective date in early 2014. |
| U.S. Virgin Islands | 2009 IECC | ||||
| Vermont | 2011 Vermont Commercial Building Energy Standards (CBES) based on the 2009 IECC with amendments. | Commercial Building Energy Standards | As stringent as the 2009 IECC. | Commercial Building Energy Standard will become effective on Jan. 3, incorporating elements of the 2012 IECC. | |
| Washington | State-developed code. | Nonresidential Energy Code Compliance Forms | WA 2009 Non Residential Codes | As stringent as ASHRAE 90.1-2007. | |
| Wisconsin | 2009 IECC
The 2009 ICC codes may be viewed on-line at: International Code Council |
Can use COMcheck | WI Amendments as addressed by SPS 361.05
SPS Chapter 363 specifically addresses amendments to the 2009 IECC. For example, if there is reference to SPS 363.0503, then the SPS 363 references only those amendments associated with the 2009 IECC (as based on language adopted in SPS 361.05), and 0503 indicates that section 503 of the 2009 IECC is being amended. |
As stringent as the 2009 IECC. | On Sept. 1, 2011, the Wisconsin Department of Safety & Professional Services, Division of Safety & Buildings, implemented a revision to the Wisconsin Commercial Building Code consisting of the adoption of the 2009 ICC codes as modified by Comm Chapters 60-66 (reference revised to SPS Chapters 360-366 on Jan. 1, 2012) |
| West Virginia | 2003 IECC with amendments. | Can use COMcheck. | West Virginia Building Code | As stringent as the 2003 IECC. | The West Virginia Legislature passed companion bills directing the State Fire Commission to promulagate rules adding the 2009 IECC and ASHRAE 90.1-2007 to the state building code. The Legislative session started Jan. 2010. |
| Wyoming | None statewide. The ICBO Uniform Building Code, which is based on the 1989 MEC, may be adopted and enforced by local jurisdictions. | Can use COMcheck in areas that have adopted more recent codes and allow its use. | None. | As stringent as the PRIOR 90A90B. |