Publications

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Document type: Model Data
Publication Date: May 2012
Page Focus: Code Development

The International Energy Conservation Code (IECC) prototype building models (prototype models) were developed by Pacific Northwest National Laboratory (PNNL), in support of DOE's Building Energy Codes Program (BECP), to simulate energy savings associated with changes in energy codes and standards. For residential buildings, PNNL utilized two base prototypes to simulate both Single-family detached house, and Multi-family low-rise apartment building types. Energy models for the 2006, 2009 and 2012 versions of the IECC are available for each state.

This set of IECC Prototype Building Models is for the state of New York, using the 2006 IECC as the baseline code.

Each ZIP file includes EnergyPlus model input files (.idf) and corresponding output files (.html).

Document type: State-specific, Technical Assistance report
Publication Date: September 2009
Page Focus: Adoption

This analysis of residential energy code compares the requirements of the 2009 International Energy Conservation Code (IECC) with the residential code—or typical construction practice in the absence of a code—in most states as of June 2009. The results, which include estimated typical energy savings of updating each state’s code to the 2009 IECC, are provided in chapters specific to each state.

Several states have either not adopted a mandatory energy code or developed their own codes which have minimal or no connection to the IECC. The latter—including California, Florida, Oregon, and Washington— were not included in this analysis because the codes in these states would be difficult to appropriately compare to the 2009 IECC and most of these states have energy offices that have already assessed the IECC on their own.

Document type: State-specific, Technical Assistance report
Publication Date: April 2004
Page Focus: Adoption

The state of New York asked the U.S. Department of Energy to evaluate the cost-effectiveness of the requirement for heat recovery for service water heating that exists in the 2003 International Energy Conservation Code to determine whether this requirement should be adopted into the New York State Energy code.

Document type: State-specific, Technical Assistance report
Publication Date: September 2004
Page Focus: Adoption

The New York State Department of State requested the U.S. Department of Energy (DOE) compare the effects on energy usage as a result of implementation of the 2004 Supplement to the International Energy Conservation Code with the current New York code. The comparison had to determine whether additional costs of compliance with the proposal would be equal to or less than the present value of anticipated energy cost savings over a 10-year period. Under DOE's direction, Pacific Northwest National Laboratory completed the requested assessment of the potential code upgrade.

Document type: State-specific, Technical Assistance report
Publication Date: June 2004
Page Focus: Adoption

The state of New York asked the U.S. Department of Energy to analyze the potential energy effect and cost-effectiveness of the lighting requirements in the 2003 International Energy Conservation Code as they consider adoption of this energy code. The new provisions of interest in the lighting section of the 2003 IECC include new lighting power densities and requirements for automatic lighting shutoff controls.

Document type: State-specific
Publication Date: July 2013
Page Focus: Adoption

In compliance with Title III of the Energy Conservation and Production Act (ECPA) of 1976, as amended, this is to certify that the State of New York has adopted the 2010 edition of the Energy Conservation Construction Code of New York State (the "2010 ECCCNYS") as New York State's building energy code for residential buildings and non-residential (commercial) buildings.

With regard to residential buildings, the 2010 ECCCNYS is based on, and is equivalent to or more stringent than, the 2009 version of the International Energy Conservation Code.

With regard to commercial buildings, the 2010 ECCCNYS is equivalent to or more stringent than ASHRAE 90.1-2007.

Document type: Analysis
Publication Date: February 2015
Page Focus: Code Development

These analyses evaluate the cost-effectiveness of the prescriptive path of the 2015 edition of the International Energy Conservation Code (IECC), relative to the 2006 IECC for all 50 states and the District of Columbia. The analysis covers one- and two-family dwelling units, town-homes, and low-rise multifamily residential buildings covered by the residential provisions of the 2015 IECC. These reports were originally published in October 2015, and updated in February 2016 to update numbers reported in certain results tables.