Page Comparison

Design Energy Code Equivalents

Design Energy Code

Approximate % Reduction from Average

ASHRAE 90.1-1999

10%

ASHRAE 90.1-2001

10%

ASHRAE 90.1-2004

25%

ASHRAE 90.1-2007

31%

ASHRAE 90.1-2010

42%

ASHRAE 90.1-2013

46%

ASHRAE 90.1-2016

50%

California Title 24 2005 for high rise residential

35%

California Title 24 2005 for single family residential

30%

California Title 24 2008

40%

California Title 24 2010

40%

California Title 24 2013

48%

California Title 24 2016

53%

California Title 24 Non Residential 2008

40%

California Title 24 Residential 2005

35%

California Title 24 Residential 2008

40%

IECC 2003

10%

IECC 2006

20%

IECC 2009

31%

IECC 2012

42%

IECC 2015

46%

*NECB 2011

45%

51%

Older than 1999

0%

Massachusetts Stretch Code

52%

Oregon Energy Code

25%

Oregon Energy Code 2010

34%

Oregon Energy Code 2014

40%

Oregon Energy Efficiency Specialty Code 2010

25%

Oregon Energy Efficiency Specialty Code 2014

40%

Washington Energy Code

25%

Washington Energy Code 2012

25%

Washington Energy Code 2015

48%

Note: These are estimates of code comparison based on analyses by Pacific Northwest National Laboratory, New Buildings Institute, and Architecture 2030. These percentages are provided to enable the inclusion of non-modeled projects in analysis for the AIA 2030 Commitment.

*Source for this code is from the National Research Council Canada.