‘‘(A) Effective on the date of enactment of
the American Clean Energy and Security Act of
2009, 30 percent reduction in energy use relative
to a comparable building constructed in compliance with the baseline code;
‘‘(B) effective January 1, 2014, for residential buildings, and January 1, 2015, for commercial buildings, 50 percent reduction in energy use relative to the baseline code; and
‘‘(C) effective January 1, 2017, for residential buildings, and January 1, 2018, for commercial buildings, and every 3 years thereafter, respectively, through January 1, 2029, and January 1, 2030, 5 percent additional reduction in
energy use relative to the baseline code." Read More...
Anyone familiar with LEED would know that this few paragraphs sound like they came right out of the reference guide. How does this relate to you, Revit world? Do a search on this blog and google about programs such as Ecotect, Integrated Environmental Solutions, Green Building Studio, and and other analysis programs...
Now do a search on the formulas and calculations involved in determining the energy usage of a building the OLD way... yeah... what makes sense?