RB102.1 Optional Energy Efficiency Measures—One Step
Building owners may choose to use this appendix to achieve an additional 6-percent savings in building energy use. The number of additional energy efficiency credits required by Section R406.3 would be increased by the following amounts:
1.0 credit for each new single-family, two-family and townhouse dwelling unit.
0.5 credit for each new dwelling unit within an R-2 occupancy building.