TRACE® 3D Plus is the industry go-to for load calculations and energy analysis. When it comes to multi-story buildings with spaces that are very similar floor-to-floor, the Zone Multiplier feature makes calculations easier than ever. Start with the basics of your building, then group similar spaces together and multiply across the building to minimize calculations. See first-hand how TRACE® 3D Plus Zone Multiplier could save you time on your next energy analysis project.