The prevailing industry perception is that zero energy is cost prohibitive and suitable only for showcase projects with atypical, large budgets; however, there is mounting evidence that zero energy can, in many cases, be achieved within typical construction budgets. To help users maximize the opportunity for cost control in their projects, this guide from NREL provides the following content: detailed discussion of recommended cost control strategies which are grouped by project phase and accompanied by industry examples, recommendations for balancing key decision-making factors, and quick reference tables that can help design teams apply strategies to specific projects.