One of the toughest sells for contractors is the upfront costs of a new HVACR system, regardless of how quick the energy efficiency or environmental preservation paybacks might be.
So one has to wonder if authors Mark Jacobson and Cristina Archer had any upfront costs in mind when they wrote a study that appeared in the Proceedings of the National Academy of Sciences. As reported by USA Today, the study contended that wind power “could easily satisfy the global human energy demand.”