According to the Environmental and Energy Study Institute (EESI), "While equipment prices have modestly risen under the standards, Lawrence Berkeley National Laboratory research indicates that the benefit energy savings are more than three times the cost on a net-present value basis". So here's the thing. With that much of an economic stimulation potential, why did the US Department of Energy resist implementing a SEER 13 standard? Would that have been admitting that climate change was real? Was it a case of free-market utopianism?
Image credit: Maytag Air Conditioner - M1010 13/14 SEER