State-Level Energy Efficiency Potential in the U.S. Single-Family Housing Stock

Winter 2017
A version of this article appears in the Winter 2017 issue of Home Energy Magazine.
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October 29, 2017
A homeowner needs to replace an HVAC system. What replacement equipment best meets the multiple goals of affordability, energy efficiency, and comfort? Is the upfront cost of a highly efficient variable-speed heat pump in the homeowner’s best interest? Or is the homeowner better off installing a more efficient version of the current equipment?

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