Santeri Viinamäki / Wikimedia Commons

An air source heat pump, like this one, work a bit like an air conditioner in reverse.

A consultant’s report on decarbonizing the heating sector emphasizes efficiency and renewables, but not heat pumps. 

A state-commissioned analysis of how Rhode Island can decarbonize its heating sector over the next 30 years is drawing criticism for failing to recommend an aggressive plan for transitioning to electric heat pumps.

Prepared by the Brattle Group, a global consulting firm based in Boston, the report says that there is not yet a “clear winner” among decarbonized heating technologies. It cites “substantial overlapping uncertainty about the future economic attractiveness” of those technologies, including the comparative costs of renewable fuels, heat pumps and the clean

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