Advocates want new building codes to include a heat-pump provision that could benefit consumers and the climate. But regulators have cooled on the proposal.
Because it costs about $5 more to put in a valve which lets them work both ways, and people don’t really know that this is a possibility, so they don’t ask for it.
Because it costs about $5 more to put in a valve which lets them work both ways, and people don’t really know that this is a possibility, so they don’t ask for it.