Would it actually raise the cost? Yes, a heat pump is more expensive than a gas furnace, but for an all-electric home you save the cost of a gas hookup. Hell, w

Would it actually raise the cost? Yes, a heat pump is more expensive than a gas furnace, but for an all-electric home you save the cost of a gas hookup. Hell, when building new neighborhoods, can save infrastructure costs by not building out gas infrastructure. Also, depending on what kind of heat pump you install it can also function as an AC unit, so you don't need to install separate AC. Besides, if you're concerned about affordable housing, wouldn't (in the US at least) the first priority be to kill single-family zoning?