Builders spend money on things that make them profit and home buyers don't particularly evaluate efficiency.
After that you figure out how to spend public money on lower efficiency structures. Fraught, but spend money where it's likely to pay off and it probably works out okay.
Builders spend money on things that make them profit and home buyers don't particularly evaluate efficiency.
After that you figure out how to spend public money on lower efficiency structures. Fraught, but spend money where it's likely to pay off and it probably works out okay.