Excerpt:
Newer models can also be a low-carbon solution as these prefabricated homes, which are built in large pieces for easy assembly, can include things like heat pumps and solar panels, in contrast to older models that relied on propane or natural gas. Older models can also be eligible for retrofits to make them more energy efficient and climate-friendly.
“They’re a pretty terrific solution,” said Rumbach. “Unfortunately, by law, in many places in the country [mobile homes] are not allowed to be placed anymore because there is such a cultural stigma.”
Unless something has drastically changed recently, they literally use building scrap to make mobile homes.
I’ve worked on several of them, all of the construction is sub-par. Interior wall lumber is often shorter pieces, scabbed together.