> (1) We need 240V outlets for EV charging (costs cents at construction time, costs $3000 - $8000 later) Cents for an outlet vs thousands for an EVSE retrofit

> (1) We need 240V outlets for EV charging (costs cents at construction time, costs $3000 - $8000 later) Cents for an outlet vs thousands for an EVSE retrofit is comparing the cost of different things. The $3k-$8k isn't paying just for an outlet, but for the labor required to run a suitable gauge conductor from a suitable breaker to the outlet, including opening and repairing any walls. In new construction, it won't be as high, but it will be around $1k (depending on your labor market) when you include electrical design and installation labor. I know this because I've done both retrofit and new construction installation of an EVSE. > (4) Indoor air needs a lot of work, in addition to heat pump for heating and cooling, we have to consider heat recovery, enthalpy recovery, humidity, UV and most importantly particulate matter. And mold prevention. Recent discussion on mold, lots of people reporting problems: https://news.ycombinator.com/item?id=38543229 https://news.ycombinator.com/item?id=38543229 Even beyond mold, there's allergens. Since living in an air-quality controlled home, my seasonal allergies have greatly diminished, which directly translates to better sleep. > 1 million USD, moldy, rickety, poorly insulated crap homes with so many ongoing issues and will cost hundreds of thousands to retrofit and make it livable. There is a general problem with the real estate market that, lacking regulations that require disclosure, buyers aren't educated about energy/air-quality issues they might be getting into, and sellers are incentivized to cover up any such issues (i.e. by throwing open windows and running air filters during open houses). Simply requiring a disclosure of a summary of energy use over the last year (at monthly granularity) would make a big difference.