The hybrid water heater is great, it’s a GE GeoSpring 50 gallon. The catch is they’re only suitable located in an un-heated/cooled space - e.g. the garage or something like that, which ours is. Will do windows first, they’ll start saving energy the day they’re installed. The paint will last another year or two at…

This seems to be an American condition at least, houses are either totally wrecked or renovated to a high standard. It’s hard to stuff in the middle - something that the previous owners just lived in, maintained but didn’t destroy.