Within the building, there would be a core zone and a periphery zone, each insulated from the other and controlled by their own thermostats. On the main floor, the core would contain the daily-use spaces, such as kitchen, living and dining rooms, while the periphery would contain non-essential spaces, such as the vestibule and the ballroom (remember, this is a Victorian home). Upstairs, bedrooms would be within the core, but a balcony-style home office, which overlooks the vestibule, would be part of the periphery.Read more.