The building is well insulated - Brick exterior with insulation in walls, roof top and floors between each level has insulation.
Windows are replacement - thermo pane plus the triple trac storm system.
Electric systems are up dated. The apartments are heated by electric, paid by tenants. Electric is billed to each apartment. There are separate electric hot water heaters for each store and apartment, paid by tenant to operate and each unit has a night rate service. There are no leases, only signed agreement of rules and regulations.