Do *I* need basement slab insulation, zone 5?

Basement finishing question in regards to insulating my slab floor.  23 year old concrete foundation basement in zone 5 (Central Indiana), zero insulation inside the basement and do not think… Basement finishing question in regards to insulating my slab floor.  23 year old concrete foundation basement in zone 5 (Central Indiana), zero insulation inside the basement and do not think…Read MoreGreenBuildingAdvisor