Crawl space insulation vs encapsulation

Hoping for some ideas for lowering energy bills and warming the floors of my 1970 ranch house. Northern California, marine zone 3.The vented crawl space (1700 sq ft)  has never… Hoping for some ideas for lowering energy bills and warming the floors of my 1970 ranch house. Northern California, marine zone 3.The vented crawl space (1700 sq ft)  has never…Read MoreGreenBuildingAdvisor