Crawl space insulation worthwhile or not?

Hi, I’m trying to decide if it’s worth insulating my crawl space and was hoping for some advice? Here’s my situation:  The house…- 1-story in Oakland, CA- 100 years old, likely… Hi, I’m trying to decide if it’s worth insulating my crawl space and was hoping for some advice? Here’s my situation:  The house…- 1-story in Oakland, CA- 100 years old, likely…Read MoreGreenBuildingAdvisor