Should I use spray foam in my unconditioned attic?

My home was built in circa 2005, Zone 6b (WV). 2x story colonial. My Trane Air Handler is in the attic, which is unconditioned. After routine HVAC maintenance, the tech… My home was built in circa 2005, Zone 6b (WV). 2x story colonial. My Trane Air Handler is in the attic, which is unconditioned. After routine HVAC maintenance, the tech…Read MoreGreenBuildingAdvisor