Unconditioned basement. Insulate walls or trusses ceiling?

Hello. New construction (zone 3 southern Utah), with unconditioned walk out basement. Half concrete walls, half framed walls. One door to backyard, no windows. Super insulated and well air sealed main… Hello. New construction (zone 3 southern Utah), with unconditioned walk out basement. Half concrete walls, half framed walls. One door to backyard, no windows. Super insulated and well air sealed main…Read MoreGreenBuildingAdvisor