Adding blown-in insulation to your attic space is definitely one of the ... barrier and maximizing efficiency/lowering utility costs. While you're up there, pay attention to light fixtures.
Adding blown-in insulation to your attic space is a popular way to improve energy efficiency and reduce heating and cooling costs. But what if you already have fiberglass insulation? Do you need ...
For attic walls, the recommended R-value varies based on climate zones. Each type has pros and cons. For example, fiberglass insulation is cost-effective ... insulation or blown-in cellulose ...