Since heat rises, insulation is the primary logical place when you need to enhance the efficiency of your HVAC units and reduce energy costs, to contemplate. Perhaps you are better prepared to make a good choice about what kind of loft insulation to think about when you understand why this area of the house is so important to success in this target. The insulation that the parents and grandparents may have used is not the only option; and it might not be the finest.