According to the Department of Energy (DOE) more than 80% of homes built prior to 1980 have little or no insulation, and attic insulation is usually where you’ll get “the most bang for your buck.”
The Harvard School of Public Health estimated that if every family in the United States properly insulated their homes, there would be:
Poorly insulated attics will cause heat on extremely hot days to leak into YOUR living room or Family Room, and the opposite in the Winter.
Sprayed as a liquid and expanding, this type of Insulation will give you a VERY long lifespan, Give you air TIGHT seal and moisture barrier. Although a higher cost than the others, it is the most efficient, and energy efficient.
The most eco-friendly of the group, this inexpensive insulation is still a great option. Although the messiest, it will still give you great energy conserving, and still some solid air quality.
The most common and inexpensive of the group, Fiberglass insulation is still very common. Easy to install and providing solid air and energy conserving, you can’t go wrong with this insulation.