Attic Insulation To Cool House

10 of your home heating bill costs stem from uninsulated floors.

Attic insulation to cool house.

Sometimes people say they want to install a pav to cool the house because they don t have ac. If you live in a newer house you can probably get this information from the builder. That means insulating the attic floor only not the walls and having vents in the roof. Having insulation in your attic can help you save up to 20 in heating and cooling costs.

Of vent for every 300 sq. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. Just as insulation keeps heat in during winter it helps keep it out during summer. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

Add the right kind of insulation. Your attic insulation that s what. And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house. You want high quality insulation in your attic as it will ensure that the cool air from your air conditioner can t escape your home.

Wall insulation can reduce a home s heat loss by 67 while attic insulation can lead to a 40 decrease in heating and cooling costs. Insulation levels are specified by r value. R value is a measure of insulation s ability to resist heat flow. Insulating basement walls or slab foundation can reduce heating costs by10 to 20.

And having insulation in your attic keeps the area at a consistent temperature. The higher the r value the better the thermal performance of the insulation. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. How to insulate a finished attic.

If you live in an older house you ll have to inspect the insulation. Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation. In that case what they really need is a whole house fan not a powered attic ventilator. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq.