Attic Insulation To Cool House

How to insulate a finished attic.

Attic insulation to cool house.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. In that case what they really need is a whole house fan not a powered attic ventilator. R value is a measure of insulation s ability to resist heat flow. And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house.

If you live in an older house you ll have to inspect the insulation. Just as insulation keeps heat in during winter it helps keep it out during summer. 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. Insulating basement walls or slab foundation can reduce heating costs by10 to 20.

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. Having insulation in your attic can help you save up to 20 in heating and cooling costs. So it s time to pay close attention to what s happening up there.

If you live in a newer house you can probably get this information from the builder. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. Sometimes people say they want to install a pav to cool the house because they don t have ac. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

With a finished attic insulation must help keep the attic areas comfortable. Your attic insulation that s what. 10 of your home heating bill costs stem from uninsulated floors. The higher the r value the better the thermal performance of the insulation.

Insulation levels are specified by r value. In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq. Add the right kind of insulation. If you ve got a two story house and you re used to upstairs rooms always being hotter than downstairs rooms it s not necessarily because the heat inside your home is rising to the upper floor.

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.