Most Efficient Insulation For Attic

This will be the most heavily insulated part of.

Most efficient insulation for attic. Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011. Attics generally require an r value of r 35 to r 45. Most often found in attics basements walls floors and ceilings insulation can save up to 20 percent on a home s heating and cooling costs making it one of the most important energy efficient tools at your disposal. Would that insulation also be the most energy efficient.

By crawl space above your house i assume you mean the attic area. The higher the r value the better the thermal performance of the insulation. Insulation is one of the most effective ways to improve the energy efficiency of your attic. Installing high r value insulation in your attic will create a barrier to prevent the heat or cold from escaping thus making your home more energy efficient.

The attic is the easiest place to insulate and the most important in terms of saving money and energy. I d blow insulation on the attic floor after air sealing of course. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Blown in cellulose is an excellent option for an attic because it will fill all the.

For this application i would recommend either. Sealing large air leaks is next followed by insulating the basement. Loose fill or batt the common term for blanket insulation. A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.

So it s time to pay close attention to what s happening up there. Submitted by ian macleod on thu 02 05 2009 04 00. The big disadvantage with spray foam is cost. Insulation level are specified by r value.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. R value is a measure of insulation s ability to resist heat traveling through it. When comparing types of insulation you should remember that they re measured in terms of their resistance to heat flow indicated by r value choosing the right insulation type can vary depending on your needs and your desire to be green.

Spray foam products are most easily installed in newly constructed homes. For diy attic insulation you ve got two choices. But your state s energy office or local utility may offer product rebates discounts or other financial incentives for. Sometimes however insulation isn t enough.

On average roll insulation costs less than other types of insulation source.