Most Energy Efficient Attic Insulation

The way your attic retains or releases heat can affect your entire house and implementing a simple set of solutions can make your attic more energy efficient.

Most energy efficient attic insulation.

However if you re remodeling an existing home spray foam is probably the best option for maximum energy efficiency. But your state s energy office or local utility may offer product rebates discounts or other financial incentives for insulating. Insulation level are specified by r value. Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly.

Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. Measure your attic s square footage. On average roll insulation costs less than other types of insulation source. See more on different types of insulation.

Insulation materials run the gamut from bulky fiber materials such as fiberglass rock and slag wool cellulose and natural fibers to rigid foam boards to sleek foils. The efficient attic solution. Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011. Energy efficient insulation while an important consideration is actually only one solution to attic heating and cooling issues.

R value is a measure of insulation s ability to resist heat traveling through it. The four step approach outlined below considers the whole attic as a system. Before you ever get insulation anywhere near the attic though make sure that you get the air leakage sites sealed up. So when it comes time to add or improve insulation in your house look for the one that has the most appropriate r value that works best for your.

Sometimes however insulation isn t enough. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. 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. Rigid foam boards trap air or another gas to resist conductive heat flow.

Depending on your geographic location the size of your. Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity. Loose fill cellulose or fiberglass can also be sprayed into existing structures. If you put an air permeable insulation material over a hole in your ceiling you may have comfort indoor air quality durability and efficiency problems.

How much to buy. See a state by state directory of such programs here. Loose fill or batt insulation is typically installed in an attic. The table below shows what levels of insulation are cost effective for different climates and locations in the home.