Most Energy Efficient Attic Insulation
Depending on your geographic location the size of your.
Most energy efficient attic insulation. To find out if you have enough attic insulation measure the thickness of the insulation. Loose fill cellulose or fiberglass can also be sprayed into existing structures. See more on different types of insulation. Before you ever get insulation anywhere near the attic though make sure that you get the air leakage sites sealed up.
Most federal tax credits for weatherizing your house and boosting its energy efficiency expired in 2011. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The higher the r value the better the thermal performance of the insulation. 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.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. 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. The efficient attic solution. The four step approach outlined below considers the whole attic as a system.
Addressing all forms of heat gain loss and moisture related concerns is essential to creating an efficient healthy cost effective and sustainable efficient attic system. 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. However if you re remodeling an existing home spray foam is probably the best option for maximum energy efficiency. Loose fill or batt insulation is typically installed in an attic.
Measure your attic s square footage. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. Loose fill insulation is usually less expensive to install than batt insulation and provides better coverage when installed properly. 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.
Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity. R value is a measure of insulation s ability to resist heat traveling through it. Sometimes however insulation isn t enough. See a state by state directory of such programs here.
But your state s energy office or local utility may offer product rebates discounts or other financial incentives for insulating. On average roll insulation costs less than other types of insulation source. How much to buy. Rigid foam boards trap air or another gas to resist conductive heat flow.