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Heating and cooling account for 50 to 70 of the energy used in the average American home Using energy efficient insulation is one of the fastest and most cost-efficient ways to use a whole house approach to reduce energy waste and save money A good insulation system includes a combination of products and construction techniques that if used correctly can make the air in your home cleaner keep the home warm and control moisture By properly insulating your home you can also save 30 on your heating and cooling bill There are four main types of insulation - batts or rolls loose fill rigid foam boards and contractor applied foam All different types are made to fit in a different area of the home Batts are made to be placed between studs in the wall They are also placed between the rafters of your ceiling or floor Batts are usually made with fiberglass made from sand and recycled glass or rock wool made from basaltic rock and recycled material from steel Rolls also called blankets are used in the attic floors Rolls are most common type of fiberglass insulation Batts and rolls have an R-value of approximately 32 per inch and cost between 18 and 2 cents per square foot Loose fill insulation is more of a liquid form of insulation and can be blown into the attic or walls It is made out of fiberglass rock wool cellulose or cotton The R-value of loose fill insulation ranges from 22 to 37 per inch Loose fill insulation varies in thickness and is relatively cheap to apply costing between 16 and 2 cents per square foot Rigid foam boards are a type of insulation that is not fluffy like usual insulation but is hard or stiff It is made out of various polystyrene products The boards are lightweight and provide formation support to the building Rigid boards can be used in walls ceilings foundations and even
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