How Much Does Roof Insulation Save

Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.

How much does roof insulation save.

Reflective roofs can reduce the temperature on the surface of the roof by as much as 30 percent which means that less heat gets into your home source. How much energy you will save depends on several factors such as your home s climate and environment how well insulated your current roof is the type of roof you have and the efficiency of your heating and cooling system. Insulating your attic could reduce your total heating costs by as much as 417 for gas or 1 152 for oil. Deciding if spray foam is right for you.

Epa estimates that homeowners can save an average of 15 on heating and cooling costs or an average of 11 on total energy costs by air sealing their homes and adding insulation in attics floors over crawl spaces and accessible basement rim joists. Methodology for estimated energy savings from cost effective air sealing and insulating. So it becomes impossible to save 30 on your total energy bills with spray foam on the roof decking when only 15 of your heat gain is coming from the attic space. In chicago the walls are the greatest source of heat loss and so wall insulation is the best upgrade you can choose for spray foam.

This is known as the albedo effect and many studies have documented significant energy savings from simply lightening the color of a roof. The most energy efficient roofs also have high emittance which means they re efficient at releasing any solar heat they have absorbed. Bge says that increasing insulation thickness from 2 to 3 inches r 5 to 8 to 14 r 30 inches can save you 95 to 145 per year in 2010 for every 1 200 square feet of ceiling area. The department of energy estimates that you can save up to 10 percent annually on your energy bill when you insulate your attic.