Attic Insulation R30 Vs R60
Those up north will want anything from r49 to r60.
Attic insulation r30 vs r60. Another way to estimate the savings is a bit crude but there are 5 loss areas windows and doors walls ceilings floors and foundation and air leakage. The bottom line is that although you can certainly put r 40 insulation under your slab or r 80 insulation in your walls it may not be the smartest thing to do. Fwiw the recommendation for our region is r30 to r60 in an uninsulated attic so no help there. I climbed up to attic and noticed that there are batts of insulation but not much blown in will post a picture.
The more you use the better insulated your home will be. While there are also insulation recommendations for walls and floors this article will deal mainly with the oft overlooked attics. Use this insulation savings calculator to measure the financial impact of increasing your insulation performance. 30 grains of black powder will drive that lead ball just fine.
Whoa whoa david oswald you ve just entered the domain of the law of diminishing returns. Take a look at the bigger picture and see whether you might be better served by reducing the size of the home finding ways to save on water heating appliances and plug loads or. Add insulation to attic. Enter your data into the fields where indicated.
Sixty grains even faster. On the original question more is better but the crossover from a cost benefit may not be there for r60. Cut that is half with the extra insulation and you save 50 per year. Attic insulation is about r30 rolled batts with some blown in fiberglass above it.
My daughters room has cathedral ceilings and is always about 2 3 degrees cooler in winter and 2 3 degrees hotter is summer. Existing 3 4 inches of insulation. Home built in 2000. Remember r 30 is great insulation and r 60 is over the hill.
Assign 20 to each and you get 100 for each area. Here s what i mean. 90 grains might be approaching the ma. For example those in the southernmost part of the us attics should have from r30 to r60 average is r38.