Enter your data into the fields where indicated.
Calculating attic insulation r value.
Input length width and desired r value of the area to be insulated.
Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.
R value is a measure of insulation s ability to resist heat traveling through it.
Inspecting your attic insulation.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
This calculator is to be used as an estimating tool only.
Go to the energy savers insulation page on the u s.
For more detailed information on insulation in your part of the country and recommended insulation r value for attics walls and floors.
Wear a dust mask gloves and a long sleeved shirt when working with insulation.
Insulation level are specified by r value.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
How to calculate existing r value in an attic 1.
This calculator is to be used as an estimating tool only.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
The table below shows what levels of insulation are cost effective for different climates and.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
This calculator is to be used as an estimating tool only.
Click the button to calculate the approximate r value for this job.
Insulation calculation once you have determined which r value you need you can calculate how much insulation you need.
Access the attic through the pull down ladder already installed in your home or with a stepladder placed so you can.
Recommended home insulation r values.
Refer to the project guide for more information on determining the right r value for your home.
To find the r value of the existing insulation in your attic multiply the number of inches of insulation by the r value for your particular type.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
The higher the r value the better the thermal performance of the insulation.
Department of energy website.
Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.
Fiberglass and other insulation.