Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.
Attic insulation payback calculator.
Department of energy to find out how long it will take to payback your investment in terms of savings in energy costs.
Signs that your attic insulation is subpar include drafts uneven temperatures between rooms high heating cooling bills and ice dams in the winter i e those pretty icicles that hang from the.
This calculator is to be used as an estimating tool only.
Years to payback is the time required for the insulation to save enough fuel from heating at present prices to pay for itself.
Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.
Remodeling magazine publishes an annual cost vs.
A simple payback is the initial investment divided by annual savings after taxes.
Do you have a quote for an insulation upgrade.
Use our calculator based on an equation from the u s.
Enter your data into the fields where indicated.
The equation works only for uniform sections of the home.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity.
Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.
Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.
A payback calculator for insulation retrofits calculate how long it will take for energy savings to pay back a planned investment in attic or wall insulation by gba team august 24 2010.
What you need to use this calculator.
Value report in which they show national and regional average prices for a set of typical home improvements as well as the payback of these improvements in terms of enhanced home value.
Input length and width of area to be insulated.
Inspecting your attic insulation.
2016 was the first time insulation was included specifically adding fiberglass attic insulation.
Determine your current type of insulation and the thickness amount in your walls or attic.
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.