
Where to Buy
SANCTUARY® by Greenfiber is available at trusted retailers and distributors near you. Use our locator to get started.


Measure the financial impact of increasing your insulation performance with our energy savings calculator. Enter data from your energy bills into the required fields and calculate your results to see potential savings and how your insulation decisions can impact your CO2 emissions.
Enter the surface area of the space where insulation is to be upgraded.
Pick your heating type below. Then, enter the correct fuel cost for your area and furnace efficiency for your particular home.
(Note fuel costs vary greatly by area. Refer to your utility bill for the cost for your home. Learn how to calculate the cost here. Change the default amount for the most accurate estimation for potential savings.)
Pick your cooling type below. Then, enter the correct fuel cost for your area and cooling efficiency for your particular home.
(Note fuel costs vary greatly by area. Refer to your utility bill for the cost for your home. Learn how to calculate the cost here. Change the default amount for the most accurate estimation for potential savings.)
$150
$2,403.77
1514 Pounds per Year
This calculator is designed to provide approximate estimated potential savings. Actual savings can vary greatly depending on many factors including variations in fuel prices, accuracy of information used in calculations and other variables. A professional energy audit is the most accurate way to estimate potential savings for energy-efficient home improvements. Find a certified RESNET home energy auditor.
Our team of insulation experts is ready to help with product info, project advice or anything else you need to get the job done right.

