Air Sealing



  • Requires a Home Energy Assessment and a post air sealing blower door test
  • Air infiltration levels must be measured by a blower door test before and after air sealing
  • Your project must demonstrate at least a 10% air leakage reduction, as measured in CFM50 by a blower door test

Let’s Get Started!

If you have any issues with our form, please email or call us (970-925-9775) and we will help you.
CORE is a 501(c)(3) nonprofit dedicated to leading the Roaring Fork Valley to a carbon-free, net zero energy future. Under the guidance of a Board of Directors–made up of elected officials, utility representatives, and committed citizens–CORE helps people, businesses, municipalities, facilities and nonprofit organizations save natural resources and lower energy bills while reducing their carbon footprint.