Duct Insulation Calculator
Duct Insulation
Estimate energy savings from insulating ductwork.
Formula
Savings = Surface Area x TempDiff x (1 - 1/R)
Frequently Asked Questions
What R-value is best for ducts?
R-6 or R-8 insulation is recommended for most duct systems.
Should I insulate all ducts?
Insulate ducts in unconditioned spaces like attics and crawl spaces.