QUESTION:
What is R factor?
ANSWER:
R factor is thermal resistance; a number denoting the resistance a material or system offers in the flow of heat, ft.2-°F-h/Btu – John Bonforte, Sr.
QUESTION:
ANSWER:
R factor is thermal resistance; a number denoting the resistance a material or system offers in the flow of heat, ft.2-°F-h/Btu – John Bonforte, Sr.