To obtain maximum energy conservation and minimum annual operating costs, insulation thickness should be based on what the authors call Economic Thickness of Insulation (ETI). ETI is calculated by using a series of formulas.
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To obtain maximum energy conservation and minimum annual operating costs, insulation thickness should be based on what the authors call Economic Thickness of Insulation (ETI). ETI is calculated by using a series of formulas. What makes this handbook so valuable is not just its presentation of the ETI formulas but the handy, easy-to-use charts and tables derived from them.
