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ECONOMIC THICKNESS OF INSULATION: AN EASIER WAY.

Author(s) : HARRIS P.

Type of article: Article

Summary

THE NORMAL METHOD OF ASSESSING ECONOMIC THICKNESS OF INSULATION IS TO PLOT AMORTISED COST OF INSULATION AND COST OF ENERGY LOST AGAINST DIFFERENT THICKNESSES. THE SUM OF THE TWO LINES GIVES A MINIMUM WHERE THE SLOPES ARE EQUAL AND OPPOSITE. THE ASSUMPTIONS MADE ARE THAT INSULATION COST IS LINEAR WITH THICKNESS AND THAT ENERGY COSTS ARE KNOWN OVER THE AMORTISED PERIOD. GENERALLY THE FORMER IS INCORRECT AND THE LATTER A GUESS. THE AUTHOR SUGGESTS AN ALTERNATIVE METHOD BASED ON THE TRUE COST OF INSULATION ALONE. D.W.H.

Details

  • Original title: ECONOMIC THICKNESS OF INSULATION: AN EASIER WAY.
  • Record ID : 1986-1147
  • Languages: English
  • Source: AIRAH J. - vol. 39 - n. 5
  • Publication date: 1985/05
  • Document available for consultation in the library of the IIR headquarters only.

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