heat loss from houses

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  • Created by: Missy
  • Created on: 15-05-11 10:18
  • 20% of heat is lost through the roof so we use loft insulation. This is fibre glass, air gets trapped and air is a good insulator.
  • 12% of heat is lost through windows so we use double glazing, either dry air or a vacuum is between the two layers. dry air reduces heat loss through conduction and a vacuum reduces loss from convection as well.
  • 4% of heat is…


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