INSULATION

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INSULATION

• Saving Energy

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INSULATION

• The following article was published in the
  Sunday Times.
• You will be given a copy of this article for your
  exercise book.

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(No Transcript)
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Cold Comfort

• Read carefully through the whole sheet
• Underline or highlight passages from the text
  that indicate where Adas heat currently comes
  from.
• In a different colour underline or highlight
  passages from the text that indicate how the
  supply of heat to Ada could be improved.

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Cold Comfort

• Write a detailed report of recommendations for
  improving Adas situation.
• Who should pay for the improvements to Adas
  house justify your answer.

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How heat is lost from a house
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25 of the heat is lost through the roof
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25 of the heat is lost through the roof
15 of the heat is lost through the windows
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25 of the heat is lost through the roof
15 of the heat is lost through the windows
Draughts, 15
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25 of the heat is lost through the roof
15 of the heat is lost through the windows
Draughts, 15
Into ground, 15
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25 of the heat is lost through the roof
Walls, 30
15 of the heat is lost through the windows
Draughts, 15
Into ground, 15
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How heat is kept in a house
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10cm of fibre glass insulation reduces heat loss
through the roof by 75
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10cm of fibre glass insulation reduces heat loss
through the roof by 75
Fill the cavity in the walls with foam and reduce
heat loss by 50
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10cm of fibre glass insulation reduces heat loss
through the roof by 75
Double glazing can reduce heat loss from the
windows by 50
Fill the cavity in the walls with foam and reduce
heat loss by 50
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10cm of fibre glass insulation reduces heat loss
through the roof by 75
Double glazing can reduce heat loss from the
windows by 50
Fill the cavity in the walls with foam and reduce
heat loss by 50
Draught excluders are cheap and stop heat loss
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10cm of fibre glass insulation reduces heat loss
through the roof by 75
Double glazing can reduce heat loss from the
windows by 50
Fill the cavity in the walls with foam and reduce
heat loss by 50
Draught excluders are cheap and stop heat loss
Solid concrete floors lose only half as much heat
as wooden ones.