1 of 3

Slide Notes

DownloadGo Live

Keeping Houses Warm Or Cool

Published on Nov 28, 2015

No Description

PRESENTATION OUTLINE

KEEPING HOUSES WARM OR COOL

  • Insulation keeps your house warm when it is cold outside.
  • Insulation can keep your house cool when it is hot outside.
  • Insulation has been around for a very long time
  • Indians in America used animal skins inside their tepees to keep warm.
  • Māori used raupō and pungo because they are not solid and trap the air.

Untitled Slide

  • Today there are a lot of insulation products avalible
  • Insulation traps air and this is what insulates the buildings
  • Insulation products can be manmade like fibreglass bats
  • Insulation products can be natural like straw or wool
  • Insulation products can be made from recycled materials like mushed up paper

HEAT LOSS IN A HOUSE

  • The biggest heat loss is through the roof
  • The second biggest is through the windows
  • You can have double glazed windows and long thermal curtains to keep the heat in
  • You can use insulation between the roof and the ceiling to trap air and stop heat going out through the roof