Cooling and Heating

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Cooling

How to Make Cooling Systems

  1. How to Make a Low Cost Cooling System for Bottles and Jar
  2. How to Make a Desert Fridge
  3. How to Make a Dry Well
  4. Refrigeration for Developing Countries
  5. How to Build an Air Conditioning

Insulation

  1. Insulation Materials
  2. Heat Insulation with Cardboard
  3. Heat Insulation with Paper
  4. Heat Insulation with Wool
  5. Heat Insulation with Cotton

Heating

Use of the Sun

  1. Heating with the Sun

Use of Biomass

  1. Heating with Wood
  2. How to Build an Efficient Wood Oven
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