Solar Space Heating

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Across
  1. 3. cats enjoy solar thermal energy by sitting where
  2. 4. when solar thermal heat gets released
  3. 6. these numbers on windows make for better efficiency
  4. 7. window glass works best if it is high in what
  5. 9. besides water, this is a great heat collector
  6. 12. walls and windows must have to keep heat in
  7. 13. what sun spaces are designed to gain
  8. 14. the direction your house must face to produce solar
Down
  1. 1. am to three pm are the most productive solar hours
  2. 2. this material, used for floors, also holds heat
  3. 5. this is just as important as high absorption
  4. 8. the percent of heating a sun room can provide
  5. 10. these, fans and windows keep space from overheating
  6. 11. this is the best way to store solar thermal heat