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sarthaknitw sarthaknitw
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6 years ago
The home of the Rocky Mountain Institute demonstrates that
 
  a. homes in sun-intense areas can do without central heating systems
  b. solar energy alone can heat a home
  c. little natural gas is needed to heat a home compared to coal burning furnaces
  d. energy efficient design and renewable energy alternatives can work in cold climates
  e. using energy efficient design is very expensive
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pm_me_ur_standspm_me_ur_stands
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6 years ago
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sarthaknitw Author
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6 years ago
Good timing, thanks!
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Yesterday
Thanks
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2 hours ago
Helped a lot
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