Spirit of Ma'at: "Living Off the Grid" — Vol 2 April 2002

 Heat Pumps 101
by Carol Hiltner

 Footnotes:

  1. "Geothermal Heat Pumps Make Sense for Homeowners," U.S. Department of Energy:
  2. "Using a Heat Pump to Cool," AC Doctor: acdoctor.com/air_conditioning/heat_pumps.htm
  3. Wessner, Cecilia, editor. "How It Works: Ground-Source Heat Pump," Popular Science magazine, February 1996, p. 73: igshpa.okstate.edu/Technology/MoreInfo/PopularScience/How_It_Works.html
  4. Iowa Heat Pump Association: iaheatpump.org
  5. "Finance Fact Sheet," International Ground Source Heat Pump Association (IGSHPA): igshpa.okstate.edu/Technology/MoreInfo/FactSheet/FinanceFactSheet.htm
  6. Energy Ideas: energyideas.org/energy_solutions/res_details.cfm?resourceID=2006&keyword=heat%20pump
  7. Center for Excellence in Absorption Technology describes the physics of both compression and absorption systems in detail, including figures: rclsgi.eng.ohio-state.edu/~christ-r/ceat/theory/theory.html
  8. "Why Buy An Energy Efficient Heat Pump?" Department of Energy's Office of Codes and Standards Energy Efficient Appliances: eren.doe.gov/buildings/consumer_information/ heatpump/pumpwhy.html
  9. "Residential Heat Pump Water Heaters," U.S. Department of Energy Federal Technology Alert: pnl.gov/fta/3_res.htm
  10. See reference 4.
  11. "Tips for Buying a New Heat Pump," U.S. Department of Energy's Office of Codes and Standards Energy Efficient Appliances: eren.doe.gov/buildings/consumer_information/ heatpump/pumptips.html
  12. International Ground Source Heat Pump Association (IGSHPA): igshpa.okstate.edu
  13. See reference 4.
  14. Ibid.
  15. "Do It Naturally!" International Ground Source Heat Pump Association (IGSHPA): igshpa.okstate.edu/Publications/Brochures/Do_It_Naturally/din.htm
  16. See reference 11.
  17. "Frequently Asked Questions," Iowa Heat Pump Association: iaheatpump.org/faq.html
  18. "Air-Source Heat Pumps," U.S. Department of Energy: eren.doe.gov/erec/factsheets/airheatpump.html
  19. See reference 2.
  20. See reference 5.
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