Passive Annual Heat Storage (PAHS) Publications


The Ultimate Alternative Energy Source:

  • Use your home itself to collect FREE solar heat all SUMMER.
  • Heat the earth around your home while cooling your home passively, and without machinery or commercial energy.
  • Retrieve heat from the soil all WINTER to keep your home cozy.
  • It's all passive. No machinery, no commercial energy.
  • FREE solar heat stored throughout the SUMMER becomes a year-round natural thermal resource.
  • Use stored heat to power a convection ventilation system that provides WARM air all WINTER, COOL air all SUMMER.
  • Use stored free heat to preheat domestic hot water.
  • Use stored free heat to distill water and do other thermal tasks.




  • PASSIVE ANNUAL HEAT STORAGE - IMPROVING THE DESIGN OF EARTH SHELTERS


    Passive Annual Heat Storage - Improving the Design of Earth Shelters


    By Hait. Spiral bound 1983 original, 152 pages, 8.5 x 11 inches. Still the world's most advanced text on earth sheltering. PAHS heating & cooling systems, underground water control, convection powered earth tube ventilating systems, heat flow control, radiant, convective, conductive, "transportive."




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