Exo Endosol™ 101 Geothermal Fluid

(ethanol-based geothermal fluid)


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Exo Endosol101 Geothermal Fluid is an ethanol-based geothermal fluid designed to provide maximum heat transfer characteristics in closed-loop ground source heat pump systems. Exo Exo Endosol101 Geothermal Fluid includes a specially formulated inhibitor package to help prevent unit corrosion and fluid degradation, key aspects in maintaining efficiency and extending system operation. Additional benefits include,

  • Low maintenance and long life expectancy,
  • Low viscosity and maximum heat transfer efficiency.
  • Will not damage or corrode tools.
  • Compatible with plastic tubing and pipes, including polyethylene used in geothermal loops.

With greater concern over environmental safety, Exo Endosol101 Geothermal Fluid provides a sensible alternative to methanol.

Freeze Point Chart

% volume Freeze Point °F Specific Gravity 68°F
20 20.1 0.975
25 15.3 0.970
30 9.6 0.965
35 3.8 0.959
40 -2.6 0.953
45 -11.3 0.946
50 -18.4 0.938
55 -24.4 0.929
60 -30.0 0.920

Water Quality Specification