OCTAGON

Heat Pumps and Parts Therefor; Heat Exchangers Used in Combination with Heat Pipes in Commercial and/or Domestic Installations and Parts Therefor; Conduits for Liquids, Steam, Gas and Air for Use in Refrigerating and/or Heating Installations, Sold Individually or as a Unit; and Solar Heating and Cooling Units and Solar Panels for Use in Combination with Heat Pipes in Commercial and/or Domestic Installations