Heating and cooling our school had a huge energy cost. So we successfully researched, planned and proposed a heat pump on campus
  • ryannathans
    1·
    5 months ago

    Any idea what operating range the US ones have? Are they still r32?

    • silence7@slrpnk.netOPM
      2·
      5 months ago

      Depends. There are ones like that still sold. There are ones which don’t switch to resistive heat until -10°F. Probably even colder too, but not sold where I live