• History Chems6147-x :

    • Efficiency rating
      1,874.14
      WN7
      1,784.89
      WN8
      4,160.99
    • Efficiency rating
      1,935.12
      WN7
      1,831.28
      WN8
      3,263.13
    • Efficiency rating
      1,716.41
      WN7
      1,289.88
      WN8
      2,815.12
    • Efficiency rating
      2,016.52
      WN7
      1,789.48
      WN8
      3,400.61