| 摘要 |
<p>1. A heating installation comprising a heater having liquid or gas burner combined with a heat pump, and the heat to be delivered by said heat pump being supplied to the return flow of the heating medium by heat exchangers, and the cooling medium being arranged to be heated by the waste gases of the burner in the heat exchanger, characterized in that the heat exchanger (44) is arranged to cool the waste gases to room temperature and condensate thereby produced on the heat exchanger surfaces is collected in collecting means.</p> |
