Oct 25, 2010 #1 salma ali bakr Advanced Member level 3 Joined Jan 27, 2006 Messages 969 Helped 104 Reputation 206 Reaction score 21 Trophy points 1,298 Activity points 7,491 Hello, I'd like to know the difference between a heat exchanger and a heat retriever, if any... Thanks
Hello, I'd like to know the difference between a heat exchanger and a heat retriever, if any... Thanks
Mar 13, 2011 #2 C chuckey Advanced Member level 6 Joined Dec 26, 2010 Messages 4,854 Helped 1,309 Reputation 2,624 Reaction score 1,281 Trophy points 1,393 Location Southampton and holiday cottage in Wensleydale (UK Activity points 31,695 Do you mean an "economiser"? Frank