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Dom Basic Refrigeration Circuit July 29, 2021, 4:09 am
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This article was written by HVAC/furnace technician Benoît Mongeau. Thank you, Ben. High efficiency (or 90%, or condensing) furnaces use a set of two heat exchangers to retrieve more heat from the combustion products than their mid-efficiency counterparts. Because of this, they generate flue gases much colder than those of a mid-efficiency or […]
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