Seeing the >212 temp on the exhaust nakes me feel like there is a lot of wasted heat. I kinda wish there was a way to pill some of the heat off the exhaust before it leaves the house
Yup Selkirk DT. Works great for me.I seem to recall seeing a vent pipe that had an integral outside air intake, so that the exhaust preheated the combustion air. In effect the exhaust was in a sleeve around the outside air intake. At least some of the exhaust heat would get used that way.
1840! Might as well just leave the windows open.
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