Propane furnace sending heat to outside vent
Hi, Running our Suburban propane furnace it seems like the unit is pushing as much (or more) heat out of it's exterior vent as it is to the interior vents. At the vents the flow is a gentle convect...
Forum Discussion
Sam Spade wrote:ktmrfs wrote:
my sticks and bricks 15 year old gas furnace has a blower for the combustion air on the flue exhaust side. In fact, likely on almost any gas furnace anymore.
I'm sorry, I forgot about "high efficiency" gas furnaces, which have PVC plastic "chimneys" because the exhaust temperature is so low.
I have no information on whether or not that applies to "almost all" of them these days though.
And I had no idea that a "low end" trailer or RV would have that kind of arrangement. I stand corrected.
(I still haven't looked at mine.)
mine isn't even high efficiency, it is 80 percent, the lowest efficiency that is allowed but still has the fan. Same with my folks hot water (not steam) heat boiler which has ane exhaust fan.
