Espar type heater to replace older furnace.
I was just wondering if anyone has chaged out there propane furnace for a diesel type. I am thinking of doing this as my propane furnce is getting old, uses a lot of propane, uses a lot of power, is ...
Forum Discussion
S Davis wrote:HMS Beagle wrote:
On the other hand, no way a diesel Espar type is going to be 90%. To get into the 90s a heater has to be condensing, and they are not even close to that.
Getting 87% combustion efficiency is fairly normal on oil, there are even blueflame burners that are in the low 90% range that are non condensing.
Combustion efficiency doesn't mean much when you couple it with lousy heat exchanger.
