RE General Electric HVAC
Ge built from 1934 thru 1958 the most complicated, advanced and by far the most efficient oil furnace on the market, The burner sat on TOP of the boiler/furnace and fired downward, cleanest quietest unit anyone ever thought up , they were getting 80 plus percent efficiency in the 30s! A few are still running but parts are scarce, My hometown is full of them, about everyone who was a banker, lawyer doctor or business man had one