Like standard efficiency gas furnaces, oil-burning furnaces also feature a combustion chamber, heat exchanger and exhaust ...

A furnace heat exchanger keeps dangerous gases out of the air circulating in the building. It's a must-have on any furnace that burns gas or oil.

The chamber of the furnace is built out of a water heater tank ... They are good for burning waste oil to achieve high heats. A scrap Volkswagen oil pump and a cordless drill are used to feed ...

Powerful, free radiating coiled wire elements are held firmly in the sides and roof of the chamber, which are constructed from rigidised low thermal mass insulation. A hard, dust-free, ceramic hearth ...