Oil and gas furnaces need a vent to dissipate combustion ... These are relatively easy parts to clean or, if necessary, replace. Whether you’re trying to understand how your furnace works ...

[Jake]’s DIY foundry furnace gets hot enough to melt aluminium, and is built out a mix of scrap parts ... the fuel and injecting it into the furnace. They are good for burning waste oil to ...

Although some furnaces generate heat through electricity, or by burning wood, coal or oil ... various parts of the home ...