Aluminum melting furnaces are designed with energy efficiency in mind. As energy consumption is a significant cost in aluminum production, many furnaces are equipped with features that reduce energy waste. For example, some furnaces are fitted with heat recovery systems that capture the heat from exhaust gases and redirect it back into the furnace. This helps reduce the amount of ener... https://www.silcarb.com/industrial-furnaces/crucible-type-aluminium-melting-furnaces.php