yep, my dad and a buddy made a smoker out of an old metal lined refrigerator (or might have been an upright freezer) using underground duct over to a half buried trash can (or barrel) that use a few charcoal briquettes for heat and live oak bark/chunks for smoke, then cut a hole top back, elbow and ran ducting down to below the bottom shelf in the fridge so the entire fridge filled up with smoke down to the bottom of the ducting for exhaust. They did bacon, hams, turkeys, jerky, etc. ... could run cold of about 100-110 degrees or hot up to 200-225 depending on how big of a fire in the separate fire box and air draft in/out. worked like a charm!!! Those older metal lined fridge/freezers are hard to come by and OSHA has outlawed the door handles since they are not child safe (kid could get locked inside)...
"everyone that lives dies but not everyone who dies lived..."