Heat rises, cold settles... chest freezers don't particularly need a door.
If you want to mod a freezer, shred up old jeans and replace the normal insulation with them... cotton denim is a better insulator than just about anything.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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