Just an observation, really
by Keith Taylor
Beat up, but still going strong
I have looked at some of your haybox pages and am frankly quite amazed at the hoops through which people have been jumping to build a perfectly simple, straight-forward heat retainer. At its simplest, a cardboard box with some old clothing (preferably woollen) packed under, over and around a pot is perfectly adequate and does the job admirably. If you're short of old clothing, crumpled newpaper will do, but it's not as good as old wool jerseys.
One can go farther and line the cardboard box with 50mm (2") expanded polystyrene sheet (? styrofoam) and use old clothing, newspaper or rags to pack around the pot.
One of mine is a polystyrene foam cooler box packed with old clothing.
They will all keep food hot (and simmering) for up to twelve hours, turning the toughest meats into the most delicious, tender stews, while using less energy than a slow cooker.
I cannot understand why people want to spend a lot of time, energy and money on what is supposed, in the end, to be a time, labour and money-saving device! Keep it simple ... isn't that the core of the sentiment?
Just remember to hang out the padding to dry, as it can become quite damp from the steam the escapes around the lid of the pot.
We have been using our present two for well over ten years ... I guess it shows.