Stilly, the Dalek is a nickname, I think, for bins of the same shape. I've some neighbours who are extreme gardeners and they use them after the hotbin - they take out the hotbin contents onto a board or plastic sheet and rake the stuff over, putting anything undigested back in the hotbin, then they put the rest into the Dalek, and the worms come from miles, gnashing their teeth and slavering, to get at it; so when it's taken out and used, it's full of fine healthy earthworms and is a smooth black tilth. They've offered to come and help me with this when I come to that stage, which will probably be in March or so.
I'm considering buying an air fryer (probably a Ninja for two reasons: the innards are ceramic non-stick rather than Tefal; and the labour conditions are a central conditions of the maker). My non-brand reason is that it's a lot less hungry than an electric oven. Because of our planning system, we're being ridiculously slow about building windfarms, and our grid is under some strain because we host a lot of server farms. Lessening use of the oven would be a good thing - though I don't know yet whether an air fryer would handle the main things that go into the oven: Eve's Pudding and roast chicken. From the sound of it, you already have an air fryer - isn't a convection oven just a big air fryer?
MaJoC, normally there are no worms in the hotbin, it's too hot; when it cools a bit and I see some young worms I transfer them. Though come to think of it, I've been transferring them into the ancillary hotbin which isn't currently hotting; maybe I should think again about that.
patty, thank you, I'll try those steak fries. I made cheese scones yesterday from Jamie Oliver's website, where he has a few air fryer recipes, and they turned out well. My main discovery so far is that you need to cook a good 20º Celsius lower than in a fan oven, and cooking takes around half the time.