Update:
They’re heating the house without the furnace running!
The big one is noisy. The small one puts out a nice amount of heat, is quiet, and you get 40 TH/s. They say 37 in their marketing but it’s always at 40 (it’s been running for 10 days).
Now I’ve got to make sure that sending hash to nostr:nprofile1qqsq9k04vahllseell55m74n3047y88pzlr0z5yany32st29fapqmgspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsz8nhwden5te0dehhxarj94c82c3wwajkcmr0wfjx2u3wdejhgtcv0vr5k is the best way to go.