Russia has some interesting thermal mass multi use oven/heater/bed combinations

See the ushanka show on YouTube

I wish they published more of the actual data they are working with . I guess i have to research which company has largest lowest cost reserves in politically stable areas and make a far OTM call LEAPS bet to be ready for summer next year. Hedging saved my financial viability in the last big inflation, fertilizer stocks paid for my food. so long as the financial system stays together .

This will likely hit in the apex of this current record breaking everything bubble , seems like the best candidate to pop the bubble.

you just described what you did in your post

nonsense. Link sources to demonstrate you aren’t just making stuff up