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cRiPpLe_rOoStEr · 10-19-2023, 10:52 PM

Besides freon-based air conditioners, maybe you remember ammonia-based absorption systems which used to be common on old fridges. AFAIK now these are only allowed for industrial purposes.

10-19-2023, 10:52 PM	#6 (permalink)
cRiPpLe_rOoStEr It's all about Diesel Join Date: Oct 2012 Location: Porto Alegre, Rio Grande do Sul, Brazil Posts: 12,630 Thanks: 0 Thanked 1,642 Times in 1,464 Posts	Besides freon-based air conditioners, maybe you remember ammonia-based absorption systems which used to be common on old fridges. AFAIK now these are only allowed for industrial purposes.