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12-08-2012, 09:41 AM #1
trouble with Mitsubishi Zuba systemI've seen the Zuba operate at -20C and output 43C. I'd say that is pretty amazing. What's more amazing than that is the fact that the defrost runs for only 3 minutes in roughly 6 hours of heating. I have one installed in my house and I've saved around $700 in heating over last year and this winter is much colder.