I really wanted to like this device. I liked its size and portability. However, I could only run it at about 1/3 power or it would blow up my entire magazine. Not only the 50 amp 220 line it was plugged into, it also tripped the 60 amp circuit breaker in the main box in the house that powers my separate shop. I have a free standing 30x30 shop with 12 foot ceilings. He is "somewhat" isolated, but not very much. If you had enough switches to power this thing it would probably work great, but it will eat you out of the house for the electricity. I sent it back and just bought a kerosene torpedo heater (inside/outside). It's much more efficient. I was concerned about having to constantly feed the torpedo heaters, but they have pretty good "mileage" and provide a lot more heat for the money.
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