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12 regular issues per year
Published on the 25th of every month, JARN is a monthly English magazine for the heating, ventilating and air Conditioning & refrigeration (HVAC&R) industry |
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| 4 special edition issues per year
4 special editions issues on compressor, air conditioner, component, parts & heat pump, and chiller and large AC equipment are published in February, May, August, and November, respectively |
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