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NEVER exhaust a grow room through a furnace chimney!

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READ DESCRIPTION! I had to make this episode because some people actually do this and a few have gotten hurt! HVAC is a complex topic; a lot more so than most people would think. Its enormously complicated when you start researching it in detail. Despite that, a few growers through history have tried exhausting their grow room air through their furnace chimney with no HVAC knowledge because it seemed convenient. A few have regretted it big time. Remember that your grow room fan is at least 4″ an

3 comments on “NEVER exhaust a grow room through a furnace chimney!

  1. aleksandr2006 on

    I highly, highly recommend you make an effort to provide some minimal exhaust. Depending on your overall layout, size of room, temperatures, humidity etc….your plants might still be just fine without exhaust, but you may be losing in final harvest quality &/or quantity.

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