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Originally Posted by Fman  I understand what you want. I hope this pic. helps. The intake air that is coming in from under the house is 76*. There is a 200 mh cfm 25' away pushing air to my room. The exhaust fan is a 350cfm drawing the hot air out the roof of my room. Where are you going to get your fresh air from? If you are going to get your intake from the same place your exhausting into, you might find that to be a problem. As you can see my 250mh is 90* and thats with cooler air blowing over it . I hope this helps. Also I included pics of my air ducts . Both the room and light are cooled from the same plenum, thats behind the wall on the floor. I know a mh is not a hps, but I dont think there is much difference in heat. Watts is watts. And that is where the heat come from (I think). Attachment 12312 Attachment 12313 Attachment 12314 Attachment 12315 Attachment 12316 Attachment 12317 Attachment 12318 Attachment 12319 |
Damn...That's a crazy set-up...very clean and detailed. Thank you for the reply, but what you have going I think is what i have planned for my "plan D" (down the line).
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Originally Posted by scott06 I get it now, you want to know how much the heat in your room, not your cab, would rise....correct?
In a sealed environment your room and cab would eventually reach the same temp...one of those thermodynamic priciples....but rooms are far from perfectly sealed and the lights are cycling on and off so I can't predict the rise with any accuracy...but I never head of exhaust heat from a 250w cab ever causing a problem...the heat should disapate quickly if the cab is venting into a room bigger than a closet...is that what you are trying to find out? |
yes, this is what i was asking. Thank you. I couldn't find anyone who explained this set up and if it works.
much mahalo,
kailiwela44