exhaust and vent size on fridge build using lump

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bbqonice

Fire Starter
Original poster
Apr 15, 2012
48
10
Moose Jaw, Saskatchewan Canada
hi...I finished my fridge build this past spring...being smoking and bbqing up a storm since....but fridge is still work in progress.  for fire I just use tin pan and put lump and wood chips on the bottom of the interior of the fridge.  Sometimes put a heat sink about the coals, etc.

I installed a 1 3/4 inch ball valve for my exhaust at the top back( we designed this way on our walk in smokers)

the door had no fireplace seal for most of the summer...so I smoked with a 3/4 inch gap around the door...which certainly helped with fresh air and exhaust.

I now have the fireplace gasket in place...but it just seals...but slight gap...maybe couple mils in places. 

I smoked a turkey today for 5 and half hours and when I latched the door shut it held steady rock on for over 4hrs right at 290 to 300.  It has being reinsulated with roxul...2" so I know it can hold temp.

I know some fresh air is getting in around the door past the gasket and there is smoke coming out of the ball valve at the back.

Food has tasted great...no overbearing smoke taste.

Should I put a 1" intake hole to adjust it the front low down?

how have you guys done exhaust and intake.
 
BBQONICE

For intake and exhaust I would probably use the same size for both. By using a ball valve on the intake you can adjust how much vent you are getting to control things.

Mike
 
Thanks Mike....I bought one a while back 1" but did not install because I am still moving the unit in and out of the garage...have to take my ball valve off  so might do a side install.  your right...I can still adjust the flow.
 
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