Closing duct runs that run past last vent
Our 36' TT only has 4 AC ceiling vents(MBR, Bath, LR and Bunkroom). It has a 15k BTU AC. When I popped off the ceiling vent in MBR and Bunkroom the duct works continues past the vent 3-4'. This see...
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Air like water will escape through the path of the least resistance. So closing off that small section of over run of pipe will not help you. Actually it forms it own dead head at the vent outlet.
