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mike mike is offline
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Default sealing A/C ducts & boots by registers

DerbyDad03 wrote:
What's a boot?


end of runs of the insulated sheetmetal, in the attic, terminate in a boot
which attaches to the registers

And why are we doing this?


for the purpose of sealing some small leaks where warm air from attic is
mixed into the cooled air flowing from the register. this should improve
performance a little bit and would also stop a couple registers from
dripping condensate (inside temp is 77F but air from register is coming in
at 59-61 and a couple leaky boots are condensing on the outer surface)