10 votes
Accepted

What is the best way to add a vent over this door?

Common HVAC grilles are routinely installed directly to framing (or even drywall, with hollow wall anchors). Cold air returns are traditionally just framing voids. This situation is really no ...
isherwood's user avatar
  • 129k
4 votes

Why is my neighbor's A/C causing my walls to sweat?

This plan seems to assume that water is coming through the wall from the neighbor's side to yours. If the problem is caused by temperature-based condensation, this has no hope of working, because the ...
aghast's user avatar
  • 1,592
2 votes

What is the best way to add a vent over this door?

Don't. Buy a same-size and same handedness door with the vent built in. Remount the hinges and you are done.
gbronner's user avatar
  • 5,148
2 votes

Why is my neighbor's A/C causing my walls to sweat?

A much simpler solution here would be to add thermal insulation to minimize the heat transfer pulling your side to below the dew point. None of what that contractor is proposing is adding thermal ...
ratchet freak's user avatar

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