How to Keep Rain From Leaking in Mobile Home Windows With Air Conditioners

Some owners of mobile homes use window-mounted air conditioners to cool their homes. Rainwater sometimes leaks into the home around the window unit. Prevention of this problem is important not only for the obvious, immediate purpose of avoiding a collection of water in the floor beneath the window, but also because consistent moisture may breed mold and mildew and cause rot of some surfaces. Multiple remedies for problem are available.

Screwdriver
Caulk gun
Level
Foam weather stripping
Canopy

Instructions

- 1
  Inspect the side accordion panels on the window unit. These panels are supposed to extend from the unit to the sides of the windows. If there is a gap, rain may leak in. Loosen the screws around the panels and stretch them out wider to tighten any gaps. Tighten the screws again.
- 2
  Check for holes in the accordion panels and in the seal around the window frame itself. If you see holes, seal them with caulk.
- 3
  Ensure the window unit is level. A tilt in the unit may make moisture run inside the window. If the unit is tilted, loosen the screws around the accordion panels, level the unit and tighten the screws again.
- 4
  Install foam weather stripping around the unit and the window to keep moisture out.
- 5
  Erect a canopy over the unit to prevent rain from reaching the unit or the window. Awnings and independent tent structures are options for this type of task.

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