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My family lives on the high floor of an apartment. Pigeons live under our air conditioner outdoor unit too. They cry every morning so it bothers my brother. But there is nothing much we can do. The floor is so high and no space to stand, so we can't get out from the window to get rid of them. We are thinking about calling an exterminator.

How to get rid of pigeons under an outdoor unit? And how to prevent them afterward?

  • What do you mean by "unit"? – Harper - Reinstate Monica May 10 '18 at 20:03
  • Can we assume you're referring to an air conditioning unit? – fixer1234 May 10 '18 at 20:28
  • @fixer1234 Yes. I'll clarify the words. – user2652379 May 10 '18 at 22:36
  • usually the air conditioner can slide into the apt, from the inside, if you remove the plastic trim. when you scoot the AC out, you can clean up the nest and wire off the openings. – dandavis May 11 '18 at 18:55
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If they have a nest with eggs or chicks, you will pretty much need to remove the nest to get rid of them because they will be very persistent in protecting the nest. If you don't care about being humane, you could make an "L" shaped tool to reach under the unit and knock the nest out. Use a mirror on a long pole to see what you're doing.

If they are just congregating under the unit, you can use repellent foil. It's a Mylar ribbon imprinted with an irridescent holographic pattern. You can find it at places like Amazon or big hardware chains. Here's an example:

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The patterns vary. Apparently, birds can't focus on the pattern and it scares them away from landing. Just hanging it in the vicinity keeps birds away:

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In the picture above, there is some hung vertically and some horizontally to protect different areas. In the picture below, they just have some ribbons of it that flap in the wind:

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For your problem under the unit, you would make a big loop of it, drop the loop under the unit from the window (assuming it's under a window), and fasten the ends in a reachable spot. If there is nothing good to fasten them to, and you can reach the top of the unit, staple the ends to a board that sits on top of the unit. You might want several loops of different lengths if there's a big area underneath. If you use a board, secure the board with adhesive, or double-sided mounting tape, so wind doesn't blow it off and cause damage or injury below.

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