Dear Isabella,

Today's youth, so unintentionally humorous.  You know, for much of recorded history, humans didn't have air conditioning.  Alas, we grow accustomed to our comforts.

Try this:  close all of the air vents downstairs.  Make sure all of the vents upstairs are open.  Let the AC run.

All of the cold air will be funneled upstairs.  Cool air will eventually fall throughout your townhouse.  See if this doesn't make it easier to sleep.

Now, if your thermostat is downstairs, it may rarely register a cool enough temperature to turn off.  And the concentrated coldness may turn upstairs into Siberia.  To balance energy costs with comfort both upstairs and down, experiment opening and closing different combinations of vents.

-- M

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