On Thu, 10 Jul 2014 21:25:41 -0500, "cshenk" > wrote:

>sf wrote in rec.food.cooking:
>> How did you block off the rest of the window? I don't see how it
>> would work with the window open letting warm air in.
>
>You only open it far enough for the vent which has an adustable plastic
>fitting that fits almost any window. You close the window up on that
>with holds it in.

That's exactly what I have.