Whatever temperature you are comfortable, 78 F is recommended by utilities in summer.
In any other setting than full recirculation the system mixes inside and outside air. on max cool or full recirc. all vent to the outside are or should be closed.
you stay inside and let it go outside when it needs to.
Outside. Anything you do to the inside will restrict air flow.
Telescopes are used inside
Inside if the sentence inside the brackets is a question.
You can choose
No, it is not okay to put your oil central heating boiler outside. It should be in an enclosed area.
I Think Yes?
Check the capacitor located inside the outside condensing unit,usually the fan,compressor are wired together,if one is running the other should be running
Inside and out of the reach of children.
It depends...you want them to poo or pee inside your house?
I think you should keep rats outside in a good sized enclosure depending what size they are.