Normally an air conditioner is controlled by the tenant as part of his electricity.
They are $2 apiece. If I were your landlord and you asked me that I would turn it off.
Never, unless it is expressly written in your lease agreement.
It is Illeagal to make a u turn in a residential area.
It is Illeagal to make a u turn in a residential area.
No. Police or Sherriff will have them turn it back on.
If you pay the landlord for your electricity and it is an agreement in the rental contract and you are in the rears of your payment, it may be legal for the landlord to do so. To be sure, contact a lawyer.
the weather getting cool when the landlord should turn on on the heat
Only when you don't turn it on.
There are many reasons why an air conditioning compressor might not turn off. There is likely a wire that is not connected properly.
Except for maintenance purposes (which the landlord should notify you of ahead of time), the only one who can turn off the electricity is the power company. If the landlord refuses to turn the electricity back on, you have been constructively evicted. See the Related Questions below for information on how to proceed.
I don't know of a state that requires a landlord to provide air conditioning. I'm in Massachusetts, which, like most states has laws about heat, but not A/C. So, this wouldn't violate any sanitary code. It might be a breach of contract, but, then, if you didn't pay your rent, that goes both ways.
Turn it around