A stuck compressor contactor. Do not turn off the indoor fan until you have either shut off the breaker or pulled the fuses to the outdoor unit and stopped the compressor, or damage may result.
There are many reasons why an air conditioning compressor might not turn off. There is likely a wire that is not connected properly.
Yes if designed to do so.
If it works properly, never.
No. If you need to replace it you pay for it.
Turning off sprinklers should not burn up an air conditioning unit.
There are a few instances that will allow ( I am assuming when your saying inside unit you are referring to the the circulation fan for your building ) the inside unit to run. Check the "mode" on your thermostat. Is selected to auto fan? this will allow the the fan to run continuously regardless if the air conditioning is cooling or not . If the thermostat is switched to the heating mode the furnace will be operating and the air conditioning unit will remain inoperative while the furnace mode is selected. Is the inside unit running and no cool air is being produced while the air conditioning mode is selected ? Contact your HVAC&R technician to trouble shoot the unit.
You can buy a window air conditioning unit anytime of the year. You just need to go to your local hardware store like Home Deport or Lowes and purchase it there.
$6000.00
Yes there is. You can get this at any place that sells air conditioning units. This could be Walmart, Kmart, Target , Beds Bath and Beyond or Lowes and Home Depot. You can also order it from a dealer who sells air conditioning parts if those stores do not have it in stock. Yes, you can purchase HEPA filters for your home air conditioning unit. These are a great choice, as they are much more energy efficient and produce cleaner air.
The chemical in the air conditioning unit needs replaced.
Mitsubishi Electic brand is top of the line for auto air conditioning units. You can find great deals on these units at Home Depot. They offer free consultations at your home.
It is recommended that if you are at home to keep the thermostat at 75 degrees, if you are not at home then shut it off and do not let it run until you are back home. A AC unit uses a lot of power when it is in, but if it is on properly at 72 degrees then it will not be to hard on your electricity bill.