Maybe they will get off their "lazy asses" and steal your air conditioner.

I had one tenant who called to complain the air conditioner wasn't working in all the rooms.

TJ got kicked out quickly (took my curtains but luckily left the appliances and the window air conditioners). 

Its usually like $700 in my area, and it protects you for the first year from any major things like the fridge, pool pump, or air conditioner breaking.2.

Not only that, but how on earth would the air conditioner situation work as I don't see how tenants and the landlord could operate a single AC handler since of course everyone prefers a different temperature.I see a lot of people house hacking... but I'm trouble understanding how I could make it work due to the above 3 issues?

In the front unit I installed through-wall air conditioners; one for the living room and one for the bedroom.

You may think to take out the unattractive window units and install the new mini room air conditioners that wall mount and come with remote controls.

Use exhaust fans or open the windows in the kitchen and bathroom when cooking and showering and for awhile afterward.)Use air conditioners and de-humidifiers when needed.Unfortunately, @Bruce Chang, whether there is or isn't a mold hazard in the home, the tenant may perceive there is.

Thus there will be an additional air barrier in the "Attic" for insulation.Below we use a very small Air conditioner unit and 3 small wall heater units.

House was vacant for 2 months without the air conditioner or heater from mid February through mid April.