If you don't know what to do, take it to a registered mechanic to get the repair costs appraised. From their, you can choose to get it fixed at a shop or do it yourself.
Most states require an HVAC certification for performing work on heating and air conditioning systems. While not all employees of a heating and air conditioning company need to be certified, at least one employee on the job should be.
no..
"Where" should you plant trees to save on the air conditioning costs of a building?
No electricity
no
Portable air conditioning is great for work or any place where you have different preferences than other people. It would not, however, be a good replacement for a home air conditioning system.
I don't think you should shirk paying, because then you could possibly get evicted. i would put in a complaint, and if that doesn't work, then you can tell him/her too lower your rent for lack of air conditioning. If they refuse, then get a small window unit.
yes
True
no
No. While in air conditioning mode, the air will assist in the dehumidification.
Air conditioning allowed people in hot climates to be more productive. It allowed them to work in occupations that would be dangerous from the heat. Air conditioning added the element of safety to hot occupations.