You need to be smart while choosing an air conditioner for your home because purchasing an oversized AC unit may later cause a number of problems to the user.
Never forget that a sudden change in the surrounding temperature can be harmful to your health and therefore it is important to use an air conditioner carefully.
Having a good expertise is enough to fix minor AC issues, but some serious problems can't be resolved by the users themselves and in that case, calling an expert is a better alternative.
It is impossible for an air conditioner to control the indoor temperature with damaged coils and therefore it is mandatory to maintain the AC coils properly.