The types of air conditioners available on the market are:

Portable: They are practical because they can be used in all the environments of the house where it is necessary the air conditioning and has zero cost of installation, two great advantages.
They work by expelling hot air to the outside and bringing cold air into the interior. These appliances also ensure air renewal.
The latest models are low noise and feature remote operation.

Split: Can be fixed or mobile. It has two different parts: one is installed inside and the other is outside the residence. In addition to keeping ambient air pleasant and temperature controlled, the splits still reduce operating noise because the condenser is external to the environment. They have air filtration system.
The movable type can be used in more than one residence or office environment.
The latest models are low noise and feature remote operation.

Central systems: They are recommended for commercial environments, for air conditioning of many environments simultaneously. It has higher cost of acquisition, operation and maintenance.
They are very quiet. They are not visible on the facades of buildings.