Portable Air Conditioners This error message is only visible to WordPress admins Error: No connected account. Please go to the YouTube Feed settings page to connect an account. Best Air ConditionersA reliable air conditioner offers a myriad of benefits. Along with being able to relieve you from the discomfort of blistering heat or teeth-chattering cold, a well-chosen model can also offer better air quality, improved concentration and sleep. These wall-mounted air conditioners are split into two parts, an indoor unit and an outdoor unit.