Dual-hose portable ACs are usually able to cool a space more quickly and uniformly. I've also listed some factors you should take into consideration when choosing the right AC for your household. This will help you save money on your monthly utility bill without compromising comfort. You can choose between four energy-efficient options: cool, heat, fan and dehumidify. The smoke will enter through the negative gradient of pressure. One of these pipes will be called the suction lines, while the second one will be called the discharge lines. In addition, most devices provide a dehumidifier-only mode for year-round use. These AC units are also convenient and portable as they can be moved from room to room and don't require complex installation. The air conditioning system will not be required in every room. The temperature set point is based upon the return air that enters the portable ac units. This air conditioner's primary function is to maintain the humidity level in the air. Dual hose units cool an area faster than single hose models, making them perfect for larger spaces.