This Haier air conditioner series (available in 1HP, 1.5HP, and 2.0HP models - HSU-10LPB23, HSU-13LPB21, and HSU-19LPB21 respectively) offers cooling using R32 refrigerant. It is a non-inverter type, providing consistent cooling power. The Nano Aqua Ionizer technology aims to improve air quality by releasing ions. This is a standard, reliable air conditioning option suitable for various room sizes depending on the chosen horsepower.