The HAIER R32 Non-Inverter Air Conditioner series (HSU-10LPB21 1.0HP, HSU-13LPB21 1.5HP, HSU-19LPB21 2.0HP, HSU-25LPB21 2.5HP) offers a range of cooling solutions for different room sizes. These non-inverter models utilize R32 refrigerant, which is known for its lower global warming potential compared to older refrigerants. They provide efficient and reliable cooling performance, suitable for residential or small commercial spaces. The series offers various horsepower options to match specific cooling needs.